Moves Block to frame_system instead of construct_runtime and removes Header and BlockNumber (#14437)

* Initial setup

* Adds node block

* Uses UncheckedExtrinsic and removes Where section

* Updates frame_system to use Block

* Adds deprecation warning

* Fixes pallet-timestamp

* Removes Header and BlockNumber

* Addresses review comments

* Addresses review comments

* Adds comment about compiler bug

* Removes where clause

* Refactors code

* Fixes errors in cargo check

* Fixes errors in cargo check

* Fixes warnings in cargo check

* Formatting

* Fixes construct_runtime tests

* Uses import instead of full path for BlockNumber

* Uses import instead of full path for Header

* Formatting

* Fixes construct_runtime tests

* Fixes imports in benchmarks

* Formatting

* Fixes construct_runtime tests

* Formatting

* Minor updates

* Fixes construct_runtime ui tests

* Fixes construct_runtime ui tests with 1.70

* Fixes docs

* Fixes docs

* Adds u128 mock block type

* Fixes split example

* fixes for cumulus

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

* Updates new tests

* Fixes fully-qualified path in few places

* Formatting

* Update frame/examples/default-config/src/lib.rs

Co-authored-by: Juan <juangirini@gmail.com>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Juan <juangirini@gmail.com>

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

* Addresses some review comments

* Fixes build

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

* Update frame/democracy/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/democracy/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Addresses review comments

* Updates trait bounds

* Minor fix

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

* Removes unnecessary bound

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

* Updates test

* Fixes build

* Adds a bound for header

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

* Removes where block

* Minor fix

* Minor fix

* Fixes tests

* ".git/.scripts/commands/update-ui/update-ui.sh" 1.70

* Updates test

* Update primitives/runtime/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/runtime/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Updates doc

* Updates doc

---------

Co-authored-by: command-bot <>
Co-authored-by: Juan <juangirini@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Bastian Köcher <git@kchr.de>

substrate/frame/democracy/src/migrations/v1.rs

@@ -19,6 +19,7 @@
 
 use crate::*;
 use frame_support::{pallet_prelude::*, storage_alias, traits::OnRuntimeUpgrade, BoundedVec};
+use frame_system::pallet_prelude::BlockNumberFor;
 use sp_core::H256;
 
 /// The log target.
@@ -45,11 +46,7 @@ mod v0 {
 		Pallet<T>,
 		frame_support::Twox64Concat,
 		ReferendumIndex,
-		ReferendumInfo<
-			<T as frame_system::Config>::BlockNumber,
-			<T as frame_system::Config>::Hash,
-			BalanceOf<T>,
-		>,
+		ReferendumInfo<BlockNumberFor<T>, <T as frame_system::Config>::Hash, BalanceOf<T>>,
 	>;
 }
 
@@ -87,7 +84,7 @@ pub mod v1 {
 			}
 
 			ReferendumInfoOf::<T>::translate(
-				|index, old: ReferendumInfo<T::BlockNumber, T::Hash, BalanceOf<T>>| {
+				|index, old: ReferendumInfo<BlockNumberFor<T>, T::Hash, BalanceOf<T>>| {
 					weight.saturating_accrue(T::DbWeight::get().reads_writes(1, 1));
 					log::info!(target: TARGET, "migrating referendum #{:?}", &index);
 					Some(match old {