revert paritytech/polkadot#6577 & related changes (#169)

Moves BEEFY pallets - in particular `pallet_mmr` - back behind
`pallet_session` to address #160.

See paritytech/polkadot-sdk#3108 for the equivalent Rococo change.

---------

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

CHANGELOG.md

@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Upgrade parachains runtime API from v7 to v8 in Kusama ([polkadot-fellows/runtimes#148](https://github.com/polkadot-fellows/runtimes/pull/148)). Context: https://paritytech.github.io/polkadot-sdk/book/protocol-validator-disabling.html
 - Fixed the lowering of Asset Hub existential deposits.
+- MMR leaves generated by `pallet_mmr` point to the next-authority-set of the current block instead of the prior block [polkadot-fellows/runtimes#169](https://github.com/polkadot-fellows/runtimes/pull/169)
 
 ## [1.1.1] 25.01.2024
 

relay/kusama/src/lib.rs

@@ -1527,13 +1527,6 @@ construct_runtime! {
 		Offences: pallet_offences::{Pallet, Storage, Event} = 7,
 		Historical: session_historical::{Pallet} = 34,
 
-		// BEEFY Bridges support.
-		Beefy: pallet_beefy::{Pallet, Call, Storage, Config<T>, ValidateUnsigned} = 200,
-		// MMR leaf construction must be before session in order to have leaf contents
-		// refer to block<N-1> consistently. see substrate issue #11797 for details.
-		Mmr: pallet_mmr::{Pallet, Storage} = 201,
-		BeefyMmrLeaf: pallet_beefy_mmr::{Pallet, Storage} = 202,
-
 		Session: pallet_session::{Pallet, Call, Storage, Event, Config<T>} = 8,
 		Grandpa: pallet_grandpa::{Pallet, Call, Storage, Config<T>, Event, ValidateUnsigned} = 10,
 		ImOnline: pallet_im_online::{Pallet, Call, Storage, Event<T>, ValidateUnsigned, Config<T>} = 11,
@@ -1637,6 +1630,13 @@ construct_runtime! {
 
 		// Asset rate.
 		AssetRate: pallet_asset_rate::{Pallet, Call, Storage, Event<T>} = 101,
+
+		// BEEFY Bridges support.
+		Beefy: pallet_beefy::{Pallet, Call, Storage, Config<T>, ValidateUnsigned} = 200,
+		// MMR leaf construction must be after session in order to have a leaf's next_auth_set
+		// refer to block<N>. See issue #160 for details.
+		Mmr: pallet_mmr = 201,
+		BeefyMmrLeaf: pallet_beefy_mmr = 202,
 	}
 }
 

relay/polkadot/src/lib.rs

@@ -1563,13 +1563,6 @@ construct_runtime! {
 		Offences: pallet_offences::{Pallet, Storage, Event} = 8,
 		Historical: session_historical::{Pallet} = 33,
 
-		// BEEFY Bridges support.
-		Beefy: pallet_beefy::{Pallet, Call, Storage, Config<T>, ValidateUnsigned} = 200,
-		// MMR leaf construction must be before session in order to have leaf contents
-		// refer to block<N-1> consistently. see substrate issue #11797 for details.
-		Mmr: pallet_mmr::{Pallet, Storage} = 201,
-		BeefyMmrLeaf: pallet_beefy_mmr::{Pallet, Storage} = 202,
-
 		Session: pallet_session::{Pallet, Call, Storage, Event, Config<T>} = 9,
 		Grandpa: pallet_grandpa::{Pallet, Call, Storage, Config<T>, Event, ValidateUnsigned} = 11,
 		ImOnline: pallet_im_online::{Pallet, Call, Storage, Event<T>, ValidateUnsigned, Config<T>} = 12,
@@ -1645,6 +1638,13 @@ construct_runtime! {
 
 		// Asset rate.
 		AssetRate: pallet_asset_rate::{Pallet, Call, Storage, Event<T>} = 101,
+
+		// BEEFY Bridges support.
+		Beefy: pallet_beefy::{Pallet, Call, Storage, Config<T>, ValidateUnsigned} = 200,
+		// MMR leaf construction must be after session in order to have a leaf's next_auth_set
+		// refer to block<N>. See issue #160 for details.
+		Mmr: pallet_mmr = 201,
+		BeefyMmrLeaf: pallet_beefy_mmr = 202,
 	}
 }