From 68eaee1bd4737db0edf86c1dd46e44d5fa1c29d6 Mon Sep 17 00:00:00 2001
From: Svyatoslav Nikolsky <svyatonik@gmail.com>
Date: Thu, 12 Aug 2021 16:59:20 +0300
Subject: [PATCH] migrate pallet-shift-session-manager to frame v2 (#1090)

---
 .../modules/shift-session-manager/src/lib.rs  | 35 ++++++++++++-------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/bridges/modules/shift-session-manager/src/lib.rs b/bridges/modules/shift-session-manager/src/lib.rs
index 0d867657af..eef336ffd8 100644
--- a/bridges/modules/shift-session-manager/src/lib.rs
+++ b/bridges/modules/shift-session-manager/src/lib.rs
@@ -19,22 +19,33 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use frame_support::{decl_module, decl_storage};
 use sp_std::prelude::*;
 
-/// The module configuration trait.
-pub trait Config: pallet_session::Config {}
+pub use pallet::*;
 
-decl_module! {
-	/// Shift session manager pallet.
-	pub struct Module<T: Config> for enum Call where origin: T::Origin {}
-}
+#[frame_support::pallet]
+pub mod pallet {
+	use super::*;
+	use frame_support::pallet_prelude::*;
+	use frame_system::pallet_prelude::*;
 
-decl_storage! {
-	trait Store for Pallet<T: Config> as ShiftSessionManager {
-		/// Validators of first two sessions.
-		InitialValidators: Option<Vec<T::ValidatorId>>;
-	}
+	#[pallet::config]
+	#[pallet::disable_frame_system_supertrait_check]
+	pub trait Config: pallet_session::Config {}
+
+	#[pallet::pallet]
+	#[pallet::generate_store(pub(super) trait Store)]
+	pub struct Pallet<T>(PhantomData<T>);
+
+	#[pallet::hooks]
+	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
+
+	#[pallet::call]
+	impl<T: Config> Pallet<T> {}
+
+	/// Validators of first two sessions.
+	#[pallet::storage]
+	pub(super) type InitialValidators<T: Config> = StorageValue<_, Vec<T::ValidatorId>>;
 }
 
 impl<T: Config> pallet_session::SessionManager<T::ValidatorId> for Pallet<T> {