Remove pallet::getter usage from proxy (#4963)

ISSUE
Link to the issue:
#3326

Deliverables

[Deprecation] remove pallet::getter usage from pallet-proxy

---------

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

prdoc/pr_4963.prdoc

@@ -0,0 +1,14 @@
+# Schema: Polkadot SDK PRDoc Schema (prdoc) v1.0.0
+# See doc at https://raw.githubusercontent.com/paritytech/polkadot-sdk/master/prdoc/schema_user.json
+
+title: Removed `pallet::getter` usage from the pallet-proxy
+
+doc:
+  - audience: Runtime Dev
+    description: |
+      This PR removed `pallet::getter`s from `pallet-proxy`s storage items.
+      When accessed inside the pallet, use the syntax `StorageItem::<T>::get()`.
+
+crates:
+  - name: pallet-proxy
+    bump: minor

substrate/frame/proxy/src/lib.rs

@@ -41,6 +41,7 @@ use frame_support::{
 	dispatch::GetDispatchInfo,
 	ensure,
 	traits::{Currency, Get, InstanceFilter, IsSubType, IsType, OriginTrait, ReservableCurrency},
+	BoundedVec,
 };
 use frame_system::{self as system, ensure_signed, pallet_prelude::BlockNumberFor};
 pub use pallet::*;
@@ -570,7 +571,6 @@ pub mod pallet {
 	/// The set of account proxies. Maps the account which has delegated to the accounts
 	/// which are being delegated to, together with the amount held on deposit.
 	#[pallet::storage]
-	#[pallet::getter(fn proxies)]
 	pub type Proxies<T: Config> = StorageMap<
 		_,
 		Twox64Concat,
@@ -587,7 +587,6 @@ pub mod pallet {
 
 	/// The announcements made by the proxy (key).
 	#[pallet::storage]
-	#[pallet::getter(fn announcements)]
 	pub type Announcements<T: Config> = StorageMap<
 		_,
 		Twox64Concat,
@@ -601,6 +600,26 @@ pub mod pallet {
 }
 
 impl<T: Config> Pallet<T> {
+	/// Public function to proxies storage.
+	pub fn proxies(
+		account: T::AccountId,
+	) -> (
+		BoundedVec<ProxyDefinition<T::AccountId, T::ProxyType, BlockNumberFor<T>>, T::MaxProxies>,
+		BalanceOf<T>,
+	) {
+		Proxies::<T>::get(account)
+	}
+
+	/// Public function to announcements storage.
+	pub fn announcements(
+		account: T::AccountId,
+	) -> (
+		BoundedVec<Announcement<T::AccountId, CallHashOf<T>, BlockNumberFor<T>>, T::MaxPending>,
+		BalanceOf<T>,
+	) {
+		Announcements::<T>::get(account)
+	}
+
 	/// Calculate the address of an pure account.
 	///
 	/// - `who`: The spawner account.