Recovery Pallet benchmarking (#11176)

* Created benchmarks * Added recovery benchmarks * benchmark for `create_recovery` * benchmark for `initiate_recovery` * benchmark for `vouch_recovery` * benchmark for `claim_recovery` * benchmark for `close_recovery` * benchmark for `remove_recovery` * benchmark for `cancel_recovered` * benchmark for `as_recovered` * Some refactoring * Some refactoring * Fix create_recovery benchmark * fix close_recovery benchmark test * fixed issues with failing tests * Update frame/recovery/src/benchmarking.rs Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * removed repetitive code * create weights file * Used weights to annotate extrinsics * Added WeightInfo implementation to mock * Beauty fixes Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Update frame/recovery/src/benchmarking.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update frame/recovery/src/benchmarking.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Set vec to be mut * set delay_period to use non-zero amount * set delay default * Add weights Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
2026-04-28 01:38:04 +00:00 · 2022-04-26 12:57:55 +01:00
parent 9cdde52cac
commit 8a9961b48e
9 changed files with 626 additions and 100 deletions
@@ -0,0 +1,371 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#![cfg(feature = "runtime-benchmarks")]
+
+use super::*;
+
+use crate::Pallet;
+use frame_benchmarking::{account, benchmarks, whitelisted_caller};
+use frame_support::traits::{Currency, Get};
+use frame_system::RawOrigin;
+use sp_runtime::traits::Bounded;
+
+const SEED: u32 = 0;
+const DEFAULT_DELAY: u32 = 0;
+
+fn assert_last_event<T: Config>(generic_event: <T as Config>::Event) {
+	frame_system::Pallet::<T>::assert_last_event(generic_event.into());
+}
+
+fn get_total_deposit<T: Config>(
+	bounded_friends: &FriendsOf<T>,
+) -> Option<<<T as Config>::Currency as Currency<<T as frame_system::Config>::AccountId>>::Balance>
+{
+	let friend_deposit = T::FriendDepositFactor::get()
+		.checked_mul(&bounded_friends.len().saturated_into())
+		.unwrap();
+
+	T::ConfigDepositBase::get().checked_add(&friend_deposit)
+}
+
+fn generate_friends<T: Config>(num: u32) -> Vec<<T as frame_system::Config>::AccountId> {
+	// Create friends
+	let mut friends = (0..num).map(|x| account("friend", x, SEED)).collect::<Vec<_>>();
+	// Sort
+	friends.sort();
+
+	for friend in 0..friends.len() {
+		// Top up accounts of friends
+		T::Currency::make_free_balance_be(
+			&friends.get(friend).unwrap(),
+			BalanceOf::<T>::max_value(),
+		);
+	}
+
+	friends
+}
+
+fn add_caller_and_generate_friends<T: Config>(
+	caller: T::AccountId,
+	num: u32,
+) -> Vec<<T as frame_system::Config>::AccountId> {
+	// Create friends
+	let mut friends = generate_friends::<T>(num - 1);
+
+	T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
+
+	friends.push(caller);
+
+	// Sort
+	friends.sort();
+
+	friends
+}
+
+fn insert_recovery_account<T: Config>(caller: &T::AccountId, account: &T::AccountId) {
+	T::Currency::make_free_balance_be(&account, BalanceOf::<T>::max_value());
+
+	let n = T::MaxFriends::get();
+
+	let friends = generate_friends::<T>(n);
+
+	let bounded_friends: FriendsOf<T> = friends.try_into().unwrap();
+
+	// Get deposit for recovery
+	let total_deposit = get_total_deposit::<T>(&bounded_friends).unwrap();
+
+	let recovery_config = RecoveryConfig {
+		delay_period: DEFAULT_DELAY.into(),
+		deposit: total_deposit,
+		friends: bounded_friends,
+		threshold: n as u16,
+	};
+
+	// Reserve deposit for recovery
+	T::Currency::reserve(&caller, total_deposit).unwrap();
+
+	<Recoverable<T>>::insert(&account, recovery_config);
+}
+
+benchmarks! {
+	as_recovered {
+		let caller: T::AccountId = whitelisted_caller();
+		let recovered_account: T::AccountId = account("recovered_account", 0, SEED);
+		let call: <T as Config>::Call = frame_system::Call::<T>::remark { remark: vec![] }.into();
+
+		Proxy::<T>::insert(&caller, &recovered_account);
+	}: _(
+		RawOrigin::Signed(caller),
+		recovered_account,
+		Box::new(call)
+	)
+
+	set_recovered {
+		let lost: T::AccountId = whitelisted_caller();
+		let rescuer: T::AccountId = whitelisted_caller();
+	}: _(
+		RawOrigin::Root,
+		lost.clone(),
+		rescuer.clone()
+	) verify {
+		assert_last_event::<T>(
+			Event::AccountRecovered {
+				lost_account: lost,
+				rescuer_account: rescuer,
+			}.into()
+		);
+	}
+
+	create_recovery {
+		let n in 1 .. T::MaxFriends::get();
+
+		let caller: T::AccountId = whitelisted_caller();
+		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
+
+		// Create friends
+		let friends = generate_friends::<T>(n);
+	}: _(
+		RawOrigin::Signed(caller.clone()),
+		friends,
+		n as u16,
+		DEFAULT_DELAY.into()
+	) verify {
+		assert_last_event::<T>(Event::RecoveryCreated { account: caller }.into());
+	}
+
+	initiate_recovery {
+		let caller: T::AccountId = whitelisted_caller();
+		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
+
+		let lost_account: T::AccountId = account("lost_account", 0, SEED);
+
+		insert_recovery_account::<T>(&caller, &lost_account);
+	}: _(
+		RawOrigin::Signed(caller.clone()),
+		lost_account.clone()
+	) verify {
+		assert_last_event::<T>(
+			Event::RecoveryInitiated {
+				lost_account: lost_account,
+				rescuer_account: caller,
+			}.into()
+		);
+	}
+
+	vouch_recovery {
+		let n in 1 .. T::MaxFriends::get();
+
+		let caller: T::AccountId = whitelisted_caller();
+		let lost_account: T::AccountId = account("lost_account", 0, SEED);
+		let rescuer_account: T::AccountId = account("rescuer_account", 0, SEED);
+
+		// Create friends
+		let friends = add_caller_and_generate_friends::<T>(caller.clone(), n);
+		let bounded_friends: FriendsOf<T> = friends.try_into().unwrap();
+
+		// Get deposit for recovery
+		let total_deposit = get_total_deposit::<T>(&bounded_friends).unwrap();
+
+		let recovery_config = RecoveryConfig {
+			delay_period: DEFAULT_DELAY.into(),
+			deposit: total_deposit.clone(),
+			friends: bounded_friends.clone(),
+			threshold: n as u16,
+		};
+
+		// Create the recovery config storage item
+		<Recoverable<T>>::insert(&lost_account, recovery_config.clone());
+
+		// Reserve deposit for recovery
+		T::Currency::reserve(&caller, total_deposit).unwrap();
+
+		// Create an active recovery status
+		let recovery_status = ActiveRecovery {
+			created: DEFAULT_DELAY.into(),
+			deposit: total_deposit,
+			friends: generate_friends::<T>(n - 1).try_into().unwrap(),
+		};
+
+		// Create the active recovery storage item
+		<ActiveRecoveries<T>>::insert(&lost_account, &rescuer_account, recovery_status);
+
+	}: _(
+		RawOrigin::Signed(caller.clone()),
+		lost_account.clone(),
+		rescuer_account.clone()
+	) verify {
+		assert_last_event::<T>(
+			Event::RecoveryVouched {
+				lost_account: lost_account,
+				rescuer_account: rescuer_account,
+				sender: caller,
+			}.into()
+		);
+	}
+
+	claim_recovery {
+		let n in 1 .. T::MaxFriends::get();
+
+		let caller: T::AccountId = whitelisted_caller();
+		let lost_account: T::AccountId = account("lost_account", 0, SEED);
+
+		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
+
+		// Create friends
+		let friends = generate_friends::<T>(n);
+		let bounded_friends: FriendsOf<T> = friends.try_into().unwrap();
+
+		// Get deposit for recovery
+		let total_deposit = get_total_deposit::<T>(&bounded_friends).unwrap();
+
+		let recovery_config = RecoveryConfig {
+			delay_period: 0u32.into(),
+			deposit: total_deposit.clone(),
+			friends: bounded_friends.clone(),
+			threshold: n as u16,
+		};
+
+		// Create the recovery config storage item
+		<Recoverable<T>>::insert(&lost_account, recovery_config.clone());
+
+		// Reserve deposit for recovery
+		T::Currency::reserve(&caller, total_deposit).unwrap();
+
+		// Create an active recovery status
+		let recovery_status = ActiveRecovery {
+			created: 0u32.into(),
+			deposit: total_deposit,
+			friends: bounded_friends.clone(),
+		};
+
+		// Create the active recovery storage item
+		<ActiveRecoveries<T>>::insert(&lost_account, &caller, recovery_status);
+	}: _(
+		RawOrigin::Signed(caller.clone()),
+		lost_account.clone()
+	) verify {
+		assert_last_event::<T>(
+			Event::AccountRecovered {
+				lost_account: lost_account,
+				rescuer_account: caller,
+			}.into()
+		);
+	}
+
+	close_recovery {
+		let caller: T::AccountId = whitelisted_caller();
+		let rescuer_account: T::AccountId = account("rescuer_account", 0, SEED);
+
+		let n in 1 .. T::MaxFriends::get();
+
+		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
+		T::Currency::make_free_balance_be(&rescuer_account, BalanceOf::<T>::max_value());
+
+		// Create friends
+		let friends = generate_friends::<T>(n);
+		let bounded_friends: FriendsOf<T> = friends.try_into().unwrap();
+
+		// Get deposit for recovery
+		let total_deposit = get_total_deposit::<T>(&bounded_friends).unwrap();
+
+		let recovery_config = RecoveryConfig {
+			delay_period: DEFAULT_DELAY.into(),
+			deposit: total_deposit.clone(),
+			friends: bounded_friends.clone(),
+			threshold: n as u16,
+		};
+
+		// Create the recovery config storage item
+		<Recoverable<T>>::insert(&caller, recovery_config.clone());
+
+		// Reserve deposit for recovery
+		T::Currency::reserve(&caller, total_deposit).unwrap();
+
+		// Create an active recovery status
+		let recovery_status = ActiveRecovery {
+			created: DEFAULT_DELAY.into(),
+			deposit: total_deposit,
+			friends: bounded_friends.clone(),
+		};
+
+		// Create the active recovery storage item
+		<ActiveRecoveries<T>>::insert(&caller, &rescuer_account, recovery_status);
+	}: _(
+		RawOrigin::Signed(caller.clone()),
+		rescuer_account.clone()
+	) verify {
+		assert_last_event::<T>(
+			Event::RecoveryClosed {
+				lost_account: caller,
+				rescuer_account: rescuer_account,
+			}.into()
+		);
+	}
+
+	remove_recovery {
+		let n in 1 .. T::MaxFriends::get();
+
+		let caller: T::AccountId = whitelisted_caller();
+
+		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
+
+		// Create friends
+		let friends = generate_friends::<T>(n);
+		let bounded_friends: FriendsOf<T> = friends.try_into().unwrap();
+
+		// Get deposit for recovery
+		let total_deposit = get_total_deposit::<T>(&bounded_friends).unwrap();
+
+		let recovery_config = RecoveryConfig {
+			delay_period: DEFAULT_DELAY.into(),
+			deposit: total_deposit.clone(),
+			friends: bounded_friends.clone(),
+			threshold: n as u16,
+		};
+
+		// Create the recovery config storage item
+		<Recoverable<T>>::insert(&caller, recovery_config);
+
+		// Reserve deposit for recovery
+		T::Currency::reserve(&caller, total_deposit).unwrap();
+	}: _(
+		RawOrigin::Signed(caller.clone())
+	) verify {
+		assert_last_event::<T>(
+			Event::RecoveryRemoved {
+				lost_account: caller
+			}.into()
+		);
+	}
+
+	cancel_recovered {
+		let caller: T::AccountId = whitelisted_caller();
+		let account: T::AccountId = account("account", 0, SEED);
+
+		frame_system::Pallet::<T>::inc_providers(&caller);
+
+		frame_system::Pallet::<T>::inc_consumers(&caller)?;
+
+		Proxy::<T>::insert(&caller, &account);
+	}: _(
+		RawOrigin::Signed(caller),
+		account
+	)
+
+	impl_benchmark_test_suite!(Pallet, crate::mock::new_test_ext(), crate::mock::Test);
+}
@@ -167,11 +167,16 @@ use frame_support::{
 };

 pub use pallet::*;
+pub use weights::WeightInfo;
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;

 #[cfg(test)]
 mod mock;
 #[cfg(test)]
 mod tests;
+pub mod weights;

 type BalanceOf<T> =
 	<<T as Config>::Currency as Currency<<T as frame_system::Config>::AccountId>>::Balance;
@@ -222,10 +227,14 @@ pub mod pallet {
 		/// The overarching event type.
 		type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;

+		/// Weight information for extrinsics in this pallet.
+		type WeightInfo: WeightInfo;
+
 		/// The overarching call type.
 		type Call: Parameter
 			+ Dispatchable<Origin = Self::Origin, PostInfo = PostDispatchInfo>
-			+ GetDispatchInfo;
+			+ GetDispatchInfo
+			+ From<frame_system::Call<Self>>;

 		/// The currency mechanism.
 		type Currency: ReservableCurrency<Self::AccountId>;
@@ -365,21 +374,12 @@ pub mod pallet {
 		/// Parameters:
 		/// - `account`: The recovered account you want to make a call on-behalf-of.
 		/// - `call`: The call you want to make with the recovered account.
-		///
-		/// # <weight>
-		/// - The weight of the `call` + 10,000.
-		/// - One storage lookup to check account is recovered by `who`. O(1)
-		/// # </weight>
 		#[pallet::weight({
 			let dispatch_info = call.get_dispatch_info();
 			(
-				dispatch_info.weight
-					.saturating_add(10_000)
-					// AccountData for inner call origin accountdata.
-					.saturating_add(T::DbWeight::get().reads_writes(1, 1)),
+				T::WeightInfo::as_recovered().saturating_add(dispatch_info.weight),
 				dispatch_info.class,
-			)
-		})]
+			)})]
 		pub fn as_recovered(
 			origin: OriginFor<T>,
 			account: T::AccountId,
@@ -402,12 +402,7 @@ pub mod pallet {
 		/// Parameters:
 		/// - `lost`: The "lost account" to be recovered.
 		/// - `rescuer`: The "rescuer account" which can call as the lost account.
-		///
-		/// # <weight>
-		/// - One storage write O(1)
-		/// - One event
-		/// # </weight>
-		#[pallet::weight(30_000_000)]
+		#[pallet::weight(T::WeightInfo::set_recovered())]
 		pub fn set_recovered(
 			origin: OriginFor<T>,
 			lost: T::AccountId,
@@ -439,18 +434,7 @@ pub mod pallet {
 		///   friends.
 		/// - `delay_period`: The number of blocks after a recovery attempt is initialized that
 		///   needs to pass before the account can be recovered.
-		///
-		/// # <weight>
-		/// - Key: F (len of friends)
-		/// - One storage read to check that account is not already recoverable. O(1).
-		/// - A check that the friends list is sorted and unique. O(F)
-		/// - One currency reserve operation. O(X)
-		/// - One storage write. O(1). Codec O(F).
-		/// - One event.
-		///
-		/// Total Complexity: O(F + X)
-		/// # </weight>
-		#[pallet::weight(100_000_000)]
+		#[pallet::weight(T::WeightInfo::create_recovery(friends.len() as u32))]
 		pub fn create_recovery(
 			origin: OriginFor<T>,
 			friends: Vec<T::AccountId>,
@@ -501,18 +485,7 @@ pub mod pallet {
 		/// Parameters:
 		/// - `account`: The lost account that you want to recover. This account needs to be
 		///   recoverable (i.e. have a recovery configuration).
-		///
-		/// # <weight>
-		/// - One storage read to check that account is recoverable. O(F)
-		/// - One storage read to check that this recovery process hasn't already started. O(1)
-		/// - One currency reserve operation. O(X)
-		/// - One storage read to get the current block number. O(1)
-		/// - One storage write. O(1).
-		/// - One event.
-		///
-		/// Total Complexity: O(F + X)
-		/// # </weight>
-		#[pallet::weight(100_000_000)]
+		#[pallet::weight(T::WeightInfo::initiate_recovery())]
 		pub fn initiate_recovery(origin: OriginFor<T>, account: T::AccountId) -> DispatchResult {
 			let who = ensure_signed(origin)?;
 			// Check that the account is recoverable
@@ -552,19 +525,7 @@ pub mod pallet {
 		///
 		/// The combination of these two parameters must point to an active recovery
 		/// process.
-		///
-		/// # <weight>
-		/// Key: F (len of friends in config), V (len of vouching friends)
-		/// - One storage read to get the recovery configuration. O(1), Codec O(F)
-		/// - One storage read to get the active recovery process. O(1), Codec O(V)
-		/// - One binary search to confirm caller is a friend. O(logF)
-		/// - One binary search to confirm caller has not already vouched. O(logV)
-		/// - One storage write. O(1), Codec O(V).
-		/// - One event.
-		///
-		/// Total Complexity: O(F + logF + V + logV)
-		/// # </weight>
-		#[pallet::weight(100_000_000)]
+		#[pallet::weight(T::WeightInfo::vouch_recovery(T::MaxFriends::get()))]
 		pub fn vouch_recovery(
 			origin: OriginFor<T>,
 			lost: T::AccountId,
@@ -605,18 +566,7 @@ pub mod pallet {
 		/// Parameters:
 		/// - `account`: The lost account that you want to claim has been successfully recovered by
 		///   you.
-		///
-		/// # <weight>
-		/// Key: F (len of friends in config), V (len of vouching friends)
-		/// - One storage read to get the recovery configuration. O(1), Codec O(F)
-		/// - One storage read to get the active recovery process. O(1), Codec O(V)
-		/// - One storage read to get the current block number. O(1)
-		/// - One storage write. O(1), Codec O(V).
-		/// - One event.
-		///
-		/// Total Complexity: O(F + V)
-		/// # </weight>
-		#[pallet::weight(100_000_000)]
+		#[pallet::weight(T::WeightInfo::claim_recovery(T::MaxFriends::get()))]
 		pub fn claim_recovery(origin: OriginFor<T>, account: T::AccountId) -> DispatchResult {
 			let who = ensure_signed(origin)?;
 			// Get the recovery configuration for the lost account
@@ -659,16 +609,7 @@ pub mod pallet {
 		///
 		/// Parameters:
 		/// - `rescuer`: The account trying to rescue this recoverable account.
-		///
-		/// # <weight>
-		/// Key: V (len of vouching friends)
-		/// - One storage read/remove to get the active recovery process. O(1), Codec O(V)
-		/// - One balance call to repatriate reserved. O(X)
-		/// - One event.
-		///
-		/// Total Complexity: O(V + X)
-		/// # </weight>
-		#[pallet::weight(30_000_000)]
+		#[pallet::weight(T::WeightInfo::close_recovery(T::MaxFriends::get()))]
 		pub fn close_recovery(origin: OriginFor<T>, rescuer: T::AccountId) -> DispatchResult {
 			let who = ensure_signed(origin)?;
 			// Take the active recovery process started by the rescuer for this account.
@@ -701,17 +642,7 @@ pub mod pallet {
 		///
 		/// The dispatch origin for this call must be _Signed_ and must be a
 		/// recoverable account (i.e. has a recovery configuration).
-		///
-		/// # <weight>
-		/// Key: F (len of friends)
-		/// - One storage read to get the prefix iterator for active recoveries. O(1)
-		/// - One storage read/remove to get the recovery configuration. O(1), Codec O(F)
-		/// - One balance call to unreserved. O(X)
-		/// - One event.
-		///
-		/// Total Complexity: O(F + X)
-		/// # </weight>
-		#[pallet::weight(30_000_000)]
+		#[pallet::weight(T::WeightInfo::remove_recovery(T::MaxFriends::get()))]
 		pub fn remove_recovery(origin: OriginFor<T>) -> DispatchResult {
 			let who = ensure_signed(origin)?;
 			// Check there are no active recoveries
@@ -733,16 +664,13 @@ pub mod pallet {
 		///
 		/// Parameters:
 		/// - `account`: The recovered account you are able to call on-behalf-of.
-		///
-		/// # <weight>
-		/// - One storage mutation to check account is recovered by `who`. O(1)
-		/// # </weight>
-		#[pallet::weight(30_000_000)]
+		#[pallet::weight(T::WeightInfo::cancel_recovered())]
 		pub fn cancel_recovered(origin: OriginFor<T>, account: T::AccountId) -> DispatchResult {
 			let who = ensure_signed(origin)?;
 			// Check `who` is allowed to make a call on behalf of `account`
 			ensure!(Self::proxy(&who) == Some(account), Error::<T>::NotAllowed);
 			Proxy::<T>::remove(&who);
+
 			frame_system::Pallet::<T>::dec_consumers(&who);
 			Ok(())
 		}
@@ -97,15 +97,18 @@ parameter_types! {
 	pub const ConfigDepositBase: u64 = 10;
 	pub const FriendDepositFactor: u64 = 1;
 	pub const RecoveryDeposit: u64 = 10;
+	// Large number of friends for benchmarking.
+	pub const MaxFriends: u32 = 128;
 }

 impl Config for Test {
 	type Event = Event;
+	type WeightInfo = ();
 	type Call = Call;
 	type Currency = Balances;
 	type ConfigDepositBase = ConfigDepositBase;
 	type FriendDepositFactor = FriendDepositFactor;
-	type MaxFriends = ConstU32<3>;
+	type MaxFriends = MaxFriends;
 	type RecoveryDeposit = RecoveryDeposit;
 }

@@ -20,7 +20,8 @@
 use super::*;
 use frame_support::{assert_noop, assert_ok, bounded_vec, traits::Currency};
 use mock::{
-	new_test_ext, run_to_block, Balances, BalancesCall, Call, Origin, Recovery, RecoveryCall, Test,
+	new_test_ext, run_to_block, Balances, BalancesCall, Call, MaxFriends, Origin, Recovery,
+	RecoveryCall, Test,
 };
 use sp_runtime::traits::BadOrigin;

@@ -112,10 +113,13 @@ fn malicious_recovery_fails() {
 		// Using account 1, the malicious user begins the recovery process on account 5
 		assert_ok!(Recovery::initiate_recovery(Origin::signed(1), 5));
 		// Off chain, the user **tricks** their friends and asks them to vouch for the recovery
-		assert_ok!(Recovery::vouch_recovery(Origin::signed(2), 5, 1)); // shame on you
-		assert_ok!(Recovery::vouch_recovery(Origin::signed(3), 5, 1)); // shame on you
-		assert_ok!(Recovery::vouch_recovery(Origin::signed(4), 5, 1)); // shame on you
-															   // We met the threshold, lets try to recover the account...?
+		assert_ok!(Recovery::vouch_recovery(Origin::signed(2), 5, 1));
+		// shame on you
+		assert_ok!(Recovery::vouch_recovery(Origin::signed(3), 5, 1));
+		// shame on you
+		assert_ok!(Recovery::vouch_recovery(Origin::signed(4), 5, 1));
+		// shame on you
+		// We met the threshold, lets try to recover the account...?
 		assert_noop!(Recovery::claim_recovery(Origin::signed(1), 5), Error::<Test>::DelayPeriod);
 		// Account 1 needs to wait...
 		run_to_block(19);
@@ -162,7 +166,12 @@ fn create_recovery_handles_basic_errors() {
 		);
 		// Too many friends
 		assert_noop!(
-			Recovery::create_recovery(Origin::signed(5), vec![1, 2, 3, 4], 4, 0),
+			Recovery::create_recovery(
+				Origin::signed(5),
+				vec![1; (MaxFriends::get() + 1) as usize],
+				1,
+				0
+			),
 			Error::<Test>::MaxFriends
 		);
 		// Unsorted friends
@@ -0,0 +1,203 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Autogenerated weights for pallet_recovery
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
+//! DATE: 2022-04-26, STEPS: `50`, REPEAT: 20, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: Some("dev"), DB CACHE: 1024
+
+// Executed Command:
+// target/production/substrate
+// benchmark
+// pallet
+// --chain=dev
+// --steps=50
+// --repeat=20
+// --pallet=pallet-recovery
+// --extrinsic=*
+// --execution=wasm
+// --wasm-execution=compiled
+// --heap-pages=4096
+// --output=./frame/recovery/src/weights.rs
+// --template=.maintain/frame-weight-template.hbs
+// --header=HEADER-APACHE2
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for pallet_recovery.
+pub trait WeightInfo {
+	fn as_recovered() -> Weight;
+	fn set_recovered() -> Weight;
+	fn create_recovery(n: u32, ) -> Weight;
+	fn initiate_recovery() -> Weight;
+	fn vouch_recovery(n: u32, ) -> Weight;
+	fn claim_recovery(n: u32, ) -> Weight;
+	fn close_recovery(n: u32, ) -> Weight;
+	fn remove_recovery(n: u32, ) -> Weight;
+	fn cancel_recovered() -> Weight;
+}
+
+/// Weights for pallet_recovery using the Substrate node and recommended hardware.
+pub struct SubstrateWeight<T>(PhantomData<T>);
+impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
+	// Storage: Recovery Proxy (r:1 w:0)
+	fn as_recovered() -> Weight {
+		(3_667_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+	}
+	// Storage: Recovery Proxy (r:0 w:1)
+	fn set_recovered() -> Weight {
+		(10_149_000 as Weight)
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:1)
+	fn create_recovery(n: u32, ) -> Weight {
+		(23_154_000 as Weight)
+			// Standard Error: 16_000
+			.saturating_add((235_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:0)
+	// Storage: Recovery ActiveRecoveries (r:1 w:1)
+	fn initiate_recovery() -> Weight {
+		(28_857_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(2 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:0)
+	// Storage: Recovery ActiveRecoveries (r:1 w:1)
+	fn vouch_recovery(n: u32, ) -> Weight {
+		(17_841_000 as Weight)
+			// Standard Error: 10_000
+			.saturating_add((349_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(T::DbWeight::get().reads(2 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:0)
+	// Storage: Recovery ActiveRecoveries (r:1 w:0)
+	// Storage: Recovery Proxy (r:1 w:1)
+	fn claim_recovery(n: u32, ) -> Weight {
+		(24_927_000 as Weight)
+			// Standard Error: 14_000
+			.saturating_add((222_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(T::DbWeight::get().reads(3 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery ActiveRecoveries (r:1 w:1)
+	// Storage: System Account (r:1 w:1)
+	fn close_recovery(n: u32, ) -> Weight {
+		(28_201_000 as Weight)
+			// Standard Error: 17_000
+			.saturating_add((272_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(T::DbWeight::get().reads(2 as Weight))
+			.saturating_add(T::DbWeight::get().writes(2 as Weight))
+	}
+	// Storage: Recovery ActiveRecoveries (r:1 w:0)
+	// Storage: Recovery Recoverable (r:1 w:1)
+	fn remove_recovery(n: u32, ) -> Weight {
+		(27_531_000 as Weight)
+			// Standard Error: 10_000
+			.saturating_add((218_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(T::DbWeight::get().reads(2 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Proxy (r:1 w:1)
+	fn cancel_recovered() -> Weight {
+		(9_015_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+	// Storage: Recovery Proxy (r:1 w:0)
+	fn as_recovered() -> Weight {
+		(3_667_000 as Weight)
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+	}
+	// Storage: Recovery Proxy (r:0 w:1)
+	fn set_recovered() -> Weight {
+		(10_149_000 as Weight)
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:1)
+	fn create_recovery(n: u32, ) -> Weight {
+		(23_154_000 as Weight)
+			// Standard Error: 16_000
+			.saturating_add((235_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:0)
+	// Storage: Recovery ActiveRecoveries (r:1 w:1)
+	fn initiate_recovery() -> Weight {
+		(28_857_000 as Weight)
+			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:0)
+	// Storage: Recovery ActiveRecoveries (r:1 w:1)
+	fn vouch_recovery(n: u32, ) -> Weight {
+		(17_841_000 as Weight)
+			// Standard Error: 10_000
+			.saturating_add((349_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Recoverable (r:1 w:0)
+	// Storage: Recovery ActiveRecoveries (r:1 w:0)
+	// Storage: Recovery Proxy (r:1 w:1)
+	fn claim_recovery(n: u32, ) -> Weight {
+		(24_927_000 as Weight)
+			// Standard Error: 14_000
+			.saturating_add((222_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery ActiveRecoveries (r:1 w:1)
+	// Storage: System Account (r:1 w:1)
+	fn close_recovery(n: u32, ) -> Weight {
+		(28_201_000 as Weight)
+			// Standard Error: 17_000
+			.saturating_add((272_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
+	}
+	// Storage: Recovery ActiveRecoveries (r:1 w:0)
+	// Storage: Recovery Recoverable (r:1 w:1)
+	fn remove_recovery(n: u32, ) -> Weight {
+		(27_531_000 as Weight)
+			// Standard Error: 10_000
+			.saturating_add((218_000 as Weight).saturating_mul(n as Weight))
+			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Recovery Proxy (r:1 w:1)
+	fn cancel_recovered() -> Weight {
+		(9_015_000 as Weight)
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+}