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// This file is part of Substrate.

// Copyright (C) 2019-2021 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.

// Benchmarks for Indices Pallet

#![cfg(feature = "runtime-benchmarks")]

use super::*;
use frame_benchmarking::{account, benchmarks, impl_benchmark_test_suite, whitelisted_caller};
use frame_system::RawOrigin;
use sp_runtime::traits::Bounded;

use crate::Pallet as Indices;

const SEED: u32 = 0;

benchmarks! {
	claim {
		let account_index = T::AccountIndex::from(SEED);
		let caller: T::AccountId = whitelisted_caller();
		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
	}: _(RawOrigin::Signed(caller.clone()), account_index)
	verify {
		assert_eq!(Accounts::<T>::get(account_index).unwrap().0, caller);
	}

	transfer {
		let account_index = T::AccountIndex::from(SEED);
		// Setup accounts
		let caller: T::AccountId = whitelisted_caller();
		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
		let recipient: T::AccountId = account("recipient", 0, SEED);
		T::Currency::make_free_balance_be(&recipient, BalanceOf::<T>::max_value());
		// Claim the index
		Indices::<T>::claim(RawOrigin::Signed(caller.clone()).into(), account_index)?;
	}: _(RawOrigin::Signed(caller.clone()), recipient.clone(), account_index)
	verify {
		assert_eq!(Accounts::<T>::get(account_index).unwrap().0, recipient);
	}

	free {
		let account_index = T::AccountIndex::from(SEED);
		// Setup accounts
		let caller: T::AccountId = whitelisted_caller();
		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
		// Claim the index
		Indices::<T>::claim(RawOrigin::Signed(caller.clone()).into(), account_index)?;
	}: _(RawOrigin::Signed(caller.clone()), account_index)
	verify {
		assert_eq!(Accounts::<T>::get(account_index), None);
	}

	force_transfer {
		let account_index = T::AccountIndex::from(SEED);
		// Setup accounts
		let original: T::AccountId = account("original", 0, SEED);
		T::Currency::make_free_balance_be(&original, BalanceOf::<T>::max_value());
		let recipient: T::AccountId = account("recipient", 0, SEED);
		T::Currency::make_free_balance_be(&recipient, BalanceOf::<T>::max_value());
		// Claim the index
		Indices::<T>::claim(RawOrigin::Signed(original).into(), account_index)?;
	}: _(RawOrigin::Root, recipient.clone(), account_index, false)
	verify {
		assert_eq!(Accounts::<T>::get(account_index).unwrap().0, recipient);
	}

	freeze {
		let account_index = T::AccountIndex::from(SEED);
		// Setup accounts
		let caller: T::AccountId = whitelisted_caller();
		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
		// Claim the index
		Indices::<T>::claim(RawOrigin::Signed(caller.clone()).into(), account_index)?;
	}: _(RawOrigin::Signed(caller.clone()), account_index)
	verify {
		assert_eq!(Accounts::<T>::get(account_index).unwrap().2, true);
	}

	// TODO in another PR: lookup and unlookup trait weights (not critical)
}

impl_benchmark_test_suite!(Indices, crate::mock::new_test_ext(), crate::mock::Test);