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// This file is part of Substrate.
// Copyright (C) Parity Technologies (UK) Ltd.
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// 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.
//! Tests.
#![cfg(test)]
use crate::{self as pallet_balances, AccountData, Config, CreditOf, Error, Pallet};
use codec::{Decode, Encode, MaxEncodedLen};
use frame_support::{
assert_err, assert_noop, assert_ok, assert_storage_noop, derive_impl,
dispatch::{DispatchInfo, GetDispatchInfo},
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parameter_types,
traits::{
fungible, ConstU32, ConstU64, ConstU8, Imbalance as ImbalanceT, OnUnbalanced,
StorageMapShim, StoredMap, VariantCount, WhitelistedStorageKeys,
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},
weights::{IdentityFee, Weight},
};
use frame_system::{self as system, RawOrigin};
use pallet_transaction_payment::{ChargeTransactionPayment, CurrencyAdapter, Multiplier};
use scale_info::TypeInfo;
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use sp_core::{hexdisplay::HexDisplay, H256};
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use sp_io;
use sp_runtime::{
traits::{BadOrigin, IdentityLookup, SignedExtension, Zero},
ArithmeticError, BuildStorage, DispatchError, DispatchResult, FixedPointNumber, RuntimeDebug,
TokenError,
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};
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use std::collections::BTreeSet;
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mod currency_tests;
mod dispatchable_tests;
mod fungible_conformance_tests;
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mod fungible_tests;
mod reentrancy_tests;
type Block = frame_system::mocking::MockBlock<Test>;
#[derive(
Encode,
Decode,
Copy,
Clone,
Eq,
PartialEq,
Ord,
PartialOrd,
MaxEncodedLen,
TypeInfo,
RuntimeDebug,
)]
pub enum TestId {
Foo,
Bar,
Baz,
}
impl VariantCount for TestId {
const VARIANT_COUNT: u32 = 3;
}
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frame_support::construct_runtime!(
pub enum Test {
System: frame_system,
Balances: pallet_balances,
TransactionPayment: pallet_transaction_payment,
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}
);
parameter_types! {
pub BlockWeights: frame_system::limits::BlockWeights =
frame_system::limits::BlockWeights::simple_max(
frame_support::weights::Weight::from_parts(1024, u64::MAX),
);
pub static ExistentialDeposit: u64 = 1;
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}
#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
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impl frame_system::Config for Test {
type BaseCallFilter = frame_support::traits::Everything;
type BlockWeights = BlockWeights;
type BlockLength = ();
type DbWeight = ();
type RuntimeOrigin = RuntimeOrigin;
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type RuntimeCall = RuntimeCall;
type Hash = H256;
type Hashing = ::sp_runtime::traits::BlakeTwo256;
type AccountId = u64;
type Lookup = IdentityLookup<Self::AccountId>;
type Block = Block;
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type RuntimeEvent = RuntimeEvent;
type BlockHashCount = ConstU64<250>;
type Version = ();
type PalletInfo = PalletInfo;
type AccountData = super::AccountData<u64>;
type OnNewAccount = ();
type OnKilledAccount = ();
type SystemWeightInfo = ();
type SS58Prefix = ();
type OnSetCode = ();
type MaxConsumers = frame_support::traits::ConstU32<16>;
}
impl pallet_transaction_payment::Config for Test {
type RuntimeEvent = RuntimeEvent;
type OnChargeTransaction = CurrencyAdapter<Pallet<Test>, ()>;
type OperationalFeeMultiplier = ConstU8<5>;
type WeightToFee = IdentityFee<u64>;
type LengthToFee = IdentityFee<u64>;
type FeeMultiplierUpdate = ();
}
pub(crate) type Balance = u64;
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impl Config for Test {
type Balance = Balance;
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type DustRemoval = DustTrap;
type RuntimeEvent = RuntimeEvent;
type ExistentialDeposit = ExistentialDeposit;
type AccountStore = TestAccountStore;
type MaxLocks = ConstU32<50>;
type MaxReserves = ConstU32<2>;
type ReserveIdentifier = TestId;
type WeightInfo = ();
type RuntimeFreezeReason = RuntimeFreezeReason;
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type FreezeIdentifier = TestId;
type MaxFreezes = ConstU32<2>;
}
#[derive(Clone)]
pub struct ExtBuilder {
existential_deposit: u64,
monied: bool,
dust_trap: Option<u64>,
}
impl Default for ExtBuilder {
fn default() -> Self {
Self { existential_deposit: 1, monied: false, dust_trap: None }
}
}
impl ExtBuilder {
pub fn existential_deposit(mut self, existential_deposit: u64) -> Self {
self.existential_deposit = existential_deposit;
self
}
pub fn monied(mut self, monied: bool) -> Self {
self.monied = monied;
if self.existential_deposit == 0 {
self.existential_deposit = 1;
}
self
}
pub fn dust_trap(mut self, account: u64) -> Self {
self.dust_trap = Some(account);
self
}
pub fn set_associated_consts(&self) {
DUST_TRAP_TARGET.with(|v| v.replace(self.dust_trap));
EXISTENTIAL_DEPOSIT.with(|v| v.replace(self.existential_deposit));
}
pub fn build(self) -> sp_io::TestExternalities {
self.set_associated_consts();
let mut t = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
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pallet_balances::GenesisConfig::<Test> {
balances: if self.monied {
vec![
(1, 10 * self.existential_deposit),
(2, 20 * self.existential_deposit),
(3, 30 * self.existential_deposit),
(4, 40 * self.existential_deposit),
(12, 10 * self.existential_deposit),
]
} else {
vec![]
},
}
.assimilate_storage(&mut t)
.unwrap();
let mut ext = sp_io::TestExternalities::new(t);
ext.execute_with(|| System::set_block_number(1));
ext
}
pub fn build_and_execute_with(self, f: impl Fn()) {
let other = self.clone();
UseSystem::set(false);
other.build().execute_with(|| f());
UseSystem::set(true);
self.build().execute_with(|| f());
}
}
parameter_types! {
static DustTrapTarget: Option<u64> = None;
}
pub struct DustTrap;
impl OnUnbalanced<CreditOf<Test, ()>> for DustTrap {
fn on_nonzero_unbalanced(amount: CreditOf<Test, ()>) {
match DustTrapTarget::get() {
None => drop(amount),
Some(a) => {
let result = <Balances as fungible::Balanced<_>>::resolve(&a, amount);
debug_assert!(result.is_ok());
},
}
}
}
parameter_types! {
pub static UseSystem: bool = false;
}
type BalancesAccountStore = StorageMapShim<super::Account<Test>, u64, super::AccountData<u64>>;
type SystemAccountStore = frame_system::Pallet<Test>;
pub struct TestAccountStore;
impl StoredMap<u64, super::AccountData<u64>> for TestAccountStore {
fn get(k: &u64) -> super::AccountData<u64> {
if UseSystem::get() {
<SystemAccountStore as StoredMap<_, _>>::get(k)
} else {
<BalancesAccountStore as StoredMap<_, _>>::get(k)
}
}
fn try_mutate_exists<R, E: From<DispatchError>>(
k: &u64,
f: impl FnOnce(&mut Option<super::AccountData<u64>>) -> Result<R, E>,
) -> Result<R, E> {
if UseSystem::get() {
<SystemAccountStore as StoredMap<_, _>>::try_mutate_exists(k, f)
} else {
<BalancesAccountStore as StoredMap<_, _>>::try_mutate_exists(k, f)
}
}
fn mutate<R>(
k: &u64,
f: impl FnOnce(&mut super::AccountData<u64>) -> R,
) -> Result<R, DispatchError> {
if UseSystem::get() {
<SystemAccountStore as StoredMap<_, _>>::mutate(k, f)
} else {
<BalancesAccountStore as StoredMap<_, _>>::mutate(k, f)
}
}
fn mutate_exists<R>(
k: &u64,
f: impl FnOnce(&mut Option<super::AccountData<u64>>) -> R,
) -> Result<R, DispatchError> {
if UseSystem::get() {
<SystemAccountStore as StoredMap<_, _>>::mutate_exists(k, f)
} else {
<BalancesAccountStore as StoredMap<_, _>>::mutate_exists(k, f)
}
}
fn insert(k: &u64, t: super::AccountData<u64>) -> Result<(), DispatchError> {
if UseSystem::get() {
<SystemAccountStore as StoredMap<_, _>>::insert(k, t)
} else {
<BalancesAccountStore as StoredMap<_, _>>::insert(k, t)
}
}
fn remove(k: &u64) -> Result<(), DispatchError> {
if UseSystem::get() {
<SystemAccountStore as StoredMap<_, _>>::remove(k)
} else {
<BalancesAccountStore as StoredMap<_, _>>::remove(k)
}
}
}
pub fn events() -> Vec<RuntimeEvent> {
let evt = System::events().into_iter().map(|evt| evt.event).collect::<Vec<_>>();
System::reset_events();
evt
}
/// create a transaction info struct from weight. Handy to avoid building the whole struct.
pub fn info_from_weight(w: Weight) -> DispatchInfo {
DispatchInfo { weight: w, ..Default::default() }
}
#[test]
fn weights_sane() {
let info = crate::Call::<Test>::transfer_allow_death { dest: 10, value: 4 }.get_dispatch_info();
assert_eq!(<() as crate::WeightInfo>::transfer_allow_death(), info.weight);
let info = crate::Call::<Test>::force_unreserve { who: 10, amount: 4 }.get_dispatch_info();
assert_eq!(<() as crate::WeightInfo>::force_unreserve(), info.weight);
}
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#[test]
fn check_whitelist() {
let whitelist: BTreeSet<String> = AllPalletsWithSystem::whitelisted_storage_keys()
.iter()
.map(|s| HexDisplay::from(&s.key).to_string())
.collect();
// Inactive Issuance
assert!(whitelist.contains("c2261276cc9d1f8598ea4b6a74b15c2f1ccde6872881f893a21de93dfe970cd5"));
// Total Issuance
assert!(whitelist.contains("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80"));
}