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// Copyright 2019-2025 PureStake Inc.
// This file is part of Moonbeam.
// Moonbeam is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Moonbeam is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Moonbeam. If not, see <http://www.gnu.org/licenses/>.
//! Test utilities
use super::*;
use frame_support::{
construct_runtime, parameter_types,
traits::{Everything, PollStatus, Polling, TotalIssuanceOf},
weights::Weight,
};
use pallet_conviction_voting::TallyOf;
use pallet_evm::{EnsureAddressNever, EnsureAddressRoot, FrameSystemAccountProvider};
use precompile_utils::{precompile_set::*, testing::MockAccount};
use sp_core::{H256, U256};
use sp_runtime::{
traits::{BlakeTwo256, ConstU32, ConstU64, IdentityLookup},
BuildStorage, DispatchError, Perbill,
use sp_std::collections::btree_map::BTreeMap;
#[cfg(feature = "runtime-benchmarks")]
use frame_support::traits::VoteTally;
pub type AccountId = MockAccount;
pub type Balance = u128;
type Block = frame_system::mocking::MockBlock<Runtime>;
construct_runtime!(
pub enum Runtime {
System: frame_system,
Balances: pallet_balances,
Evm: pallet_evm,
Timestamp: pallet_timestamp,
ConvictionVoting: pallet_conviction_voting,
}
);
parameter_types! {
pub const BlockHashCount: u32 = 250;
pub const MaximumBlockWeight: Weight = Weight::from_parts(1024, 1);
pub const MaximumBlockLength: u32 = 2 * 1024;
pub const AvailableBlockRatio: Perbill = Perbill::one();
pub const SS58Prefix: u8 = 42;
impl frame_system::Config for Runtime {
type BaseCallFilter = Everything;
type DbWeight = ();
type RuntimeOrigin = RuntimeOrigin;
type RuntimeTask = RuntimeTask;
type Nonce = u64;
type Block = Block;
type RuntimeCall = RuntimeCall;
type Hash = H256;
type Hashing = BlakeTwo256;
type AccountId = AccountId;
type Lookup = IdentityLookup<AccountId>;
type RuntimeEvent = RuntimeEvent;
type BlockHashCount = BlockHashCount;
type Version = ();
type PalletInfo = PalletInfo;
type AccountData = pallet_balances::AccountData<Balance>;
type OnNewAccount = ();
type OnKilledAccount = ();
type SystemWeightInfo = ();
type BlockWeights = ();
type BlockLength = ();
type SS58Prefix = SS58Prefix;
type OnSetCode = ();
type MaxConsumers = frame_support::traits::ConstU32<16>;
type SingleBlockMigrations = ();
type MultiBlockMigrator = ();
type PreInherents = ();
type PostInherents = ();
type PostTransactions = ();
pub const ExistentialDeposit: u128 = 0;
impl pallet_balances::Config for Runtime {
type MaxReserves = ();
type ReserveIdentifier = [u8; 4];
type MaxLocks = ();
type Balance = Balance;
type DustRemoval = ();
type ExistentialDeposit = ExistentialDeposit;
type AccountStore = System;
type WeightInfo = ();
type RuntimeHoldReason = ();
type FreezeIdentifier = ();
type MaxFreezes = ();
type RuntimeFreezeReason = ();
const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
/// Block storage limit in bytes. Set to 40 KB.
const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
pub BlockGasLimit: U256 = U256::from(u64::MAX);
pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
pub GasLimitPovSizeRatio: u64 = {
let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
block_gas_limit.saturating_div(MAX_POV_SIZE)
pub GasLimitStorageGrowthRatio : u64 = {
block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)
pub type Precompiles<R> =
PrecompileSetBuilder<R, (PrecompileAt<AddressU64<1>, ConvictionVotingPrecompile<R>>,)>;
pub type PCall = ConvictionVotingPrecompileCall<Runtime>;
impl pallet_evm::Config for Runtime {
type FeeCalculator = ();
type GasWeightMapping = pallet_evm::FixedGasWeightMapping<Self>;
type WeightPerGas = WeightPerGas;
type CallOrigin = EnsureAddressRoot<AccountId>;
type WithdrawOrigin = EnsureAddressNever<AccountId>;
type AddressMapping = AccountId;
type Currency = Balances;
type Runner = pallet_evm::runner::stack::Runner<Self>;
type PrecompilesType = Precompiles<Runtime>;
type PrecompilesValue = PrecompilesValue;
type ChainId = ();
type OnChargeTransaction = ();
type BlockGasLimit = BlockGasLimit;
type BlockHashMapping = pallet_evm::SubstrateBlockHashMapping<Self>;
type FindAuthor = ();
type OnCreate = ();
type GasLimitPovSizeRatio = GasLimitPovSizeRatio;
type SuicideQuickClearLimit = ConstU32<0>;
type GasLimitStorageGrowthRatio = GasLimitStorageGrowthRatio;
type Timestamp = Timestamp;
type WeightInfo = pallet_evm::weights::SubstrateWeight<Runtime>;
type AccountProvider = FrameSystemAccountProvider<Runtime>;
pub const MinimumPeriod: u64 = 5;
impl pallet_timestamp::Config for Runtime {
type Moment = u64;
type OnTimestampSet = ();
type MinimumPeriod = MinimumPeriod;
#[derive(Clone, PartialEq, Eq, Debug)]
pub enum TestPollState {
Ongoing(TallyOf<Runtime>, u8),
Completed(u64, bool),
use TestPollState::*;
pub static Polls: BTreeMap<u8, TestPollState> = vec![
(1, Completed(1, true)),
(2, Completed(2, false)),
(3, Ongoing(Tally::from_parts(0, 0, 0), 0)),
].into_iter().collect();
pub struct TestPolls;
impl Polling<TallyOf<Runtime>> for TestPolls {
type Index = u8;
type Votes = u128;
type Class = u8;
fn classes() -> Vec<u8> {
vec![0, 1, 2]
fn as_ongoing(index: u8) -> Option<(TallyOf<Runtime>, Self::Class)> {
Polls::get().remove(&index).and_then(|x| {
if let TestPollState::Ongoing(t, c) = x {
Some((t, c))
} else {
None
})
fn access_poll<R>(
index: Self::Index,
f: impl FnOnce(PollStatus<&mut TallyOf<Runtime>, u64, u8>) -> R,
) -> R {
let mut polls = Polls::get();
let entry = polls.get_mut(&index);
let r = match entry {
Some(Ongoing(ref mut tally_mut_ref, class)) => {
f(PollStatus::Ongoing(tally_mut_ref, *class))
Some(Completed(when, succeeded)) => f(PollStatus::Completed(
(*when).try_into().unwrap(),
*succeeded,
)),
None => f(PollStatus::None),
Polls::set(polls);
r
fn try_access_poll<R>(
f: impl FnOnce(PollStatus<&mut TallyOf<Runtime>, u64, u8>) -> Result<R, DispatchError>,
) -> Result<R, DispatchError> {
}?;
Ok(r)
fn create_ongoing(class: Self::Class) -> Result<Self::Index, ()> {
let i = polls.keys().rev().next().map_or(0, |x| x + 1);
polls.insert(i, Ongoing(Tally::new(0), class));
Ok(i)
fn end_ongoing(index: Self::Index, approved: bool) -> Result<(), ()> {
match polls.get(&index) {
Some(Ongoing(..)) => {}
_ => return Err(()),
let now = frame_system::Pallet::<Runtime>::block_number();
polls.insert(index, Completed(now, approved));
Ok(())
impl pallet_conviction_voting::Config for Runtime {
type Currency = pallet_balances::Pallet<Self>;
type VoteLockingPeriod = ConstU64<3>;
type MaxVotes = ConstU32<3>;
type MaxTurnout = TotalIssuanceOf<Balances, Self::AccountId>;
type Polls = TestPolls;
pub(crate) struct ExtBuilder {
/// Endowed accounts with balances
balances: Vec<(AccountId, Balance)>,
impl Default for ExtBuilder {
fn default() -> ExtBuilder {
ExtBuilder { balances: vec![] }
impl ExtBuilder {
/// Fund some accounts before starting the test
pub(crate) fn with_balances(mut self, balances: Vec<(AccountId, Balance)>) -> Self {
self.balances = balances;
self
/// Build the test externalities for use in tests
pub(crate) fn build(self) -> sp_io::TestExternalities {
let mut t = frame_system::GenesisConfig::<Runtime>::default()
.build_storage()
.expect("Frame system builds valid default genesis config");
pallet_balances::GenesisConfig::<Runtime> {
balances: self.balances.clone(),
.assimilate_storage(&mut t)
.expect("Pallet balances storage can be assimilated");
let mut ext = sp_io::TestExternalities::new(t);
ext.execute_with(|| {
System::set_block_number(1);
});
ext
pub(crate) fn events() -> Vec<RuntimeEvent> {
System::events()
.into_iter()
.map(|r| r.event)
.collect::<Vec<_>>()