lib.rs

// Copyright 2017-2020 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot 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.

// Polkadot 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 Polkadot.  If not, see <http://www.gnu.org/licenses/>.

//! The Polkadot runtime. This can be compiled with `#[no_std]`, ready for Wasm.

#![cfg_attr(not(feature = "std"), no_std)]
// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
#![recursion_limit = "256"]

use pallet_transaction_payment::CurrencyAdapter;
use parity_scale_codec::Encode;
use sp_std::{collections::btree_map::BTreeMap, prelude::*};

use polkadot_runtime_parachains::{
	configuration as parachains_configuration, disputes as parachains_disputes,
	dmp as parachains_dmp, hrmp as parachains_hrmp, inclusion as parachains_inclusion,
	initializer as parachains_initializer, paras as parachains_paras,
	paras_inherent as parachains_paras_inherent, runtime_api_impl::v1 as runtime_impl,
	scheduler as parachains_scheduler, session_info as parachains_session_info,
	shared as parachains_shared, ump as parachains_ump,
};

use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
use beefy_primitives::crypto::AuthorityId as BeefyId;
use frame_support::{
	construct_runtime, parameter_types,
	traits::{Everything, KeyOwnerProofSystem},
};
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_mmr_primitives as mmr;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
use polkadot_runtime_parachains::reward_points::RewardValidatorsWithEraPoints;
use primitives::v1::{
	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CommittedCandidateReceipt,
	CoreState, GroupRotationInfo, Hash as HashT, Id as ParaId, InboundDownwardMessage,
	InboundHrmpMessage, Moment, Nonce, OccupiedCoreAssumption, PersistedValidationData,
	ScrapedOnChainVotes, SessionInfo as SessionInfoData, Signature, ValidationCode,
	ValidationCodeHash, ValidatorId, ValidatorIndex,
};
use runtime_common::{
	claims, paras_sudo_wrapper, BlockHashCount, BlockLength, BlockWeights, SlowAdjustingFeeUpdate,
};
use sp_core::OpaqueMetadata;
use sp_runtime::{
	create_runtime_str,
	curve::PiecewiseLinear,
	generic, impl_opaque_keys,
	traits::{
		BlakeTwo256, Block as BlockT, ConvertInto, Extrinsic as ExtrinsicT, OpaqueKeys,
		SaturatedConversion, StaticLookup, Verify,
	},
	transaction_validity::{TransactionSource, TransactionValidity},
	ApplyExtrinsicResult, KeyTypeId, Perbill,
};
use sp_staking::SessionIndex;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;

pub use pallet_balances::Call as BalancesCall;
#[cfg(feature = "std")]
pub use pallet_staking::StakerStatus;
pub use pallet_sudo::Call as SudoCall;
pub use pallet_timestamp::Call as TimestampCall;
pub use paras_sudo_wrapper::Call as ParasSudoWrapperCall;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;

/// Constant values used within the runtime.
pub mod constants;
pub mod xcm_config;
use constants::{currency::*, fee::*, time::*};

// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));

/// Runtime version (Test).
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("polkadot-test-runtime"),
	impl_name: create_runtime_str!("parity-polkadot-test-runtime"),
	authoring_version: 2,
	spec_version: 1056,
	impl_version: 0,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 1,
};

/// The BABE epoch configuration at genesis.
pub const BABE_GENESIS_EPOCH_CONFIG: babe_primitives::BabeEpochConfiguration =
	babe_primitives::BabeEpochConfiguration {
		c: PRIMARY_PROBABILITY,
		allowed_slots: babe_primitives::AllowedSlots::PrimaryAndSecondaryVRFSlots,
	};

/// Native version.
#[cfg(any(feature = "std", test))]
pub fn native_version() -> NativeVersion {
	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
}

sp_api::decl_runtime_apis! {
	pub trait GetLastTimestamp {
		/// Returns the last timestamp of a runtime.
		fn get_last_timestamp() -> u64;
	}
}

parameter_types! {
	pub const Version: RuntimeVersion = VERSION;
	pub const SS58Prefix: u8 = 42;
}

impl frame_system::Config for Runtime {
	type BaseCallFilter = frame_support::traits::Everything;
	type BlockWeights = BlockWeights;
	type BlockLength = BlockLength;
	type DbWeight = ();
	type Origin = Origin;
	type Call = Call;
	type Index = Nonce;
	type BlockNumber = BlockNumber;
	type Hash = HashT;
	type Hashing = BlakeTwo256;
	type AccountId = AccountId;
	type Lookup = Indices;
	type Header = generic::Header<BlockNumber, BlakeTwo256>;
	type Event = Event;
	type BlockHashCount = BlockHashCount;
	type Version = Version;
	type PalletInfo = PalletInfo;
	type AccountData = pallet_balances::AccountData<Balance>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = ();
	type SS58Prefix = SS58Prefix;
	type OnSetCode = ();
}

impl<C> frame_system::offchain::SendTransactionTypes<C> for Runtime
where
	Call: From<C>,
{
	type OverarchingCall = Call;
	type Extrinsic = UncheckedExtrinsic;
}

parameter_types! {
	pub storage EpochDuration: u64 = EPOCH_DURATION_IN_SLOTS as u64;
	pub storage ExpectedBlockTime: Moment = MILLISECS_PER_BLOCK;
}

impl pallet_babe::Config for Runtime {
	type EpochDuration = EpochDuration;
	type ExpectedBlockTime = ExpectedBlockTime;

	// session module is the trigger
	type EpochChangeTrigger = pallet_babe::ExternalTrigger;

	type DisabledValidators = ();

	type KeyOwnerProofSystem = ();

	type KeyOwnerProof = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
		KeyTypeId,
		pallet_babe::AuthorityId,
	)>>::Proof;

	type KeyOwnerIdentification = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
		KeyTypeId,
		pallet_babe::AuthorityId,
	)>>::IdentificationTuple;

	type HandleEquivocation = ();

	type WeightInfo = ();
	type MaxAuthorities = MaxAuthorities;
}

parameter_types! {
	pub storage IndexDeposit: Balance = 1 * DOLLARS;
}

impl pallet_indices::Config for Runtime {
	type AccountIndex = AccountIndex;
	type Currency = Balances;