lib.rs

// Copyright 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 Rococo runtime for v1 parachains.

#![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 sp_std::prelude::*;
use sp_std::collections::btree_map::BTreeMap;
use parity_scale_codec::{Encode, Decode};
use primitives::v1::{
	AccountId, AccountIndex, Balance, BlockNumber, Hash, Nonce, Signature, Moment,
	GroupRotationInfo, CoreState, Id, ValidationCode, CandidateEvent,
	ValidatorId, ValidatorIndex, CommittedCandidateReceipt, OccupiedCoreAssumption,
	PersistedValidationData, InboundDownwardMessage, InboundHrmpMessage,
	SessionInfo as SessionInfoData,
};
use runtime_common::{
	mmr as mmr_common,
	SlowAdjustingFeeUpdate, impls::ToAuthor, BlockHashCount, BlockWeights, BlockLength, RocksDbWeight,
};
use runtime_parachains::{
	self,
	runtime_api_impl::v1 as runtime_api_impl,
};
use frame_support::{construct_runtime, parameter_types, traits::{Filter, KeyOwnerProofSystem, Randomness}, weights::Weight};
use sp_runtime::{
	create_runtime_str, generic, impl_opaque_keys,
	ApplyExtrinsicResult, KeyTypeId, Perbill, ModuleId,
	transaction_validity::{TransactionValidity, TransactionSource, TransactionPriority},
	traits::{
		self, Keccak256, BlakeTwo256, Block as BlockT, OpaqueKeys, AccountIdLookup,
		Extrinsic as ExtrinsicT, SaturatedConversion, Verify,
	},
};
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use authority_discovery_primitives::AuthorityId as AuthorityDiscoveryId;
#[cfg(any(feature = "std", test))]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
use pallet_grandpa::{AuthorityId as GrandpaId, fg_primitives};
use sp_core::{OpaqueMetadata, RuntimeDebug};
use sp_staking::SessionIndex;
use pallet_session::historical as session_historical;
use beefy_primitives::ecdsa::AuthorityId as BeefyId;
use pallet_mmr_primitives as mmr;
use frame_system::EnsureRoot;
use runtime_common::{paras_sudo_wrapper, paras_registrar, xcm_sender, auctions, crowdloan, slots};

use runtime_parachains::origin as parachains_origin;
use runtime_parachains::configuration as parachains_configuration;
use runtime_parachains::shared as parachains_shared;
use runtime_parachains::inclusion as parachains_inclusion;
use runtime_parachains::paras_inherent as parachains_paras_inherent;
use runtime_parachains::initializer as parachains_initializer;
use runtime_parachains::session_info as parachains_session_info;
use runtime_parachains::paras as parachains_paras;
use runtime_parachains::dmp as parachains_dmp;
use runtime_parachains::ump as parachains_ump;
use runtime_parachains::hrmp as parachains_hrmp;
use runtime_parachains::scheduler as parachains_scheduler;

pub use pallet_balances::Call as BalancesCall;

use polkadot_parachain::primitives::Id as ParaId;
use xcm::v0::{MultiLocation, NetworkId};
use xcm_executor::traits::IsConcrete;
use xcm_builder::{
	AccountId32Aliases, ChildParachainConvertsVia, SovereignSignedViaLocation,
	CurrencyAdapter as XcmCurrencyAdapter, ChildParachainAsNative,
	SignedAccountId32AsNative, ChildSystemParachainAsSuperuser, LocationInverter,
};
use constants::{time::*, currency::*, fee::*};
use frame_support::traits::InstanceFilter;

/// Constant values used within the runtime.
pub mod constants;
mod validator_manager;

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

/// Runtime version (Rococo).
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("rococo"),
	impl_name: create_runtime_str!("parity-rococo-v1-1"),
	authoring_version: 0,
	spec_version: 227,
	impl_version: 0,
	#[cfg(not(feature = "disable-runtime-api"))]
	apis: RUNTIME_API_VERSIONS,
	#[cfg(feature = "disable-runtime-api")]
	apis: sp_version::create_apis_vec![[]],
	transaction_version: 0,
};

/// 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(),
	}
}

/// The address format for describing accounts.
pub type Address = sp_runtime::MultiAddress<AccountId, ()>;
/// Block header type as expected by this runtime.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
/// Block type as expected by this runtime.
pub type Block = generic::Block<Header, UncheckedExtrinsic>;
/// A Block signed with a Justification
pub type SignedBlock = generic::SignedBlock<Block>;
/// BlockId type as expected by this runtime.
pub type BlockId = generic::BlockId<Block>;
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
	frame_system::CheckSpecVersion<Runtime>,
	frame_system::CheckTxVersion<Runtime>,
	frame_system::CheckGenesis<Runtime>,
	frame_system::CheckMortality<Runtime>,
	frame_system::CheckNonce<Runtime>,
	frame_system::CheckWeight<Runtime>,
	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
);

/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Call, Signature, SignedExtra>;
/// Extrinsic type that has already been checked.
pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Nonce, Call>;
/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPallets,
	UpgradeSessionKeys,
>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;

// TODO [ToDr] Remove while BEEFY runtime upgrade is done.
impl_opaque_keys! {
	pub struct OldSessionKeys {
		pub grandpa: Grandpa,
		pub babe: Babe,
		pub im_online: ImOnline,
		pub para_validator: Initializer,
		pub para_assignment: SessionInfo,
		pub authority_discovery: AuthorityDiscovery,
	}
}

impl_opaque_keys! {
	pub struct SessionKeys {
		pub grandpa: Grandpa,
		pub babe: Babe,
		pub im_online: ImOnline,
		pub para_validator: Initializer,
		pub para_assignment: SessionInfo,
		pub authority_discovery: AuthorityDiscovery,
		pub beefy: Beefy,
	}
}

fn transform_session_keys(v: AccountId, old: OldSessionKeys) -> SessionKeys {
	SessionKeys {
		grandpa: old.grandpa,
		babe: old.babe,
		im_online: old.im_online,
		para_validator: old.para_validator,
		para_assignment: old.para_assignment,
		authority_discovery: old.authority_discovery,
		beefy: {