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// Copyright 2017 Parity Technologies (UK) Ltd.
// This file is part of Substrate Demo.

// Substrate Demo 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.

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

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//! The Substrate Demo runtime. This can be compiled with ``#[no_std]`, ready for Wasm.
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#![cfg_attr(not(feature = "std"), no_std)]

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#[macro_use]
extern crate substrate_runtime_io as runtime_io;
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#[macro_use]
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extern crate substrate_runtime_support;
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#[macro_use]
extern crate substrate_runtime_primitives as runtime_primitives;
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#[cfg(feature = "std")]
#[macro_use]
extern crate serde_derive;

#[cfg(feature = "std")]
extern crate serde;

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extern crate substrate_runtime_std as rstd;
extern crate substrate_runtime_consensus as consensus;
extern crate substrate_runtime_council as council;
extern crate substrate_runtime_democracy as democracy;
extern crate substrate_runtime_executive as executive;
extern crate substrate_runtime_session as session;
extern crate substrate_runtime_staking as staking;
extern crate substrate_runtime_system as system;
extern crate substrate_runtime_timestamp as timestamp;
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extern crate demo_primitives;

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use rstd::prelude::*;
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use demo_primitives::{AccountId, AccountIndex, Balance, BlockNumber, Hash, Index, SessionKey, Signature};
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use runtime_primitives::generic;
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use runtime_primitives::traits::{Convert, HasPublicAux, BlakeTwo256};
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#[cfg(any(feature = "std", test))]
pub use runtime_primitives::BuildStorage;
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// Workaround for https://github.com/rust-lang/rust/issues/26925 . Remove when sorted.
#[derive(Clone, Copy, PartialEq, Eq)]
#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
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/// Concrete runtime type used to parameterize the various modules.
pub struct Concrete;
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impl HasPublicAux for Concrete {
	type PublicAux = AccountId;
}
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impl system::Trait for Concrete {
	type Index = Index;
	type BlockNumber = BlockNumber;
	type Hash = Hash;
	type Hashing = BlakeTwo256;
	type Digest = generic::Digest<Vec<u8>>;
	type AccountId = AccountId;
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	type Header = generic::Header<BlockNumber, BlakeTwo256, Vec<u8>>;
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}

/// System module for this concrete runtime.
pub type System = system::Module<Concrete>;

impl consensus::Trait for Concrete {
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	type PublicAux = <Self as HasPublicAux>::PublicAux;
	type SessionKey = SessionKey;
}

/// Consensus module for this concrete runtime.
pub type Consensus = consensus::Module<Concrete>;

impl timestamp::Trait for Concrete {
	const TIMESTAMP_SET_POSITION: u32 = 0;
}

/// Timestamp module for this concrete runtime.
pub type Timestamp = timestamp::Module<Concrete>;

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/// Session key conversion.
pub struct SessionKeyConversion;
impl Convert<AccountId, SessionKey> for SessionKeyConversion {
	fn convert(a: AccountId) -> SessionKey {
		a.0
	}
}

impl session::Trait for Concrete {
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	type ConvertAccountIdToSessionKey = SessionKeyConversion;
	type OnSessionChange = Staking;
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}

/// Session module for this concrete runtime.
pub type Session = session::Module<Concrete>;

impl staking::Trait for Concrete {
	type Balance = Balance;
	type DetermineContractAddress = BlakeTwo256;
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	type AccountIndex = AccountIndex;
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}

/// Staking module for this concrete runtime.
pub type Staking = staking::Module<Concrete>;

impl democracy::Trait for Concrete {
	type Proposal = PrivCall;
}

/// Democracy module for this concrete runtime.
pub type Democracy = democracy::Module<Concrete>;

impl council::Trait for Concrete {}

/// Council module for this concrete runtime.
pub type Council = council::Module<Concrete>;
/// Council voting module for this concrete runtime.
pub type CouncilVoting = council::voting::Module<Concrete>;

impl_outer_dispatch! {
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	#[derive(Clone, PartialEq, Eq)]
	#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
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	pub enum Call where aux: <Concrete as HasPublicAux>::PublicAux {
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		Session = 1,
		Staking = 2,
		Timestamp = 3,
		Democracy = 5,
		Council = 6,
		CouncilVoting = 7,
	}

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	#[derive(Clone, PartialEq, Eq)]
	#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
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	pub enum PrivCall {
		Consensus = 0,
		Session = 1,
		Staking = 2,
		Democracy = 5,
		Council = 6,
		CouncilVoting = 7,
	}
}

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/// The address format for describing accounts.
pub type Address = staking::Address<Concrete>;
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/// Block header type as expected by this runtime.
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pub type Header = generic::Header<BlockNumber, BlakeTwo256, Vec<u8>>;
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/// Block type as expected by this runtime.
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pub type Block = generic::Block<Header, UncheckedExtrinsic>;
/// BlockId type as expected by this runtime.
pub type BlockId = generic::BlockId<Block>;
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/// Unchecked extrinsic type as expected by this runtime.
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pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Index, Call, Signature>;
/// Extrinsic type as expected by this runtime. This is not the type that is signed.
pub type Extrinsic = generic::Extrinsic<Address, Index, Call>;
/// Extrinsic type that is signed.
pub type BareExtrinsic = generic::Extrinsic<AccountId, Index, Call>;
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/// Executive: handles dispatch to the various modules.
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pub type Executive = executive::Executive<Concrete, Block, Staking, Staking,
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	(((((), Council), Democracy), Staking), Session)>;

impl_outer_config! {
	pub struct GenesisConfig for Concrete {
		ConsensusConfig => consensus,
		SystemConfig => system,
		SessionConfig => session,
		StakingConfig => staking,
		DemocracyConfig => democracy,
		CouncilConfig => council,
		TimestampConfig => timestamp,
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	}
}

pub mod api {
	impl_stubs!(
		authorities => |()| super::Consensus::authorities(),
		initialise_block => |header| super::Executive::initialise_block(&header),
		apply_extrinsic => |extrinsic| super::Executive::apply_extrinsic(extrinsic),
		execute_block => |block| super::Executive::execute_block(block),
		finalise_block => |()| super::Executive::finalise_block(),
		validator_count => |()| super::Session::validator_count(),
		validators => |()| super::Session::validators()
	);
}