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// Copyright (C) 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/>.

use polkadot_node_subsystem::HeadSupportsParachains;
use polkadot_node_subsystem_types::Hash;
use sp_consensus::SyncOracle;

pub mod av_store;
pub mod availability_recovery;
pub mod candidate_backing;
pub mod candidate_validation;
pub mod chain_api;
pub mod dummy;
pub mod network_bridge;
pub mod prospective_parachains;
pub mod runtime_api;

pub struct AlwaysSupportsParachains {}

#[async_trait::async_trait]
impl HeadSupportsParachains for AlwaysSupportsParachains {
	async fn head_supports_parachains(&self, _head: &Hash) -> bool {
		true
	}
}

// An orchestra with dummy subsystems
#[macro_export]
macro_rules! dummy_builder {
	($spawn_task_handle: ident, $metrics: ident) => {{
		use $crate::mock::dummy::*;

		// Initialize a mock overseer.
		// All subsystem except approval_voting and approval_distribution are mock subsystems.
		Overseer::builder()
			.approval_voting(MockApprovalVoting {})
			.approval_voting_parallel(MockApprovalVotingParallel {})
			.approval_distribution(MockApprovalDistribution {})
			.availability_recovery(MockAvailabilityRecovery {})
			.candidate_validation(MockCandidateValidation {})
			.chain_api(MockChainApi {})
			.chain_selection(MockChainSelection {})
			.dispute_coordinator(MockDisputeCoordinator {})
			.runtime_api(MockRuntimeApi {})
			.network_bridge_tx(MockNetworkBridgeTx {})
			.availability_distribution(MockAvailabilityDistribution {})
			.availability_store(MockAvailabilityStore {})
			.pvf_checker(MockPvfChecker {})
			.candidate_backing(MockCandidateBacking {})
			.statement_distribution(MockStatementDistribution {})
			.bitfield_signing(MockBitfieldSigning {})
			.bitfield_distribution(MockBitfieldDistribution {})
			.provisioner(MockProvisioner {})
			.network_bridge_rx(MockNetworkBridgeRx {})
			.collation_generation(MockCollationGeneration {})
			.collator_protocol(MockCollatorProtocol {})
			.gossip_support(MockGossipSupport {})
			.dispute_distribution(MockDisputeDistribution {})
			.prospective_parachains(MockProspectiveParachains {})
			.activation_external_listeners(Default::default())
			.active_leaves(Default::default())
			.metrics($metrics)
			.supports_parachains(AlwaysSupportsParachains {})
			.spawner(SpawnGlue($spawn_task_handle))
	}};
}

#[derive(Clone)]
pub struct TestSyncOracle {}

impl SyncOracle for TestSyncOracle {
	fn is_major_syncing(&self) -> bool {
		false
	}

	fn is_offline(&self) -> bool {
		unimplemented!("not used by subsystem benchmarks")
	}
}