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Integrate all (dummy) subsystems with the Overseer (#1374)

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* overseer: introduce a utility typemap

* it's ugly but it compiles

* move DummySubsystem to subsystem crate

* fix tests fallout

* use a struct for all subsystems

* more tests fallout

* add missing pov_distribution subsystem

* remove unused imports and bounds

* fix minimal-example
This commit is contained in:
Andronik Ordian
2020-07-09 22:25:40 +02:00
committed by GitHub
parent c119627835
commit 6957847b6b
5 changed files with 425 additions and 106 deletions
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polkadot/node/service/src/lib.rs
+20 -33
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@@ -29,11 +29,8 @@ use grandpa::{self, FinalityProofProvider as GrandpaFinalityProofProvider};
use sc_executor::native_executor_instance;
use log::info;
use sp_blockchain::HeaderBackend;
use polkadot_overseer::{self as overseer, BlockInfo, Overseer, OverseerHandler};
use polkadot_subsystem::{
Subsystem, SubsystemContext, SpawnedSubsystem,
messages::{CandidateValidationMessage, CandidateBackingMessage},
};
use polkadot_overseer::{self as overseer, AllSubsystems, BlockInfo, Overseer, OverseerHandler};
use polkadot_subsystem::DummySubsystem;
use polkadot_node_core_proposer::ProposerFactory;
use sp_trie::PrefixedMemoryDB;
pub use service::{
@@ -275,38 +272,28 @@ macro_rules! new_full_start {
}}
}
struct CandidateValidationSubsystem;
impl<C> Subsystem<C> for CandidateValidationSubsystem
where C: SubsystemContext<Message = CandidateValidationMessage>
{
fn start(self, mut ctx: C) -> SpawnedSubsystem {
SpawnedSubsystem(Box::pin(async move {
while let Ok(_) = ctx.recv().await {}
}))
}
}
struct CandidateBackingSubsystem;
impl<C> Subsystem<C> for CandidateBackingSubsystem
where C: SubsystemContext<Message = CandidateBackingMessage>
{
fn start(self, mut ctx: C) -> SpawnedSubsystem {
SpawnedSubsystem(Box::pin(async move {
while let Ok(_) = ctx.recv().await {}
}))
}
}
fn real_overseer<S: futures::task::Spawn>(
leaves: impl IntoIterator<Item = BlockInfo>,
s: S,
) -> Result<(Overseer<S>, OverseerHandler), ServiceError> {
let validation = CandidateValidationSubsystem;
let candidate_backing = CandidateBackingSubsystem;
Overseer::new(leaves, validation, candidate_backing, s)
.map_err(|e| ServiceError::Other(format!("Failed to create an Overseer: {:?}", e)))
let all_subsystems = AllSubsystems {
candidate_validation: DummySubsystem,
candidate_backing: DummySubsystem,
candidate_selection: DummySubsystem,
statement_distribution: DummySubsystem,
availability_distribution: DummySubsystem,
bitfield_distribution: DummySubsystem,
provisioner: DummySubsystem,
pov_distribution: DummySubsystem,
runtime_api: DummySubsystem,
availability_store: DummySubsystem,
network_bridge: DummySubsystem,
};
Overseer::new(
leaves,
all_subsystems,
s,
).map_err(|e| ServiceError::Other(format!("Failed to create an Overseer: {:?}", e)))
}
/// Builds a new service for a full client.