Adapt client to support asynchronous backing

[Agusrodri]

Modifies the client to support future async backing, adapting it to the new kind of aura params.

Main changes

This PR refactors the way of handling how collators are spawned, from both the orchestrator and container-chains sides.
It deprecates the usage of OrchestratorAuraConsensus struct, alongside with its associated OrchestratorAuraWorker and related params.

The new approach consists on adding a new Collator struct, which has the following params:

/// Parameters for instantiating a [`Collator`].
pub struct Params<BI, CIDP, RClient, Proposer, CS> {
    /// A builder for inherent data builders.
    pub create_inherent_data_providers: CIDP,
    /// The block import handle.
    pub block_import: BI,
    /// An interface to the relay-chain client.
    pub relay_client: RClient,
    /// The keystore handle used for accessing parachain key material.
    pub keystore: KeystorePtr,
    /// The identifier of the parachain within the relay-chain.
    pub para_id: ParaId,
    /// The block proposer used for building blocks.
    pub proposer: Proposer,
    /// The collator service used for bundling proposals into collations and announcing
    /// to the network.
    pub collator_service: CS,
}

At the moment of spawning the node, the collators will wake up using a run function, that will be called using custom params (basic or lookahead ones) depending on if we are spawning the collator with async-backing enabled or not. Thus, basic params will be used without async-backing and lookahead ones will be used to spawn the node using the async-backing functionality.

Note

The lookahead implementation will be added in a future PR, when we are closer to enabling async-backing also at a runtime level.

[github-actions]

Coverage Report

(master)

@@                       Coverage Diff                        @@
##           master   agustin-client-async-backing      +/-   ##
================================================================
- Coverage   77.30%                         75.86%   -1.44%     
+ Files         105                            107       +2     
- Lines       26797                          25928     -869     
================================================================
- Hits        20715                          19668    -1047     
+ Misses       6082                           6260     +178     

Files Changed	Coverage
/client/consensus/src/consensus_orchestrator.rs	0.00% (-77.90%)	🔽
/node/src/service.rs	23.35% (+1.52%)	🔼
/pallets/collator-assignment/src/lib.rs	94.63% (-0.23%)	🔽
/pallets/registrar/src/lib.rs	92.01% (+1.84%)	🔼
/pallets/registrar/src/weights.rs	50.00% (+11.65%)	🔼
/pallets/services-payment/src/lib.rs	84.56% (+6.86%)	🔼
/pallets/services-payment/src/weights.rs	0.00% (-26.47%)	🔽
/primitives/traits/src/lib.rs	100.00% (+6.25%)	🔼
/runtime/dancebox/src/lib.rs	81.32% (-0.59%)	🔽
/runtime/dancebox/tests/common/mod.rs	99.75% (-0.01%)	🔽
/runtime/dancebox/tests/integration_test.rs	99.71% (-0.01%)	🔽
/runtime/flashbox/src/lib.rs	43.87% (-1.42%)	🔽
/runtime/flashbox/tests/common/mod.rs	97.91% (-0.03%)	🔽

Coverage generated Mon Feb 5 14:10:27 UTC 2024

[girazoki]

all tests pass? wow

[tmpolaczyk]

Good job!

[girazoki]

I think it looks good overall!