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Expose that BasicQueue expects blocking spawn (#5860)

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* Expose that `BasicQueue` expects blocking spawn

Up to now `BasicQueue` expected a closure that to spawn a `Future`.
This was expected to be a closure that spawns a blocking future.
However, this wasn't documented anywhere. This pr introduces a new trait
`SpawnBlocking` that exposes this requirement to the outside.

* Feedback
This commit is contained in:
Bastian Köcher
2020-05-04 19:40:29 +02:00
committed by GitHub
parent 8549cf5899
commit 9c5536e01a
15 changed files with 90 additions and 48 deletions
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substrate/bin/node-template/node/src/service.rs
+8 -9
View File
@@ -27,7 +27,7 @@ macro_rules! new_full_start {
($config:expr) => {{
use std::sync::Arc;
use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
let mut import_setup = None;
let inherent_data_providers = sp_inherents::InherentDataProviders::new();
@@ -45,15 +45,16 @@ macro_rules! new_full_start {
let select_chain = select_chain.take()
.ok_or_else(|| sc_service::Error::SelectChainRequired)?;
let (grandpa_block_import, grandpa_link) =
sc_finality_grandpa::block_import(client.clone(), &(client.clone() as Arc<_>), select_chain)?;
let (grandpa_block_import, grandpa_link) = sc_finality_grandpa::block_import(
client.clone(),
&(client.clone() as Arc<_>),
select_chain,
)?;
let aura_block_import = sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(
grandpa_block_import.clone(), client.clone(),
);
let spawner = |future| spawn_task_handle.spawn_blocking("import-queue-worker", future);
let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _>(
sc_consensus_aura::slot_duration(&*client)?,
aura_block_import,
@@ -61,7 +62,7 @@ macro_rules! new_full_start {
None,
client,
inherent_data_providers.clone(),
spawner,
spawn_task_handle,
)?;
import_setup = Some((grandpa_block_import, grandpa_link));
@@ -208,8 +209,6 @@ pub fn new_light(config: Configuration) -> Result<impl AbstractService, ServiceE
let finality_proof_request_builder =
finality_proof_import.create_finality_proof_request_builder();
let spawner = |future| spawn_task_handle.spawn_blocking("import-queue-worker", future);
let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _>(
sc_consensus_aura::slot_duration(&*client)?,
grandpa_block_import,
@@ -217,7 +216,7 @@ pub fn new_light(config: Configuration) -> Result<impl AbstractService, ServiceE
Some(Box::new(finality_proof_import)),
client,
inherent_data_providers.clone(),
spawner,
spawn_task_handle,
)?;
Ok((import_queue, finality_proof_request_builder))