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Make GenesisSource thread-safe (#4960)

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This change makes service's Configuration and GenesisSource thread-safe.

Related to: https://github.com/paritytech/cumulus/issues/44

Forked at: be075893b5
Parent branch: origin/master
This commit is contained in:
Cecile Tonglet
2020-02-18 11:11:16 +01:00
committed by GitHub
parent 24e151d3e9
commit 91024a1739
1 changed files with 4 additions and 4 deletions
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substrate/client/chain-spec/src/chain_spec.rs
+4 -4
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@@ -20,7 +20,7 @@ use std::borrow::Cow;
use std::collections::HashMap;
use std::fs::File;
use std::path::PathBuf;
use std::rc::Rc;
use std::sync::Arc;
use serde::{Serialize, Deserialize};
use sp_core::storage::{StorageKey, StorageData, ChildInfo, Storage, StorageChild};
use sp_runtime::BuildStorage;
@@ -32,7 +32,7 @@ use sc_telemetry::TelemetryEndpoints;
enum GenesisSource<G> {
File(PathBuf),
Binary(Cow<'static, [u8]>),
Factory(Rc<dyn Fn() -> G>),
Factory(Arc<dyn Fn() -> G + Send + Sync>),
}
impl<G> Clone for GenesisSource<G> {
@@ -215,7 +215,7 @@ impl<G, E> ChainSpec<G, E> {
}
/// Create hardcoded spec.
pub fn from_genesis<F: Fn() -> G + 'static>(
pub fn from_genesis<F: Fn() -> G + 'static + Send + Sync>(
name: &str,
id: &str,
constructor: F,
@@ -239,7 +239,7 @@ impl<G, E> ChainSpec<G, E> {
ChainSpec {
client_spec,
genesis: GenesisSource::Factory(Rc::new(constructor)),
genesis: GenesisSource::Factory(Arc::new(constructor)),
}
}
}