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Persistent Local Storage for offchain workers. (#2894)

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* WiP.

* Implement offchain storage APIs.

* Change compare_and_set to return bool.

* Add offchain http test.

* Fix tests.

* Bump spec version.

* Fix warnings and test.

* Fix compilation.

* Remove unused code.

* Introduce Local (fork-aware) and Persistent storage.

* Fix borked merge.

* Prevent warning on depreacated client.backend

* Fix long lines.

* Clean up dependencies.

* Update core/primitives/src/offchain.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update core/primitives/src/offchain.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>
This commit is contained in:
Tomasz Drwięga
2019-07-02 20:11:06 +02:00
committed by Gavin Wood
parent 24aa882ebc
commit 2217c1e9a1
26 changed files with 726 additions and 118 deletions
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substrate/core/service/src/lib.rs
+21 -8
View File
@@ -32,7 +32,7 @@ use std::time::Duration;
use futures::sync::mpsc;
use parking_lot::Mutex;
use client::{BlockchainEvents, backend::Backend};
use client::{BlockchainEvents, backend::Backend, runtime_api::BlockT};
use exit_future::Signal;
use futures::prelude::*;
use keystore::Store as Keystore;
@@ -51,11 +51,10 @@ pub use chain_spec::{ChainSpec, Properties};
pub use transaction_pool::txpool::{
self, Pool as TransactionPool, Options as TransactionPoolOptions, ChainApi, IntoPoolError
};
use client::runtime_api::BlockT;
pub use client::FinalityNotifications;
pub use components::{ServiceFactory, FullBackend, FullExecutor, LightBackend,
LightExecutor, Components, PoolApi, ComponentClient,
LightExecutor, Components, PoolApi, ComponentClient, ComponentOffchainStorage,
ComponentBlock, FullClient, LightClient, FullComponents, LightComponents,
CodeExecutor, NetworkService, FactoryChainSpec, FactoryBlock,
FactoryFullConfiguration, RuntimeGenesis, FactoryGenesis,
@@ -94,8 +93,12 @@ pub struct Service<Components: components::Components> {
pub config: FactoryFullConfiguration<Components::Factory>,
_rpc: Box<dyn std::any::Any + Send + Sync>,
_telemetry: Option<tel::Telemetry>,
_offchain_workers: Option<Arc<offchain::OffchainWorkers<ComponentClient<Components>, ComponentBlock<Components>>>>,
_telemetry_on_connect_sinks: Arc<Mutex<Vec<mpsc::UnboundedSender<()>>>>,
_offchain_workers: Option<Arc<offchain::OffchainWorkers<
ComponentClient<Components>,
ComponentOffchainStorage<Components>,
ComponentBlock<Components>>
>>,
}
/// Creates bare client without any networking.
@@ -234,10 +237,20 @@ impl<Components: components::Components> Service<Components> {
.select(exit.clone())
.then(|_| Ok(()))));
let offchain_workers = if config.offchain_worker {
Some(Arc::new(offchain::OffchainWorkers::new(client.clone())))
} else {
None
#[allow(deprecated)]
let offchain_storage = client.backend().offchain_storage();
let offchain_workers = match (config.offchain_worker, offchain_storage) {
(true, Some(db)) => {
Some(Arc::new(offchain::OffchainWorkers::new(
client.clone(),
db,
)))
},
(true, None) => {
log::warn!("Offchain workers disabled, due to lack of offchain storage support in backend.");
None
},
_ => None,
};
{