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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/client/src/light/backend.rs
+5
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@@ -118,6 +118,7 @@ impl<S, F, Block, H> ClientBackend<Block, H> for Backend<S, F, H> where
type Blockchain = Blockchain<S, F>;
type State = OnDemandOrGenesisState<Block, S, F, H>;
type ChangesTrieStorage = in_mem::ChangesTrieStorage<Block, H>;
type OffchainStorage = in_mem::OffchainStorage;
fn begin_operation(&self) -> ClientResult<Self::BlockImportOperation> {
Ok(ImportOperation {
@@ -195,6 +196,10 @@ impl<S, F, Block, H> ClientBackend<Block, H> for Backend<S, F, H> where
None
}
fn offchain_storage(&self) -> Option<Self::OffchainStorage> {
None
}
fn state_at(&self, block: BlockId<Block>) -> ClientResult<Self::State> {
let block_number = self.blockchain.expect_block_number_from_id(&block)?;