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AuxStore on light clients (#1251)

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* implement AuxStore on light clients

* Update core/client/db/src/light.rs

Co-Authored-By: svyatonik <svyatonik@gmail.com>

* Update core/client/db/src/light.rs

Co-Authored-By: svyatonik <svyatonik@gmail.com>

* Update core/client/db/src/light.rs

Co-Authored-By: svyatonik <svyatonik@gmail.com>
This commit is contained in:
Svyatoslav Nikolsky
2018-12-13 19:01:57 +03:00
committed by Robert Habermeier
parent c61d03a86f
commit 81f90ed0a4
4 changed files with 99 additions and 18 deletions
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substrate/core/client/src/light/backend.rs
+6 -6
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@@ -27,7 +27,7 @@ use state_machine::{Backend as StateBackend, InMemoryChangesTrieStorage, TrieBac
use runtime_primitives::traits::{Block as BlockT, NumberFor};
use in_mem;
use backend::{Backend as ClientBackend, BlockImportOperation, RemoteBackend, NewBlockState};
use backend::{AuxStore, Backend as ClientBackend, BlockImportOperation, RemoteBackend, NewBlockState};
use blockchain::HeaderBackend as BlockchainHeaderBackend;
use error::{Error as ClientError, ErrorKind as ClientErrorKind, Result as ClientResult};
use light::blockchain::{Blockchain, Storage as BlockchainStorage};
@@ -70,19 +70,19 @@ impl<S, F> Backend<S, F> {
}
}
impl<S, F> ::backend::AuxStore for Backend<S, F> {
impl<S: AuxStore, F> AuxStore for Backend<S, F> {
fn insert_aux<
'a,
'b: 'a,
'c: 'a,
I: IntoIterator<Item=&'a(&'c [u8], &'c [u8])>,
D: IntoIterator<Item=&'a &'b [u8]>,
>(&self, _insert: I, _delete: D) -> ClientResult<()> {
Err(ClientErrorKind::NotAvailableOnLightClient.into())
>(&self, insert: I, delete: D) -> ClientResult<()> {
self.blockchain.storage().insert_aux(insert, delete)
}
fn get_aux(&self, _key: &[u8]) -> ClientResult<Option<Vec<u8>>> {
Err(ClientErrorKind::NotAvailableOnLightClient.into())
fn get_aux(&self, key: &[u8]) -> ClientResult<Option<Vec<u8>>> {
self.blockchain.storage().get_aux(key)
}
}