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Use [u8; 4] for well known cache keys (#2152)

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* Use [u8; 4] for well known cache keys

* Use type alias
This commit is contained in:
Stanislav Tkach
2019-04-01 02:56:49 +03:00
committed by DemiMarie-parity
parent 3dfda381d5
commit fbbd79e778
15 changed files with 53 additions and 42 deletions
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substrate/core/client/src/blockchain.rs
+2 -1
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@@ -21,6 +21,7 @@ use std::sync::Arc;
use runtime_primitives::traits::{Block as BlockT, Header as HeaderT, NumberFor};
use runtime_primitives::generic::BlockId;
use runtime_primitives::Justification;
use consensus::well_known_cache_keys;
use crate::error::{ErrorKind, Result};
@@ -100,7 +101,7 @@ pub trait ProvideCache<Block: BlockT> {
/// Blockchain optional data cache.
pub trait Cache<Block: BlockT>: Send + Sync {
/// Returns cached value by the given key.
fn get_at(&self, key: &[u8], block: &BlockId<Block>) -> Option<Vec<u8>>;
fn get_at(&self, key: &well_known_cache_keys::Id, block: &BlockId<Block>) -> Option<Vec<u8>>;
}
/// Blockchain info