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Add typedefs for storage types (#4654)

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* Add typedefs for storage types

* Fix after merge
This commit is contained in:
Stanislav Tkach
2020-01-17 10:20:20 +02:00
committed by Bastian Köcher
parent 20ce6c120c
commit 482ca522cc
19 changed files with 202 additions and 160 deletions
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substrate/client/api/src/backend.rs
+4 -7
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@@ -22,7 +22,10 @@ use sp_core::ChangesTrieConfigurationRange;
use sp_core::offchain::OffchainStorage;
use sp_runtime::{generic::BlockId, Justification, Storage};
use sp_runtime::traits::{Block as BlockT, NumberFor, HasherFor};
use sp_state_machine::{ChangesTrieState, ChangesTrieStorage as StateChangesTrieStorage, ChangesTrieTransaction};
use sp_state_machine::{
ChangesTrieState, ChangesTrieStorage as StateChangesTrieStorage, ChangesTrieTransaction,
StorageCollection, ChildStorageCollection,
};
use crate::{
blockchain::{
Backend as BlockchainBackend, well_known_cache_keys
@@ -45,12 +48,6 @@ pub type TransactionForSB<B, Block> = <B as StateBackend<HasherFor<Block>>>::Tra
/// Extracts the transaction for the given backend.
pub type TransactionFor<B, Block> = TransactionForSB<StateBackendFor<B, Block>, Block>;
/// In memory array of storage values.
pub type StorageCollection = Vec<(Vec<u8>, Option<Vec<u8>>)>;
/// In memory arrays of storage values for multiple child tries.
pub type ChildStorageCollection = Vec<(Vec<u8>, StorageCollection)>;
/// Import operation summary.
///
/// Contains information about the block that just got imported,