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Allow transaction for offchain indexing (#7290)

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* Moving offchain change set to state machine overlay change set,
preparing use of change set internally.

* Make change set generic over key and value, and use it for offchain
indexing.

* test ui change

* remaining delta

* generating with standard method

* Remove 'drain_committed' function, and documentation.

* Default constructor for enabling offchain indexing.

* Remove offchain change specific iterators.

* remove pub accessor

* keep previous hierarchy, just expose iterator instead.

* Update primitives/state-machine/src/overlayed_changes/mod.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* fix line break

* missing renamings

* fix import

* fix new state-machine tests.

* Don't expose InnerValue type.

* Add test similar to set_storage.

* Remove conditional offchain storage (hard to instantiate correctly).

* fix

* offchain as children cannot fail if top doesn't

Co-authored-by: Addie Wagenknecht <addie@nortd.com>
Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
This commit is contained in:
cheme
2021-01-22 13:27:43 +01:00
committed by GitHub
parent 20f40fbd12
commit 878f7ccf6e
13 changed files with 382 additions and 249 deletions
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substrate/client/db/src/lib.rs
+5 -5
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@@ -67,7 +67,7 @@ use hash_db::Prefix;
use sp_trie::{MemoryDB, PrefixedMemoryDB, prefixed_key};
use sp_database::Transaction;
use sp_core::{Hasher, ChangesTrieConfiguration};
use sp_core::offchain::storage::{OffchainOverlayedChange, OffchainOverlayedChanges};
use sp_core::offchain::OffchainOverlayedChange;
use sp_core::storage::{well_known_keys, ChildInfo};
use sp_arithmetic::traits::Saturating;
use sp_runtime::{generic::{DigestItem, BlockId}, Justification, Storage};
@@ -76,7 +76,7 @@ use sp_runtime::traits::{
};
use sp_state_machine::{
DBValue, ChangesTrieTransaction, ChangesTrieCacheAction, UsageInfo as StateUsageInfo,
StorageCollection, ChildStorageCollection,
StorageCollection, ChildStorageCollection, OffchainChangesCollection,
backend::Backend as StateBackend, StateMachineStats,
};
use crate::utils::{DatabaseType, Meta, meta_keys, read_db, read_meta};
@@ -667,7 +667,7 @@ pub struct BlockImportOperation<Block: BlockT> {
db_updates: PrefixedMemoryDB<HashFor<Block>>,
storage_updates: StorageCollection,
child_storage_updates: ChildStorageCollection,
offchain_storage_updates: OffchainOverlayedChanges,
offchain_storage_updates: OffchainChangesCollection,
changes_trie_updates: MemoryDB<HashFor<Block>>,
changes_trie_build_cache_update: Option<ChangesTrieCacheAction<Block::Hash, NumberFor<Block>>>,
changes_trie_config_update: Option<Option<ChangesTrieConfiguration>>,
@@ -680,7 +680,7 @@ pub struct BlockImportOperation<Block: BlockT> {
impl<Block: BlockT> BlockImportOperation<Block> {
fn apply_offchain(&mut self, transaction: &mut Transaction<DbHash>) {
for ((prefix, key), value_operation) in self.offchain_storage_updates.drain() {
for ((prefix, key), value_operation) in self.offchain_storage_updates.drain(..) {
let key = crate::offchain::concatenate_prefix_and_key(&prefix, &key);
match value_operation {
OffchainOverlayedChange::SetValue(val) =>
@@ -798,7 +798,7 @@ impl<Block: BlockT> sc_client_api::backend::BlockImportOperation<Block> for Bloc
fn update_offchain_storage(
&mut self,
offchain_update: OffchainOverlayedChanges,
offchain_update: OffchainChangesCollection,
) -> ClientResult<()> {
self.offchain_storage_updates = offchain_update;
Ok(())