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Use header cache for blockhain cache (#5929)

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This commit is contained in:
Arkadiy Paronyan
2020-05-07 12:49:30 +02:00
committed by GitHub
parent eff1680aed
commit 427c33f16f
5 changed files with 34 additions and 23 deletions
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substrate/client/db/src/lib.rs
+5 -4
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@@ -368,7 +368,7 @@ pub struct BlockchainDb<Block: BlockT> {
db: Arc<dyn Database<DbHash>>,
meta: Arc<RwLock<Meta<NumberFor<Block>, Block::Hash>>>,
leaves: RwLock<LeafSet<Block::Hash, NumberFor<Block>>>,
header_metadata_cache: HeaderMetadataCache<Block>,
header_metadata_cache: Arc<HeaderMetadataCache<Block>>,
}
impl<Block: BlockT> BlockchainDb<Block> {
@@ -379,7 +379,7 @@ impl<Block: BlockT> BlockchainDb<Block> {
db,
leaves: RwLock::new(leaves),
meta: Arc::new(RwLock::new(meta)),
header_metadata_cache: HeaderMetadataCache::default(),
header_metadata_cache: Arc::new(HeaderMetadataCache::default()),
})
}
@@ -505,7 +505,7 @@ impl<Block: BlockT> HeaderMetadata<Block> for BlockchainDb<Block> {
type Error = sp_blockchain::Error;
fn header_metadata(&self, hash: Block::Hash) -> Result<CachedHeaderMetadata<Block>, Self::Error> {
self.header_metadata_cache.header_metadata(hash).or_else(|_| {
self.header_metadata_cache.header_metadata(hash).map_or_else(|| {
self.header(BlockId::hash(hash))?.map(|header| {
let header_metadata = CachedHeaderMetadata::from(&header);
self.header_metadata_cache.insert_header_metadata(
@@ -514,7 +514,7 @@ impl<Block: BlockT> HeaderMetadata<Block> for BlockchainDb<Block> {
);
header_metadata
}).ok_or(ClientError::UnknownBlock(format!("header not found in db: {}", hash)))
})
}, Ok)
}
fn insert_header_metadata(&self, hash: Block::Hash, metadata: CachedHeaderMetadata<Block>) {
@@ -831,6 +831,7 @@ impl<Block: BlockT> Backend<Block> {
let offchain_storage = offchain::LocalStorage::new(db.clone());
let changes_tries_storage = DbChangesTrieStorage::new(
db,
blockchain.header_metadata_cache.clone(),
columns::META,
columns::CHANGES_TRIE,
columns::KEY_LOOKUP,