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Directly use the new to_memory_db function (#1080)

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This reduces the amount of code a little bit.
This commit is contained in:
Bastian Köcher
2022-03-11 23:01:17 +01:00
committed by GitHub
parent 889c34d8c2
commit c744374f5f
1 changed files with 5 additions and 9 deletions
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cumulus/pallets/parachain-system/src/validate_block/implementation.rs
+5 -9
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@@ -66,19 +66,15 @@ where
let block = B::new(header, extrinsics); let block = B::new(header, extrinsics);
assert!(parent_head.hash() == *block.header().parent_hash(), "Invalid parent hash",); assert!(parent_head.hash() == *block.header().parent_hash(), "Invalid parent hash",);
// Uncompress // Create the db
let mut db = MemoryDB::default(); let (db, root) = match storage_proof.to_memory_db(Some(parent_head.state_root())) {
let root = match sp_trie::decode_compact::<sp_trie::LayoutV1<HashFor<B>>, _, _>( Ok((db, root)) => (db, root),
&mut db,
storage_proof.iter_compact_encoded_nodes(),
Some(parent_head.state_root()),
) {
Ok(root) => root,
Err(_) => panic!("Compact proof decoding failure."), Err(_) => panic!("Compact proof decoding failure."),
}; };
sp_std::mem::drop(storage_proof); sp_std::mem::drop(storage_proof);
let backend = sp_state_machine::TrieBackend::new(db, root); let backend = sp_state_machine::TrieBackend::new(db, *parent_head.state_root());
let _guard = ( let _guard = (
// Replace storage calls with our own implementations // Replace storage calls with our own implementations