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Align trie iteration to substrate. (#90)

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* Align trie iteration to substrate.

* Can use expect on trie error, remove debug_assert
This commit is contained in:
cheme
2020-05-07 09:38:59 +02:00
committed by GitHub
parent 3cff2f8f40
commit 66b5c97c80
1 changed files with 2 additions and 10 deletions
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cumulus/runtime/src/validate_block/implementation.rs
+2 -10
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@@ -25,7 +25,7 @@ use sp_trie::{delta_trie_root, read_trie_value, Layout, MemoryDB};
use hash_db::{HashDB, EMPTY_PREFIX}; use hash_db::{HashDB, EMPTY_PREFIX};
use trie_db::{Trie, TrieDB}; use trie_db::{Trie, TrieDB, TrieDBIterator};
use parachain::primitives::{HeadData, ValidationCode, ValidationParams, ValidationResult}; use parachain::primitives::{HeadData, ValidationCode, ValidationParams, ValidationResult};
@@ -215,16 +215,8 @@ impl<B: BlockT> Storage for WitnessStorage<B> {
Err(_) => panic!(), Err(_) => panic!(),
}; };
let mut iter = trie.iter().expect("Creates trie iterator"); for x in TrieDBIterator::new_prefixed(&trie, prefix).expect("Creates trie iterator") {
iter.seek(prefix).expect("Seek trie iterator");
for x in iter {
let (key, _) = x.expect("Iterating trie iterator"); let (key, _) = x.expect("Iterating trie iterator");
if !key.starts_with(prefix) {
break;
}
self.overlay.insert(key, None); self.overlay.insert(key, None);
} }
} }