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Cleanup of the state-machine crate (#3524)

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* Start refactoring state-machine crate

* More improvement to state-machine

* Fix tests compilation on master and remove warnings

* Fix compilation

* Apply suggestions from code review

Co-Authored-By: Sergei Pepyakin <sergei@parity.io>

* Update core/state-machine/src/basic.rs

Co-Authored-By: DemiMarie-parity <48690212+DemiMarie-parity@users.noreply.github.com>

* Line width

* Update core/primitives/src/storage.rs

Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com>

* Update core/state-machine/src/error.rs

Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com>

* Review feedback
This commit is contained in:
Bastian Köcher
2019-09-10 17:00:00 +02:00
committed by GitHub
parent 2beeda1488
commit 9607afd629
37 changed files with 781 additions and 674 deletions
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substrate/core/trie/src/lib.rs
-19
View File
@@ -166,25 +166,6 @@ pub fn read_trie_value_with<
Ok(TrieDB::<L>::new(&*db, root)?.get_with(key, query).map(|x| x.map(|val| val.to_vec()))?)
}
/// Determine whether a child trie key is valid.
///
/// For now, the only valid child trie key is `:child_storage:default:`.
///
/// `child_trie_root` and `child_delta_trie_root` can panic if invalid value is provided to them.
pub fn is_child_trie_key_valid<L: TrieConfiguration>(storage_key: &[u8]) -> bool {
use primitives::storage::well_known_keys;
let has_right_prefix = storage_key.starts_with(b":child_storage:default:");
if has_right_prefix {
// This is an attempt to catch a change of `is_child_storage_key`, which
// just checks if the key has prefix `:child_storage:` at the moment of writing.
debug_assert!(
well_known_keys::is_child_storage_key(&storage_key),
"`is_child_trie_key_valid` is a subset of `is_child_storage_key`",
);
}
has_right_prefix
}
/// Determine the default child trie root.
pub fn default_child_trie_root<L: TrieConfiguration>(_storage_key: &[u8]) -> Vec<u8> {
L::trie_root::<_, Vec<u8>, Vec<u8>>(core::iter::empty()).as_ref().iter().cloned().collect()