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Modify doublemap syntax (#4576)

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* modify doublemap syntax

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
thiolliere
2020-01-10 11:52:56 +01:00
committed by Gavin Wood
parent 3d74b9b669
commit b74c88b3cc
15 changed files with 41 additions and 40 deletions
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substrate/frame/session/src/lib.rs
+4 -2
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@@ -398,13 +398,15 @@ decl_storage! {
///
/// The first key is always `DEDUP_KEY_PREFIX` to have all the data in the same branch of
/// the trie. Having all data in the same branch should prevent slowing down other queries.
NextKeys: double_map hasher(twox_64_concat) Vec<u8>, blake2_256(T::ValidatorId) => Option<T::Keys>;
NextKeys: double_map hasher(twox_64_concat) Vec<u8>, hasher(blake2_256) T::ValidatorId
=> Option<T::Keys>;
/// The owner of a key. The second key is the `KeyTypeId` + the encoded key.
///
/// The first key is always `DEDUP_KEY_PREFIX` to have all the data in the same branch of
/// the trie. Having all data in the same branch should prevent slowing down other queries.
KeyOwner: double_map hasher(twox_64_concat) Vec<u8>, blake2_256((KeyTypeId, Vec<u8>)) => Option<T::ValidatorId>;
KeyOwner: double_map hasher(twox_64_concat) Vec<u8>, hasher(blake2_256) (KeyTypeId, Vec<u8>)
=> Option<T::ValidatorId>;
}
add_extra_genesis {
config(keys): Vec<(T::ValidatorId, T::Keys)>;