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implemented contains_prefix for StorageDoubleMap and StorageNMap (#13232)

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* implemented `contains_prefix` for StorageDoubleMap and StorageNMap

Signed-off-by: muraca <mmuraca247@gmail.com>

* match prefix to next_key

Signed-off-by: muraca <mmuraca247@gmail.com>

* warning unexpected behaviour with empty keys

Signed-off-by: muraca <mmuraca247@gmail.com>

* clarifications for unhashed::contains_prefixed_key

Signed-off-by: muraca <mmuraca247@gmail.com>

* added tests for StorageNMap

Signed-off-by: muraca <mmuraca247@gmail.com>

---------

Signed-off-by: muraca <mmuraca247@gmail.com>
This commit is contained in:
Matteo Muraca
2023-02-01 18:11:34 +01:00
committed by GitHub
parent 320a9ce3c9
commit 70a2290251
4 changed files with 70 additions and 1 deletions
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substrate/frame/support/src/storage/generator/double_map.rs
+7
View File
@@ -233,6 +233,13 @@ where
.into()
}
fn contains_prefix<KArg1>(k1: KArg1) -> bool
where
KArg1: EncodeLike<K1>,
{
unhashed::contains_prefixed_key(Self::storage_double_map_final_key1(k1).as_ref())
}
fn iter_prefix_values<KArg1>(k1: KArg1) -> storage::PrefixIterator<V>
where
KArg1: ?Sized + EncodeLike<K1>,
substrate/frame/support/src/storage/generator/nmap.rs
+7
View File
@@ -208,6 +208,13 @@ where
)
}
fn contains_prefix<KP>(partial_key: KP) -> bool
where
K: HasKeyPrefix<KP>,
{
unhashed::contains_prefixed_key(&Self::storage_n_map_partial_key(partial_key))
}
fn iter_prefix_values<KP>(partial_key: KP) -> PrefixIterator<V>
where
K: HasKeyPrefix<KP>,