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add hashed_key_for() getter method for StorageDoubleMap (#4120)

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This commit is contained in:
Eric
2019-11-19 02:44:31 +13:00
committed by Bastian Köcher
parent 33b3865858
commit 9c6368f87c
2 changed files with 13 additions and 0 deletions
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substrate/paint/support/src/storage/generator/double_map.rs
+8
View File
@@ -89,6 +89,14 @@ where
{
type Query = G::Query;
fn hashed_key_for<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Vec<u8>
where
KArg1: EncodeLike<K1>,
KArg2: EncodeLike<K2>,
{
Self::storage_double_map_final_key(k1, k2)
}
fn exists<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> bool
where
KArg1: EncodeLike<K1>,
substrate/paint/support/src/storage/mod.rs
+5
View File
@@ -264,6 +264,11 @@ pub trait StorageDoubleMap<K1: FullEncode, K2: FullEncode, V: FullCodec> {
/// The type that get/take returns.
type Query;
fn hashed_key_for<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Vec<u8>
where
KArg1: EncodeLike<K1>,
KArg2: EncodeLike<K2>;
fn exists<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> bool
where
KArg1: EncodeLike<K1>,