Matteo Muraca a9277002b9 mutate_exists for StorageValue with ValueQuery (#13245)
* mutate_exists for StorageValue with ValueQuery

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

* added `#[crate::storage_alias]` to tests

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

* added StorageEntryMetadata

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

* Update frame/support/src/lib.rs

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Signed-off-by: muraca <mmuraca247@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
2023-01-27 23:47:17 +00:00
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