Module frame_support::storage::migration

Some utilities for helping access storage with arbitrary key types.

Structs

StorageIterator

Utility to iterate through raw items in storage.

StorageKeyIterator

Utility to iterate through raw items in storage.

Functions

get_storage_value

Get a particular value in storage by the module, the map’s item name and the key hash.

have_storage_value

Get a particular value in storage by the module, the map’s item name and the key hash.

put_storage_value

Put a particular value into storage by the module, the map’s item name and the key hash.

remove_storage_prefix

Get a particular value in storage by the module, the map’s item name and the key hash.

take_storage_item

Get a particular value in storage by the module, the map’s item name and the key hash.

take_storage_value

Take a particular value in storage by the module, the map’s item name and the key hash.