Module frame_support::storage::migration[][src]

Expand description

Some utilities for helping access storage with arbitrary key types.

Structs

Utility to iterate through raw items in storage.

Utility to iterate through raw items in storage.

Functions

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

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

Move all storages from a pallet prefix to another pallet prefix.

Move all (key, value) after some prefix to the another prefix

Move a storage from a pallet prefix to another pallet prefix.

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

Remove all items under a storage prefix by the module, the map’s item name and the key hash.

Construct iterator to iterate over map items in module for the map called item.

Construct iterator to iterate over map items in module for the map called item.

Construct iterator to iterate over map items in module for the map called item.

Construct iterator to iterate over map items in module for the map called item.

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

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