Module frame_support::storage::migration

source ·
Expand description

Some utilities for helping access storage with arbitrary key types.

Structs§

Functions§

  • Attempt to remove all values under a storage prefix 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.
  • 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.