Expand description

Interface for accessing the child storage for default child trie, from within the runtime.


  • Provides implementations for the extern host functions.


  • Clear a child storage key.
  • Clear the child storage of each key-value pair where the key starts with the given prefix.
  • Check a child storage key.
  • Get a default child storage value for a given key.
  • Child storage key iteration.
  • Allocation efficient variant of get.
  • Default child root calculation.
  • Set a child storage value.
  • Clear a child storage key.