Module well_known_keys

List of all well known keys and prefixes in storage.

Constants

CHILD_STORAGE_KEY_PREFIX

Prefix of child storage keys.

CODE

Wasm code of the runtime.

DEFAULT_CHILD_STORAGE_KEY_PREFIX

Prefix of the default child storage keys in the top trie.

EXTRINSIC_INDEX

Current extrinsic index (u32) is stored under this key.

HEAP_PAGES

Number of wasm linear memory pages required for execution of the runtime.

INTRABLOCK_ENTROPY

Current intra-block entropy (a universally unique [u8; 32] value) is stored here.

Functions

is_child_storage_key

Whether a key is a child storage key.

is_default_child_storage_key

Whether a key is a default child storage key.

starts_with_child_storage_key

Returns if the given key starts with CHILD_STORAGE_KEY_PREFIX or collides with it.