Optionalvalue: unknownOptionalcreatedOptionalinitialOptionalis(internal usage) Indicates that the value was created via a fallback. This is used when with data specified in the metadata when the storage entry is empty.
With metadata fallback values (available as defaults on most storage entries) any empty storage item should erturn the default. (This is the same as the implementation on the Bizinikiwi runtime)
Readonlyregistry
Name
GenericExtrinsicEra
Description
The era for an extrinsic, indicating either a mortal or immortal extrinsic