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sp_io::default_child_storage

Function root

Source 
pub fn root(
    storage_key: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
    version: <PassAs<StateVersion, u8> as RIType>::Inner,
) -> <AllocateAndReturnFatPointer<Vec<u8>> as RIType>::Inner
Expand description

Default child root calculation.

“Commit” all existing operations and compute the resulting child storage root. The hashing algorithm is defined by the Block.

Returns a Vec<u8> that holds the SCALE encoded hash.