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Historical

undefined## Storage

historicalSessions​

Mapping from historical session indices to session-data root hash and validator count.

Namespace​

api.query.historical.historicalSessions

Type​

function historicalSessions(
  u32
): Option<(H256,u32)>

storedRange​

The range of historical sessions we store. [first, last)

Namespace​

api.query.historical.storedRange

Type​

function storedRange(

): Option<(u32,u32)>

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