Historical

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Storage functions

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HistoricalSessions

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

Python

result = substrate.query(
    'Historical', 'HistoricalSessions', ['u32']
)

Return value

('scale_info::12', 'u32')

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StoredRange

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

Python

result = substrate.query(
    'Historical', 'StoredRange', []
)

Return value

('u32', 'u32')

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