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Ref.

• https://index.xe.network/token/current
• https://index.xe.network/token/lastweek

The API makes the online field available. Yet the field is not available in the Session type.
https://index.xe.network/session/xe_7a65d81dC21E87d593aC30DFe0AcbC2622bbdAE8

Ref. https://index.xe.network/exchangerate

Problem:
Currently, there is no easy way to fetch historical exchange rate data from the official index utils API.

Rationale:
There are several potential use cases. I'd to highlight this use case one: A node owner might need historical exchange rate data of node earnings for tax purposes. Governments still want earnings from crypto to be paid in FIAT so it's good to allow compatible interaction.

Solution:
The index-utils already supports fetching the current exchange rate via exchangeRate.current():
https://github.com/edge/index-utils#exchange-rate

The SDK could be extended with exchangeRate.historical(date) or a similar function name.

Ref. https://index.xe.network/gasrates

As with recent index/wallet/explorer updates, there is now an option to hide released stakes. Whilst it does currently work still in index-utils, it would be best to add the hideReleased param into the options.

https://github.com/edge/index/pull/154
edge/wallet#238
edge/explorer#161