SoftBank.ExchangeRates.CoinMarketCap.Callback.historic_rates_retrieved

You're seeing just the callback historic_rates_retrieved, go back to SoftBank.ExchangeRates.CoinMarketCap.Callback module for more information.
Link to this callback

historic_rates_retrieved(%{}, arg2)

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Specs

historic_rates_retrieved(%{}, Date.t()) :: :ok

Defines the behaviour to retrieve historic exchange rates from an external data source.