lib/history/sources/no_op/candles.ex
defmodule History.Sources.NoOp.Candles do
@type chunk :: History.Candles.CandleHistoryChunk.t()
@spec chunk_range(atom) :: {:error, :not_supported}
def chunk_range(_period) do
{:error, :not_supported}
end
def fetch(_chunk) do
{:error, :not_supported}
end
end