@spec get_controller(GRPC.Channel.t()) ::
  {:ok, Kujira.Usk.Controller.t()} | {:error, :not_found}

Fetches the Controller contract and its current config from the chain

@spec get_margin(GRPC.Channel.t(), String.t()) ::
  {:ok, Kujira.Usk.Margin.t()} | {:error, :not_found}

Fetches the Margin contract and its current config from the chain

@spec get_market(GRPC.Channel.t(), String.t()) ::
  {:ok, Kujira.Usk.Market.t()} | {:error, :not_found}

Fetches the Market contract and its current config from the chain

@spec list_margins(GRPC.Channel.t(), [integer()]) ::
  {:ok, [Kujira.Usk.Margin.t()]} | {:error, GRPC.RPCError.t()}

Fetches all Margins

@spec list_markets(GRPC.Channel.t(), [integer()]) ::
  {:ok, [Kujira.Usk.Market.t()]} | {:error, GRPC.RPCError.t()}

Fetches all Markets

@spec list_positions(GRPC.Channel.t(), Kujira.Usk.Market.t()) :: [
  Kujira.Usk.Position.t()
]

Loads all positions via query_state_all, inheriting the same memoization

@spec load_margin(GRPC.Channel.t(), Kujira.Usk.Margin.t()) ::
  {:ok, Kujira.Usk.Margin.t()} | {:error, GRPC.RPCError.t()}

Loads the current Status into the Margin.market

@spec load_market(GRPC.Channel.t(), Kujira.Usk.Market.t()) ::
  {:ok, Kujira.Usk.Market.t()} | {:error, GRPC.RPCError.t()}

Loads the current Status into the Market

@spec load_orca_market(
  GRPC.Channel.t(),
  Kujira.Usk.Market.t() | Kujira.Usk.Margin.t(),
  integer() | nil
) ::
  {:ok, Kujira.Orca.Market.t()} | {:error, GRPC.RPCError.t()}

Loads the Market into a format that Orca can consume for health reporting. Default Memoization to 10 mins

Can be used for both a Ghost.Market and Ghost.Margin.market, as they both use the same underlying state schema

@spec load_position(GRPC.Channel.t(), Kujira.Usk.Market.t(), String.t()) ::
  {:ok, Kujira.Usk.Position.t()} | {:error, GRPC.RPCError.t()}

Loads a Position by borrower address

@spec stream_positions(GRPC.Channel.t(), Kujira.Usk.Market.t()) :: %Stream{
  accs: term(),
  done: term(),
  enum: term(),
  funs: term()
}

Creates a lazy stream for fetching all positions for a Market