Specs

encode_params(map(), map()) :: String.t()

Encodes HTTP request.

Specs

handle_resp(
  {:ok, HTTPoison.Response.t()} | {:error, HTTPoison.Error.t()},
  atom()
) ::
  {:ok, any()} | {:error, HTTPoison.Error.t() | Dwolla.Errors.t() | any()}

Handles HTTP response from Dwolla.

Specs

idempotency_header(map()) :: map()

Creates a idempotency header with an MD5 hash of the parameters submitted or provided binary value.

Converts request payload to Dwolla-friendly camel case.

Converts keys in Dwolla response to Elixir-friendly snake case.

Specs

validate_params(map(), list()) :: :ok | :error

Validates parameter payload against a list of required fields.