-ifndef(PAYMENT_HRL).
-define(PAYMENT_HRL, true).

-type fraction_length() :: integer().
-type digits() :: integer().
-type money() :: {fraction_length(),digits()}.
-type paymentType() :: fiat | crypto.

-record('Payment', { invoice = [] :: [] | term(),
                     volume = [] :: [] | money(),
                     price = {0,1} :: money(),
                     instrument = [] :: term(),
                     type = [] :: paymentType() }).

-endif.