// Copyright 2018, Beeswax.IO Inc.
//
// Currency related information

syntax = "proto3";
package currency;

option java_package = "com.beeswax.base";

message Currency {
  enum Code {
    UNKNOWN = 0;
    USD = 1;  // US Dollar
    EUR = 2;  // Euro
    GBP = 3;  // Pound Sterling
    CAD = 4;  // Canadian Dollar
    CHF = 5;  // Swiss Franc
    UAH = 6;  // Ukrainian hryvnia
    JPY = 7;  // Japanese Yen
  }
}

// Next id: 3
message ExchangeRateUSD {
  Currency.Code currency_code = 1;
  double rate = 2;
}

// Next id: 2
message CurrencyExchangeRateUSDTable {
  repeated ExchangeRateUSD rates = 1;
}

// Next id: 3
// CurrencyAmount represents an amount of money in a local currency (micros).
message CurrencyAmount {
  // how much money
  int64 micros = 1;
  // in what unit
  Currency.Code currency = 2;
}

// Next id: 3
// CurrencyTransaction represents an amount of
// currency at a particular exchange rate.
message CurrencyTransaction {
  // how much money
  CurrencyAmount amount = 1;
  // exchange rate in effect at time of transaction
  double rate = 2;
}