syntax = "proto3";
package common.money.v1;
option go_package = "github.com/tech/sendico/pkg/proto/common/money/v1;moneyv1";

message Decimal { string value = 1; } // exact decimal as string

message Money {
  string amount   = 1; // decimal string
  string currency = 2; // ISO 4217 or your code set
}

enum RoundingMode {
  ROUNDING_MODE_UNSPECIFIED = 0;
  ROUND_HALF_EVEN = 1;
  ROUND_HALF_UP   = 2;
  ROUND_DOWN      = 3;
}

message CurrencyMeta {
  string code = 1;
  uint32 decimals = 2;
  RoundingMode rounding = 3;
}