.swift

enum TranslationType : String, Codable {
    case international
    case domestic
}

class Transaction : Codable  {
    
    var from :String
    var to :String
    var amount :Double
    var fees :Double = 0.0
    var transactionType :TranslationType = .domestic
    
    init(from :String, to:String, amount :Double, transactionType :TranslationType = .domestic) {
        self.from = from
        self.to = to
        self.amount = amount
        self.transactionType = transactionType
    }    
}