Payment constructor
Payment()
Implementation
Payment(this.transaction_uuid, this.created_at,
this.updated_at, this.status_code, String currency,
this.status_denom, this.description, this.merchant_op_id,
this.price_total, this.items, this.links) {
for (var element in Currency.values) {
if(element.name == currency){
this.currency = element;
}
}
for (var element in StatusDenom.values) {
if(element.name == status_denom){
status = element;
}
}
}