toJson method
Implementation
Map<String, dynamic> toJson() {
final json = <String, dynamic>{};
json[r'order_id'] = this.orderId;
json[r'seller'] = this.seller;
json[r'buyer'] = this.buyer;
json[r'code'] = this.code;
json[r'quantity'] = this.quantity;
json[r'price'] = this.price;
json[r'sold_at'] = this.soldAt.toUtc().toIso8601String();
return json;
}