PaymentResponse constructor
      
      PaymentResponse({})
     
    
    
Implementation
PaymentResponse({
  required this.status,
  required this.message,
  this.transactionId,
  this.orderId,
  this.provider,
  this.errorCode,
  this.rawResponse,
  DateTime? timestamp,
  this.amount,
  this.currency,
  this.metadata,
}) : timestamp = timestamp ?? DateTime.now();