code: def from_xdr_object(cls, op_xdr_object):
          
          if not op_xdr_object.sourceAccount:
              source = None
          else:
              source = encode_check(
                  'account', op_xdr_object.sourceAccount[0].ed25519).decode()
  
          destination = encode_check(
              'account',
              op_xdr_object.body.paymentOp.destination.ed25519).decode()
          asset = Asset.from_xdr_object(op_xdr_object.body.paymentOp.asset)
          amount = Operation.from_xdr_amount(op_xdr_object.body.paymentOp.amount)
  
          return cls(
              source=source,
              destination=destination,
              asset=asset,
              amount=amount,
          )
docs: Creates a :class:`Payment` object from an XDR Operation
          object.