serialize method

@override void serialize(List<int> buffer)

Serialize.

Implementation

@override
void serialize(List<int> buffer) {
  // Write type-id 0x6ebdff91.
  buffer.writeInt32(0x6ebdff91);

  // Write fields.
  buffer.writeDateTime(purchaseDate);
  buffer.writeString(currency);
  buffer.writeInt64(amount);
  buffer.writeString(cryptoCurrency);
  buffer.writeInt64(cryptoAmount);
  buffer.writeString(url);

  // Finished serialization.
}