toJson method
Converts a Fill to a JSON object.
Implementation
Map<String, dynamic> toJson() => {
'entryId': entryId,
'tradeId': tradeId,
'orderId': orderId,
'tradeTime': tradeTime?.toIso8601String(),
'tradeType': tradeType,
'price': price,
'size': size,
'commission': commission,
'productId': productId,
'sequenceTimestamp': sequenceTimestamp?.toIso8601String(),
'liquidityIndicator': liquidityIndicator,
'sizeInQuote': sizeInQuote,
'userId': userId,
'side': side
};