Trade.fromCBJson constructor
Creates a Trade from a Coinbase JSON object.
Implementation
Trade.fromCBJson(Map<String, dynamic> json)
: tradeId = json['trade_id'],
productId = json['product_id'],
price = double.parse(json['price']),
size = double.parse(json['size']),
time = DateTime.parse(json['time']),
side = json['side'],
bid = nullableDouble(json, 'bid'),
ask = nullableDouble(json, 'ask');