convertJson static method
Implementation
static Fee convertJson(Map<String, dynamic> jsonObject) {
double? makerFeeRate = double.parse(jsonObject['maker_fee_rate']);
double? takerFeeRate = double.parse(jsonObject['taker_fee_rate']);
double? usdVolume =
nullableDouble(jsonObject, 'usd_volume', notNullable: true);
return Fee(makerFeeRate, takerFeeRate, usdVolume);
}