toJson method
Implementation
Map<String, dynamic> toJson() => {
'address': address,
'username': username,
'stripeExists': stripeExists,
'coins': coins.map((Balance balance) => balance.toJson()).toList(),
'items': items.map((Item item) => item.toProto3Json()).toList(),
'supportedCoins':
supportedCoins.map((supportedCoin) => supportedCoin).toList()
};