toJson method
Implementation
Map<String, dynamic> toJson() {
final catHex = categoryId
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join();
return {
'categoryId': catHex,
'name': name,
'symbol': symbol,
'decimals': decimals,
if (description != null) 'description': description,
if (iconUri != null) 'iconUri': iconUri,
};
}