getAssetBalance method
Implementation
@override
Future<Balance> getAssetBalance({
required int walletId,
required String assetId,
}) async {
final result = await methodChannel.invokeMethod<Map>('getAssetBalance', {
'walletId': walletId,
'assetId': assetId,
});
return Balance.fromJson(Map<String, dynamic>.from(result!));
}