import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart'; import 'package:stackwallet/wallets/wallet/wallet.dart'; mixin MultiAddress<T extends CryptoCurrency> on Wallet<T> { Future<void> generateNewReceivingAddress(); Future<void> checkReceivingAddressForTransactions(); Future<void> generateNewChangeAddress(); Future<void> checkChangeAddressForTransactions(); }