lastAddress method Null safety

Future<String> lastAddress(
  1. String seed,
  2. String endpoint
)

Get the last address @param {String} seed TransactionChain seed @param {String} endpoint

Implementation

Future<String> lastAddress(String seed, String endpoint) async {
  final String genesisAddress = deriveAddress(seed, 0);
  final int index =
      await ApiService().getTransactionIndex(genesisAddress, endpoint);
  final String lastAddress = deriveAddress(seed, index);
  return lastAddress;
}