lastAddressFromSeed method
Get the last address from seed @param {String} seed TransactionChain seed
Implementation
Future<String> lastAddressFromSeed(String seed) async {
final String genesisAddress = crypto.deriveAddress(seed, 0);
final Map<String, String> lastAddressMap =
await lastAddressFromAddress([genesisAddress]);
return lastAddressMap[genesisAddress] ?? '';
}