}
@Override
public ExportedBlockKeys getBlockKeys() throws IOException {
try {
GetBlockKeysResponseProto rsp = rpcProxy.getBlockKeys(NULL_CONTROLLER,
VOID_GET_BLOCKKEYS_REQUEST);
return rsp.hasKeys() ? PBHelper.convert(rsp.getKeys()) : null;
} catch (ServiceException e) {
throw ProtobufHelper.getRemoteException(e);
}
}