ticker method

Stream<Map> ticker()

stream output of best block

Implementation

Stream<Map> ticker() async* {
  Map oldBlock = await getBlock();
  while (true) {
    Map newBlock = await getBlock();
    if (newBlock['id'] != oldBlock['id']) {
      oldBlock = newBlock;
      yield newBlock;
    } else {
      sleep(const Duration(seconds: 1));
    }
  }
}