Function onClockBack

src/App.js:169–184

()

  }

  function onClockBack() {
    if(clock === 0) return;
    if(clock <= lastClock()) setClock(clock - 1);
    let value = input;
    if(clock === 1) value = '';
    let result = shaStepped(value, firstLoop(clock - 2), secondLoop(clock - 2), chunksLoop(clock));

    setWView(result.w);
    setResult(result.hash);
    setLetters(result.letters);
    setLettersBefore(result.lettersBefore);
    setHs(result.hs);
    setHsBefore(result.hsBefore);

    ReactGA.event('onClockBack');
  }

  function firstLoop(clock) {
    let step = clock%114; // 115