beginner zk

beginner_zk_step1.js

function add(a, b, c) {
  return (hash(hash(a) + hash(b)) == hash(c));
}

function sub(a, b, c) {
  return (hash(hash(a) - hash(b)) == hash(c));
}

function hash(a) {
  if(a < 0) {
    return hash(a + 23)
  } else {
    return a % 23;
  }
}

// true
// 1 + 2 = 3
console.log(add(1, 2, 3));
// 100 + 200 = 300
console.log(add(100, 200, 300));
console.log(add(120, 150, 270));
console.log(add(51, 52, 103));
console.log(sub(52, 51, 1));
console.log(sub(123, 87, 36));

// false
console.log(add(2, 50, 51));