[
  {
    "inputs": [{ "internalType": "string", "name": "value", "type": "string" }],
    "stateMutability": "nonpayable",
    "type": "constructor"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "author",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "address",
        "name": "oldAuthor",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "string",
        "name": "oldValue",
        "type": "string"
      },
      {
        "indexed": false,
        "internalType": "string",
        "name": "newValue",
        "type": "string"
      }
    ],
    "name": "ValueChanged",
    "type": "event"
  },
  {
    "inputs": [],
    "name": "_hashPuzzle",
    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "getValue",
    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "lastSender",
    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [{ "internalType": "string", "name": "value", "type": "string" }],
    "name": "setValue",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      { "internalType": "string", "name": "value", "type": "string" },
      { "internalType": "string", "name": "value2", "type": "string" }
    ],
    "name": "setValues",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]

