app.js

var contractAbi = [
  {
    anonymous: false,
    inputs: [
      {
        indexed: false,
        internalType: "uint256",
        name: "index",
        type: "uint256",
      },
    ],
    name: "Added",
    type: "event",
  },
  {
    inputs: [
      {
        internalType: "uint256",
        name: "_productId",
        type: "uint256",
      },
      {
        internalType: "string",
        name: "info",
        type: "string",
      },
    ],
    name: "addState",
    outputs: [
      {
        internalType: "string",
        name: "",
        type: "string",
      },
    ],
    stateMutability: "nonpayable",
    type: "function",
  },
  {
    inputs: [
      {
        internalType: "string",
        name: "_a",
        type: "string",
      },
      {
        internalType: "string",
        name: "_b",
        type: "string",
      },
    ],
    name: "concat",
    outputs: [
      {
        internalType: "string",
        name: "",
        type: "string",
      },
    ],
    stateMutability: "nonpayable",
    type: "function",
  },
  {
    inputs: [
      {
        internalType: "string",
        name: "_text",
        type: "string",
      },
      {
        internalType: "string",
        name: "_date",
        type: "string",
      },
    ],
    name: "newItem",
    outputs: [
      {
        internalType: "bool",
        name: "",
        type: "bool",
      },
    ],
    stateMutability: "nonpayable",
    type: "function",
  },
  {
    inputs: [
      {
        internalType: "uint256",
        name: "_productId",
        type: "uint256",
      },
    ],
    name: "searchProduct",
    outputs: [
      {
        internalType: "string",
        name: "",
        type: "string",
      },
    ],
    stateMutability: "nonpayable",
    type: "function",
  },
]; // Paste Contract Here

var contractAddress = "0x9E14297771452B2235a401F6E7D914274B43ffE0"; // Paste Address here