web3author

//SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.17;

contract NumberStorage {
    uint public storedNumber;

    // Storing function
    function setNumber(uint _number) public {
        storedNumber = _number;

web3author

async function main (){    
const NumberStorage = await ethers.getContractFactory("NumberStorage"); // instance of contract
    const numberStorage = await NumberStorage.deploy(); // deploy contract
    console.log("NumberStorage deployed to:", numberStorage.address);
}

main()
    .then(() => process.exit(0))
    .catch(error => {
        console.error(error);

web3author

const {expect}  = require("chai");

describe("NumberStorage Smart Contract", function(){
    it("Should set the value of storedNumber value to the value passed in", async function(){
        const NumberStorage = await ethers.getContractFactory("NumberStorage");
        const numberStorage = await NumberStorage.deploy();
        await numberStorage.setNumber(21)
        console.log(await numberStorage.storedNumber())
        expect(await numberStorage.storedNumber()).to.equal(21)
    })

web3author

/** @type import(‘hardhat/config’).HardhatUserConfig */
require("@nomiclabs/hardhat-waffle")
require("dotenv").config()
module.exports = {
  solidity: "0.8.17",
  networks: {
    goerli: {
      url: process.env.GOERLI_URL,
      accounts: [process.env.PRIVATE_KEY]
    }

web3author

use solana_program::{
    account_info::{next_account_info, AccountInfo},
    entrypoint,
    entrypoint::ProgramResult,
    msg,
    pubkey::Pubkey,
};

// Declare and export the program's entrypoint
entrypoint!(process_instruction);

web3author

const transaction = new web3.Transaction();

transaction.add(
  new web3.TransactionInstruction({
  keys: [],
  programId: new web3.PublicKey(pg.PROGRAM_ID),
  }),
);

console.log("Forwarding Transaction");

web3author

var NumberStorage = artifacts.require("NumberStorage");

module.exports = function(deployer) {
    deployer.deploy(NumberStorage);
};

web3author

const Web3 = require('web3')

const web3 = new Web3("http://10.0.2.15:8545")

const contractAddress = 'XXXXXXXXXXXXXXXXXXX'

const abi = [{"inputs":[],"name":"getNumber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_number","type":"uint256"}],"name":"setNumber","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"storedNumber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

const NumberStorage = new web3.eth.Contract(abi, contractAddress);

web3author

// Import required modules and components
import './App.css'; // Importing the App.css file for styling
import { useState, useEffect } from "react"; // Importing the useState and useEffect hooks from React
import { ethers } from "ethers"; // Importing ethers library for interacting with Ethereum
import Fetch from "./components/Fetch"; // Importing the Fetch component
import Store from "./components/Store"; // Importing the Store component

function App() {

  // Set initial state using the useState hook

web3author

import { useState, useEffect } from "react";

// This is a functional component named 'Fetch' that receives the 'state' object as a prop.
const Fetch = ({ state }) => {
  // The 'contract' object is destructured from the 'state' object.
  const { contract } = state;

  // This creates a new state variable named 'storedNumber' and a function named 'setStoredNumber' to update it
  const [storedNumber, setStoredNumber] = useState("Not Available");