diff --git a/17-web3-counter/.gitignore b/17-web3-counter/.gitignore
new file mode 100644
index 00000000..f9de6315
--- /dev/null
+++ b/17-web3-counter/.gitignore
@@ -0,0 +1,5 @@
+node_modules
+.env
+.cache
+coverage
+artifacts
\ No newline at end of file
diff --git a/17-web3-counter/README.md b/17-web3-counter/README.md
new file mode 100644
index 00000000..17f1e198
--- /dev/null
+++ b/17-web3-counter/README.md
@@ -0,0 +1,199 @@
+# Web3-counter
+
+A full-stack Web3 Counter DApp using **Solidity + Hardhat** for smart contracts and **Next.js + wagmi + RainbowKit** for the frontend.
+
+---
+
+## 🚀 Project Summary
+This project demonstrates:
+- A simple **Counter contract** with increment/decrement
+- **Hardhat** for compile, test, local node, deploy
+- **Next.js frontend** with wallet connection
+- Tailwind CSS styling
+- Deployed & tested on **Sepolia Testnet**
+
+---
+
+## ✅ Prerequisites
+- Node.js **>= 18** (`node -v`)
+- npm (or yarn/pnpm)
+- Git (optional)
+- Browser wallet (MetaMask)
+- (Optional) Alchemy/Infura/QuickNode Sepolia RPC
+- Basic terminal knowledge
+
+---
+## 📜 Smart Contract
+
+**`contracts/Counter.sol`**
+```solidity
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.24;
+
+contract Counter {
+ int256 private _value;
+ event Increment(address indexed caller, int256 newValue);
+ event Decrement(address indexed caller, int256 newValue);
+
+ function current() external view returns (int256) {
+ return _value;
+ }
+
+ function increment() external {
+ _value += 1;
+ emit Increment(msg.sender, _value);
+ }
+
+ function decrement() external {
+ _value -= 1;
+ emit Decrement(msg.sender, _value);
+ }
+}```
+
+## ⚙️ Hardhat Config
+
+*hardhat.config.ts*
+
+```import { HardhatUserConfig } from "hardhat/config";
+import "@nomicfoundation/hardhat-toolbox";
+import * as dotenv from "dotenv";
+dotenv.config();
+
+const SEPOLIA_RPC_URL = process.env.SEPOLIA_RPC_URL || "";
+const PRIVATE_KEY = process.env.PRIVATE_KEY || "";
+
+const config: HardhatUserConfig = {
+ solidity: "0.8.28",
+ networks: {
+ sepolia: {
+ url: SEPOLIA_RPC_URL,
+ accounts: PRIVATE_KEY ? [PRIVATE_KEY] : [],
+ chainId: 11155111,
+ },
+ },
+ etherscan: {
+ apiKey: process.env.ETHERSCAN_API_KEY || "",
+ },
+};
+
+export default config;```
+
+##🔑 Environment Variables
+```SEPOLIA_RPC_URL=https://eth-sepolia.g.alchemy.com/v2/YOUR_KEY
+PRIVATE_KEY=0xYOUR_PRIVATE_KEY
+ETHERSCAN_API_KEY=YOUR_API_KEY
+```
+
+## 🚀 Deploy Script
+```
+const hre = require("hardhat");
+
+async function main() {
+ const Counter = await hre.ethers.getContractFactory("Counter");
+ const counter = await Counter.deploy();
+ await counter.deployed();
+ console.log("Counter deployed to:", counter.address);
+}
+
+main().catch((error) => {
+ console.error(error);
+ process.exitCode = 1;
+});
+```
+
+## Root package.json
+
+```
+{
+ "name": "17-web3-counter",
+ "version": "1.0.0",
+ "private": true,
+ "type": "module",
+ "scripts": {
+ "compile": "hardhat compile",
+ "test": "hardhat test",
+ "clean": "hardhat clean",
+ "node": "hardhat node",
+ "deploy:local": "hardhat run scripts/deploy.js --network localhost",
+ "deploy:sepolia": "hardhat run scripts/deploy.js --network sepolia"
+ },
+ "devDependencies": {
+ "hardhat": "^2.26.3",
+ "@nomicfoundation/hardhat-toolbox": "^6.1.0",
+ "ts-node": "^10.9.2",
+ "typescript": "^5.9.2",
+ "@types/node": "^18.0.0",
+ "dotenv": "^17.2.2"
+ }
+}
+```
+
+## 🖥️ Frontend Setup
+
+```npx create-next-app@latest frontend --ts
+cd frontend
+npm install @rainbow-me/rainbowkit wagmi viem
+npm install -D tailwindcss postcss autoprefixer
+npx tailwindcss init -p
+```
+
+**frontend/package.json**
+```
+{
+ "name": "frontend",
+ "version": "0.1.0",
+ "private": true,
+ "scripts": {
+ "dev": "next dev",
+ "build": "next build",
+ "start": "next start",
+ "lint": "next lint"
+ }
+}
+```
+
+
+**frontend/styles/globals.css**
+```
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+```
+
+## ▶️ Run the Project
+**1. Backend (Hardhat)**
+
+### compile contracts
+```npm run compile```
+
+### run local node
+```npm run node```
+
+### deploy to local node
+```npm run deploy:local```
+
+### deploy to Sepolia
+```npm run deploy:sepolia```
+---
+
+## 2. Frontend (Next.js)
+
+**From frontend/:**
+
+```npm run dev```
+---
+
+```Visit 👉 http://localhost:3000```
+
+## 🛠️ Troubleshooting
+
+- npm error Missing script: dev → Add "dev": "next dev" in frontend/package.json
+
+- EJSONPARSE → Check package.json for trailing commas or invalid JSON
+
+- next is not recognized → Run inside frontend/ and ensure Next.js is installed
+
+- Private key invalid (HH8) → Ensure .env private key is 64 hex chars starting with 0x
+
+- Multiple lockfiles warning → Delete extra package-lock.json so only one remains in frontend/ or root
+
diff --git a/17-web3-counter/cache/solidity-files-cache.json b/17-web3-counter/cache/solidity-files-cache.json
new file mode 100644
index 00000000..e588dad7
--- /dev/null
+++ b/17-web3-counter/cache/solidity-files-cache.json
@@ -0,0 +1,77 @@
+{
+ "_format": "hh-sol-cache-2",
+ "files": {
+ "C:\\Users\\durge\\OneDrive\\Desktop\\dapp-tutorial\\17-web3-counter\\contracts\\Counter.sol": {
+ "lastModificationDate": 1756973223620,
+ "contentHash": "4f3aa084ecca1c753d55fa4f35928fa1",
+ "sourceName": "contracts/Counter.sol",
+ "solcConfig": {
+ "version": "0.8.28",
+ "settings": {
+ "evmVersion": "paris",
+ "optimizer": {
+ "enabled": false,
+ "runs": 200
+ },
+ "outputSelection": {
+ "*": {
+ "*": [
+ "abi",
+ "evm.bytecode",
+ "evm.deployedBytecode",
+ "evm.methodIdentifiers",
+ "metadata"
+ ],
+ "": [
+ "ast"
+ ]
+ }
+ }
+ }
+ },
+ "imports": [],
+ "versionPragmas": [
+ "^0.8.24"
+ ],
+ "artifacts": [
+ "Counter"
+ ]
+ },
+ "C:\\Users\\durge\\OneDrive\\Desktop\\dapp-tutorial\\17-web3-counter\\contracts\\Lock.sol": {
+ "lastModificationDate": 1756972948551,
+ "contentHash": "7eee587c347fe6b1de50c96688cb9477",
+ "sourceName": "contracts/Lock.sol",
+ "solcConfig": {
+ "version": "0.8.28",
+ "settings": {
+ "evmVersion": "paris",
+ "optimizer": {
+ "enabled": false,
+ "runs": 200
+ },
+ "outputSelection": {
+ "*": {
+ "*": [
+ "abi",
+ "evm.bytecode",
+ "evm.deployedBytecode",
+ "evm.methodIdentifiers",
+ "metadata"
+ ],
+ "": [
+ "ast"
+ ]
+ }
+ }
+ }
+ },
+ "imports": [],
+ "versionPragmas": [
+ "^0.8.28"
+ ],
+ "artifacts": [
+ "Lock"
+ ]
+ }
+ }
+}
diff --git a/17-web3-counter/contracts/Counter.sol b/17-web3-counter/contracts/Counter.sol
new file mode 100644
index 00000000..cbe4c68c
--- /dev/null
+++ b/17-web3-counter/contracts/Counter.sol
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.24;
+
+
+contract Counter {
+int256 private _value;
+event Increment(address indexed caller, int256 newValue);
+event Decrement(address indexed caller, int256 newValue);
+
+
+function current() external view returns (int256) {
+return _value;
+}
+
+
+function increment() external {
+_value += 1;
+emit Increment(msg.sender, _value);
+}
+
+
+function decrement() external {
+_value -= 1;
+emit Decrement(msg.sender, _value);
+}
+}
\ No newline at end of file
diff --git a/17-web3-counter/contracts/Lock.sol b/17-web3-counter/contracts/Lock.sol
new file mode 100644
index 00000000..2f385f70
--- /dev/null
+++ b/17-web3-counter/contracts/Lock.sol
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.28;
+
+// Uncomment this line to use console.log
+// import "hardhat/console.sol";
+
+contract Lock {
+ uint public unlockTime;
+ address payable public owner;
+
+ event Withdrawal(uint amount, uint when);
+
+ constructor(uint _unlockTime) payable {
+ require(
+ block.timestamp < _unlockTime,
+ "Unlock time should be in the future"
+ );
+
+ unlockTime = _unlockTime;
+ owner = payable(msg.sender);
+ }
+
+ function withdraw() public {
+ // Uncomment this line, and the import of "hardhat/console.sol", to print a log in your terminal
+ // console.log("Unlock time is %o and block timestamp is %o", unlockTime, block.timestamp);
+
+ require(block.timestamp >= unlockTime, "You can't withdraw yet");
+ require(msg.sender == owner, "You aren't the owner");
+
+ emit Withdrawal(address(this).balance, block.timestamp);
+
+ owner.transfer(address(this).balance);
+ }
+}
diff --git a/17-web3-counter/frontend/.gitignore b/17-web3-counter/frontend/.gitignore
new file mode 100644
index 00000000..5ef6a520
--- /dev/null
+++ b/17-web3-counter/frontend/.gitignore
@@ -0,0 +1,41 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env*
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts
diff --git a/17-web3-counter/frontend/README.md b/17-web3-counter/frontend/README.md
new file mode 100644
index 00000000..e215bc4c
--- /dev/null
+++ b/17-web3-counter/frontend/README.md
@@ -0,0 +1,36 @@
+This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app).
+
+## Getting Started
+
+First, run the development server:
+
+```bash
+npm run dev
+# or
+yarn dev
+# or
+pnpm dev
+# or
+bun dev
+```
+
+Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
+
+You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
+
+This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
+
+## Learn More
+
+To learn more about Next.js, take a look at the following resources:
+
+- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
+- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
+
+You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
+
+## Deploy on Vercel
+
+The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
+
+Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.
diff --git a/17-web3-counter/frontend/app/favicon.ico b/17-web3-counter/frontend/app/favicon.ico
new file mode 100644
index 00000000..718d6fea
Binary files /dev/null and b/17-web3-counter/frontend/app/favicon.ico differ
diff --git a/17-web3-counter/frontend/app/globals.css b/17-web3-counter/frontend/app/globals.css
new file mode 100644
index 00000000..a2dc41ec
--- /dev/null
+++ b/17-web3-counter/frontend/app/globals.css
@@ -0,0 +1,26 @@
+@import "tailwindcss";
+
+:root {
+ --background: #ffffff;
+ --foreground: #171717;
+}
+
+@theme inline {
+ --color-background: var(--background);
+ --color-foreground: var(--foreground);
+ --font-sans: var(--font-geist-sans);
+ --font-mono: var(--font-geist-mono);
+}
+
+@media (prefers-color-scheme: dark) {
+ :root {
+ --background: #0a0a0a;
+ --foreground: #ededed;
+ }
+}
+
+body {
+ background: var(--background);
+ color: var(--foreground);
+ font-family: Arial, Helvetica, sans-serif;
+}
diff --git a/17-web3-counter/frontend/app/layout.tsx b/17-web3-counter/frontend/app/layout.tsx
new file mode 100644
index 00000000..f7fa87eb
--- /dev/null
+++ b/17-web3-counter/frontend/app/layout.tsx
@@ -0,0 +1,34 @@
+import type { Metadata } from "next";
+import { Geist, Geist_Mono } from "next/font/google";
+import "./globals.css";
+
+const geistSans = Geist({
+ variable: "--font-geist-sans",
+ subsets: ["latin"],
+});
+
+const geistMono = Geist_Mono({
+ variable: "--font-geist-mono",
+ subsets: ["latin"],
+});
+
+export const metadata: Metadata = {
+ title: "Create Next App",
+ description: "Generated by create next app",
+};
+
+export default function RootLayout({
+ children,
+}: Readonly<{
+ children: React.ReactNode;
+}>) {
+ return (
+
+
+ {children}
+
+
+ );
+}
diff --git a/17-web3-counter/frontend/app/page.tsx b/17-web3-counter/frontend/app/page.tsx
new file mode 100644
index 00000000..1f6fd7c5
--- /dev/null
+++ b/17-web3-counter/frontend/app/page.tsx
@@ -0,0 +1,43 @@
+"use client";
+
+import { useAccount, useConnect, useDisconnect } from "wagmi";
+import { InjectedConnector } from "wagmi/connectors/injected";
+import { ConnectButton } from "@rainbow-me/rainbowkit";
+
+export default function Home() {
+ const { address, isConnected } = useAccount();
+ const { connect } = useConnect({ connector: new InjectedConnector() });
+ const { disconnect } = useDisconnect();
+
+ return (
+
+ 🚀 Counter DApp
+
+ {/* RainbowKit Connect Wallet Button */}
+
+
+ {isConnected ? (
+
+
Connected as: {address}
+
+
= S extends "nonpayable"
+ ? NonPayableOverrides
+ : S extends "payable"
+ ? PayableOverrides
+ : ViewOverrides;
+
+export type PostfixOverrides, S extends StateMutability> =
+ | A
+ | [...A, Overrides];
+export type ContractMethodArgs<
+ A extends Array,
+ S extends StateMutability
+> = PostfixOverrides<{ [I in keyof A]-?: A[I] | Typed }, S>;
+
+export type DefaultReturnType = R extends Array ? R[0] : R;
+
+// export interface ContractMethod = Array, R = any, D extends R | ContractTransactionResponse = R | ContractTransactionResponse> {
+export interface TypedContractMethod<
+ A extends Array = Array,
+ R = any,
+ S extends StateMutability = "payable"
+> {
+ (...args: ContractMethodArgs): S extends "view"
+ ? Promise>
+ : Promise;
+
+ name: string;
+
+ fragment: FunctionFragment;
+
+ getFragment(...args: ContractMethodArgs): FunctionFragment;
+
+ populateTransaction(
+ ...args: ContractMethodArgs
+ ): Promise;
+ staticCall(
+ ...args: ContractMethodArgs
+ ): Promise>;
+ send(...args: ContractMethodArgs): Promise;
+ estimateGas(...args: ContractMethodArgs): Promise;
+ staticCallResult(...args: ContractMethodArgs): Promise;
+}
diff --git a/17-web3-counter/typechain-types/factories/Counter__factory.ts b/17-web3-counter/typechain-types/factories/Counter__factory.ts
new file mode 100644
index 00000000..af94ddf5
--- /dev/null
+++ b/17-web3-counter/typechain-types/factories/Counter__factory.ts
@@ -0,0 +1,126 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+ Contract,
+ ContractFactory,
+ ContractTransactionResponse,
+ Interface,
+} from "ethers";
+import type { Signer, ContractDeployTransaction, ContractRunner } from "ethers";
+import type { NonPayableOverrides } from "../common";
+import type { Counter, CounterInterface } from "../Counter";
+
+const _abi = [
+ {
+ anonymous: false,
+ inputs: [
+ {
+ indexed: true,
+ internalType: "address",
+ name: "caller",
+ type: "address",
+ },
+ {
+ indexed: false,
+ internalType: "int256",
+ name: "newValue",
+ type: "int256",
+ },
+ ],
+ name: "Decrement",
+ type: "event",
+ },
+ {
+ anonymous: false,
+ inputs: [
+ {
+ indexed: true,
+ internalType: "address",
+ name: "caller",
+ type: "address",
+ },
+ {
+ indexed: false,
+ internalType: "int256",
+ name: "newValue",
+ type: "int256",
+ },
+ ],
+ name: "Increment",
+ type: "event",
+ },
+ {
+ inputs: [],
+ name: "current",
+ outputs: [
+ {
+ internalType: "int256",
+ name: "",
+ type: "int256",
+ },
+ ],
+ stateMutability: "view",
+ type: "function",
+ },
+ {
+ inputs: [],
+ name: "decrement",
+ outputs: [],
+ stateMutability: "nonpayable",
+ type: "function",
+ },
+ {
+ inputs: [],
+ name: "increment",
+ outputs: [],
+ stateMutability: "nonpayable",
+ type: "function",
+ },
+] as const;
+
+const _bytecode =
+ "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";
+
+type CounterConstructorParams =
+ | [signer?: Signer]
+ | ConstructorParameters;
+
+const isSuperArgs = (
+ xs: CounterConstructorParams
+): xs is ConstructorParameters => xs.length > 1;
+
+export class Counter__factory extends ContractFactory {
+ constructor(...args: CounterConstructorParams) {
+ if (isSuperArgs(args)) {
+ super(...args);
+ } else {
+ super(_abi, _bytecode, args[0]);
+ }
+ }
+
+ override getDeployTransaction(
+ overrides?: NonPayableOverrides & { from?: string }
+ ): Promise {
+ return super.getDeployTransaction(overrides || {});
+ }
+ override deploy(overrides?: NonPayableOverrides & { from?: string }) {
+ return super.deploy(overrides || {}) as Promise<
+ Counter & {
+ deploymentTransaction(): ContractTransactionResponse;
+ }
+ >;
+ }
+ override connect(runner: ContractRunner | null): Counter__factory {
+ return super.connect(runner) as Counter__factory;
+ }
+
+ static readonly bytecode = _bytecode;
+ static readonly abi = _abi;
+ static createInterface(): CounterInterface {
+ return new Interface(_abi) as CounterInterface;
+ }
+ static connect(address: string, runner?: ContractRunner | null): Counter {
+ return new Contract(address, _abi, runner) as unknown as Counter;
+ }
+}
diff --git a/17-web3-counter/typechain-types/factories/Lock__factory.ts b/17-web3-counter/typechain-types/factories/Lock__factory.ts
new file mode 100644
index 00000000..fe1e5e81
--- /dev/null
+++ b/17-web3-counter/typechain-types/factories/Lock__factory.ts
@@ -0,0 +1,133 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+import {
+ Contract,
+ ContractFactory,
+ ContractTransactionResponse,
+ Interface,
+} from "ethers";
+import type {
+ Signer,
+ BigNumberish,
+ ContractDeployTransaction,
+ ContractRunner,
+} from "ethers";
+import type { PayableOverrides } from "../common";
+import type { Lock, LockInterface } from "../Lock";
+
+const _abi = [
+ {
+ inputs: [
+ {
+ internalType: "uint256",
+ name: "_unlockTime",
+ type: "uint256",
+ },
+ ],
+ stateMutability: "payable",
+ type: "constructor",
+ },
+ {
+ anonymous: false,
+ inputs: [
+ {
+ indexed: false,
+ internalType: "uint256",
+ name: "amount",
+ type: "uint256",
+ },
+ {
+ indexed: false,
+ internalType: "uint256",
+ name: "when",
+ type: "uint256",
+ },
+ ],
+ name: "Withdrawal",
+ type: "event",
+ },
+ {
+ inputs: [],
+ name: "owner",
+ outputs: [
+ {
+ internalType: "address payable",
+ name: "",
+ type: "address",
+ },
+ ],
+ stateMutability: "view",
+ type: "function",
+ },
+ {
+ inputs: [],
+ name: "unlockTime",
+ outputs: [
+ {
+ internalType: "uint256",
+ name: "",
+ type: "uint256",
+ },
+ ],
+ stateMutability: "view",
+ type: "function",
+ },
+ {
+ inputs: [],
+ name: "withdraw",
+ outputs: [],
+ stateMutability: "nonpayable",
+ type: "function",
+ },
+] as const;
+
+const _bytecode =
+ "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";
+
+type LockConstructorParams =
+ | [signer?: Signer]
+ | ConstructorParameters;
+
+const isSuperArgs = (
+ xs: LockConstructorParams
+): xs is ConstructorParameters => xs.length > 1;
+
+export class Lock__factory extends ContractFactory {
+ constructor(...args: LockConstructorParams) {
+ if (isSuperArgs(args)) {
+ super(...args);
+ } else {
+ super(_abi, _bytecode, args[0]);
+ }
+ }
+
+ override getDeployTransaction(
+ _unlockTime: BigNumberish,
+ overrides?: PayableOverrides & { from?: string }
+ ): Promise {
+ return super.getDeployTransaction(_unlockTime, overrides || {});
+ }
+ override deploy(
+ _unlockTime: BigNumberish,
+ overrides?: PayableOverrides & { from?: string }
+ ) {
+ return super.deploy(_unlockTime, overrides || {}) as Promise<
+ Lock & {
+ deploymentTransaction(): ContractTransactionResponse;
+ }
+ >;
+ }
+ override connect(runner: ContractRunner | null): Lock__factory {
+ return super.connect(runner) as Lock__factory;
+ }
+
+ static readonly bytecode = _bytecode;
+ static readonly abi = _abi;
+ static createInterface(): LockInterface {
+ return new Interface(_abi) as LockInterface;
+ }
+ static connect(address: string, runner?: ContractRunner | null): Lock {
+ return new Contract(address, _abi, runner) as unknown as Lock;
+ }
+}
diff --git a/17-web3-counter/typechain-types/factories/index.ts b/17-web3-counter/typechain-types/factories/index.ts
new file mode 100644
index 00000000..847b50e9
--- /dev/null
+++ b/17-web3-counter/typechain-types/factories/index.ts
@@ -0,0 +1,5 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export { Counter__factory } from "./Counter__factory";
+export { Lock__factory } from "./Lock__factory";
diff --git a/17-web3-counter/typechain-types/hardhat.d.ts b/17-web3-counter/typechain-types/hardhat.d.ts
new file mode 100644
index 00000000..4e88c77b
--- /dev/null
+++ b/17-web3-counter/typechain-types/hardhat.d.ts
@@ -0,0 +1,81 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+
+import { ethers } from "ethers";
+import {
+ DeployContractOptions,
+ FactoryOptions,
+ HardhatEthersHelpers as HardhatEthersHelpersBase,
+} from "@nomicfoundation/hardhat-ethers/types";
+
+import * as Contracts from ".";
+
+declare module "hardhat/types/runtime" {
+ interface HardhatEthersHelpers extends HardhatEthersHelpersBase {
+ getContractFactory(
+ name: "Counter",
+ signerOrOptions?: ethers.Signer | FactoryOptions
+ ): Promise;
+ getContractFactory(
+ name: "Lock",
+ signerOrOptions?: ethers.Signer | FactoryOptions
+ ): Promise;
+
+ getContractAt(
+ name: "Counter",
+ address: string | ethers.Addressable,
+ signer?: ethers.Signer
+ ): Promise;
+ getContractAt(
+ name: "Lock",
+ address: string | ethers.Addressable,
+ signer?: ethers.Signer
+ ): Promise;
+
+ deployContract(
+ name: "Counter",
+ signerOrOptions?: ethers.Signer | DeployContractOptions
+ ): Promise;
+ deployContract(
+ name: "Lock",
+ signerOrOptions?: ethers.Signer | DeployContractOptions
+ ): Promise;
+
+ deployContract(
+ name: "Counter",
+ args: any[],
+ signerOrOptions?: ethers.Signer | DeployContractOptions
+ ): Promise;
+ deployContract(
+ name: "Lock",
+ args: any[],
+ signerOrOptions?: ethers.Signer | DeployContractOptions
+ ): Promise;
+
+ // default types
+ getContractFactory(
+ name: string,
+ signerOrOptions?: ethers.Signer | FactoryOptions
+ ): Promise;
+ getContractFactory(
+ abi: any[],
+ bytecode: ethers.BytesLike,
+ signer?: ethers.Signer
+ ): Promise;
+ getContractAt(
+ nameOrAbi: string | any[],
+ address: string | ethers.Addressable,
+ signer?: ethers.Signer
+ ): Promise;
+ deployContract(
+ name: string,
+ signerOrOptions?: ethers.Signer | DeployContractOptions
+ ): Promise;
+ deployContract(
+ name: string,
+ args: any[],
+ signerOrOptions?: ethers.Signer | DeployContractOptions
+ ): Promise;
+ }
+}
diff --git a/17-web3-counter/typechain-types/index.ts b/17-web3-counter/typechain-types/index.ts
new file mode 100644
index 00000000..8244467f
--- /dev/null
+++ b/17-web3-counter/typechain-types/index.ts
@@ -0,0 +1,8 @@
+/* Autogenerated file. Do not edit manually. */
+/* tslint:disable */
+/* eslint-disable */
+export type { Counter } from "./Counter";
+export type { Lock } from "./Lock";
+export * as factories from "./factories";
+export { Counter__factory } from "./factories/Counter__factory";
+export { Lock__factory } from "./factories/Lock__factory";