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Crowdfunding-DAPP

(★ 83)

Decentralized crowd funding platform where user can start fundraising , anyone can contribute & Fund riser need permission of contributor before withdrawing amount from contract .

파일 탐색기

최종 버전 다운로드 (.zip)

- - FundRiserCard.js
  - FundRiserForm.js
  - Loader.js
  - Navbar.js
  - WithdrawRequestCard.js
- - authWrapper.js
  - helper.js
  - toastMessage.js
  - walletConnector.js
- - _app.js
  - _document.js
  - dashboard.js
  - index.js
  - my-contributions.js
- - favicon.ico
  - metamask-fox.svg
  - vercel.svg
- - actions.js
  - interactions.js
  - reducers.js
  - store.js
  - types.js
- - globals.css
- .eslintrc.json
- .gitignore
- next.config.js
- package-lock.json
- package.json
- postcss.config.js
- README.md
- tailwind.config.js
- Crowdfunding.sol
- Project.sol
- deploy.js
- crowdfunding.test.js
- project.test.js
.gitignore
hardhat.config.js
package-lock.json
package.json
README.md

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/spandan114/Crowdfunding-DAPP

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd Crowdfunding-DAPP

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

npm run dev

개발/실행 서버를 켭니다.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

이 레포의 README에 적힌 실제 명령어를 그대로 가져왔습니다.

// repository documentation

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# Crowd funding

https://user-images.githubusercontent.com/55044734/164529677-27af29f2-96d6-4ce6-bb61-c1f0c63a3beb.mp4

### Project features :bulb:

- [x] User can start a fundraising.
- [x] Anyone can contribute.
- [x] End project if targeted contribution amount reached.
- [x] Expire project if targeted amount not fulfills between deadline.
- [x] Contributors can withdraw contributed amount if project expire.
- [x] Owner need to request contributors for withdraw amount.
- [x] Owner can withdraw amount if 50% contributors agree.
- [x] Connect with waller.

### Tech stack & packages used 📦

| package                                                             | explain                                                               |
| ------------------------------------------------------------------- | --------------------------------------------------------------------- |
| [Next.js](https://nextjs.org/docs/getting-started)                  | For building frontend                                                 |
| [solidity](https://docs.soliditylang.org/en/v0.8.13/)               | For writting smart contracts                                          |
| [tailwind css](https://tailwindcss.com/docs/installation)           | For building design                                                   |       
| [ether.js](https://docs.ethers.io/v5/)                              | Web3 client (contract testing ).                                      |
| [web3.js](https://www.npmjs.com/package/web3)                       | Web3 client (Frontend Next.js).                                       |
| [Chai](https://www.npmjs.com/package/chai)                          | javascript testing framework.                                         |
| [react-toastify](https://www.npmjs.com/package/react-toastify)      | For Notification.                                                     |   
| [hardhat](https://www.npmjs.com/package/hardhat)                    | Ethereum development environment.                                     | 
| [Redux](https://www.npmjs.com/package/hardhat)                      | For managing and centralizing application state.                      |

----------------

### How to run :runner: :

- Run hardhat node
    ```
    npx hardhat node
    ```
- Run test cases
    ```
    npx hardhat test
    ```
- Connect HardHat Account to Metamask

https://github.com/Thiru-Malai/Crowdfunding-DAPP/assets/73980589/f694a9ef-a035-4f2a-9763-98c90839e2b9

- Deploy contract in local hardhat node
    ```
    npx hardhat run scripts/deploy.js --network localhost
    ```
- Run Next.js frontend
    ```
    cd client
    npm run dev
    ```
- Connect account to  website

### Web3.js 
------------
- [Load web3](https://web3js.readthedocs.io/en/v1.2.11/web3-eth.html#web3-eth)
- [Connect with contract](https://web3js.readthedocs.io/en/v1.2.11/web3-eth-contract.html#web3-eth-contract)
    ```
    new web3.eth.Contract(jsonInterface[, address][, options])
    ```
- [Callback promises events](https://web3js.readthedocs.io/en/v1.2.11/callbacks-promises-events.html#callbacks-promises-events)
    ```
    .on('transactionHash', function(hash){ ... })
    .on('error', function(error){ ... })
    ```
- [Subscribe to event](https://web3js.readthedocs.io/en/v1.2.11/web3-eth-contract.html#contract-events)
    ```
    contractName.events.EventName([options][, callback])
    ```
- [Fetch all data from contract event](https://web3js.readthedocs.io/en/v1.2.11/web3-eth-contract.html#getpastevents)
    - <small> An array with the past event Objects, matching the given event name and filter.</small>

```
    contractName.getPastEvents(EventName[, options][, callback])
    ```

### Hardhat commands
```shell
npx hardhat accounts
npx hardhat compile
npx hardhat clean
npx hardhat test
npx hardhat node
node scripts/deploy.js
npx hardhat help
npx hardhat run scripts/deploy.js --network <network name>
```