Merge pull request #297 from TechnicallyKiller/main

NFT MARKETPLACE ADDED #104

.gitignore

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+node_modules/

nft-contract.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@openzeppelin/contracts/utils/Counters.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
+
+contract SimpleNFT is ERC721URIStorage, Ownable {
+    using Counters for Counters.Counter;
+    Counters.Counter private _tokenIds;
+
+    // Events
+    event NFTMinted(address indexed owner, uint256 indexed tokenId, string tokenURI);
+    event NFTTransferred(address indexed from, address indexed to, uint256 indexed tokenId);
+    event NFTBurned(uint256 indexed tokenId);
+
+    constructor() ERC721("SimpleNFT", "SNFT") Ownable(msg.sender) {
+        // The msg.sender is passed as the owner during contract deployment
+    }
+
+    /**
+     * @dev Mint a new NFT
+     * @param recipient Address that will receive the minted NFT
+     * @param tokenURI URI of the token metadata
+     */
+    function mintNFT(address recipient, string memory tokenURI) public onlyOwner returns (uint256) {
+        _tokenIds.increment();
+        uint256 newItemId = _tokenIds.current();
+
+        _mint(recipient, newItemId);
+        _setTokenURI(newItemId, tokenURI);
+
+        emit NFTMinted(recipient, newItemId, tokenURI);
+        return newItemId;
+    }
+
+    /**
+     * @dev Transfer an NFT from the caller's address to another address
+     * @param to Address that will receive the NFT
+     * @param tokenId ID of the token to be transferred
+     */
+    function transferNFT(address to, uint256 tokenId) public {
+        require(ownerOf(tokenId) == msg.sender, "You are not the owner of this NFT.");
+        require(to != address(0), "Cannot transfer to the zero address.");
+
+        _transfer(msg.sender, to, tokenId);
+        emit NFTTransferred(msg.sender, to, tokenId);
+    }
+
+    /**
+     * @dev Burn an NFT (permanently remove it from existence)
+     * @param tokenId ID of the token to be burned
+     */
+    function burnNFT(uint256 tokenId) public {
+        require(ownerOf(tokenId) == msg.sender, "You are not the owner of this NFT.");
+
+        _burn(tokenId);
+        emit NFTBurned(tokenId);
+    }
+
+    /**
+     * @dev Get the total number of NFTs minted
+     */
+    function totalMinted() public view returns (uint256) {
+        return _tokenIds.current();
+    }
+}

nft-marketplace/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

nft-marketplace/README.md

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+# Getting Started with Create React App
+
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in your browser.
+
+The page will reload when you make changes.\
+You may also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.\
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.\
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.\
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can't go back!**
+
+If you aren't satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.
+
+You don't have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
+
+### Analyzing the Bundle Size
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
+
+### Making a Progressive Web App
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
+
+### Advanced Configuration
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
+
+### Deployment
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
+
+### `npm run build` fails to minify
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

nft-marketplace/backend/TezosService.js

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+const { TezosToolkit } = require('@taquito/taquito');
+
+const Tezos = new TezosToolkit('https://mainnet.api.tez.ie');
+
+async function getTezosBalance(address) {
+  return await Tezos.tz.getBalance(address);
+}
+
+module.exports = { getTezosBalance };

nft-marketplace/backend/ethereumService.js

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+const { ethers } = require('ethers');
+
+const provider = new ethers.providers.JsonRpcProvider(process.env.ETHEREUM_RPC_URL);
+const wallet = new ethers.Wallet(process.env.PRIVATE_KEY, provider);
+
+async function getBalance() {
+  const balance = await wallet.getBalance();
+  return ethers.utils.formatEther(balance);
+}
+
+module.exports = { getBalance };

nft-marketplace/backend/index.js

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+const express = require('express');
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+app.use(express.json());
+
+app.get('/', (req, res) => {
+  res.send('API is running...');
+});
+
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});
+const cors = require('cors');
+app.use(cors());