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| # 🤔 Prerequisites | |
| Lerna | |
| `npm install --global lerna` | |
| ts-node | |
| `npm install --global ts-node` | |
| node-js | |
| `https://nodejs.org/en/download/current/` |
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| // SPDX-License-Identifier: MIT OR Apache-2.0 | |
| pragma solidity ^0.8.4; | |
| import "@openzeppelin/contracts/utils/Counters.sol"; | |
| import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; | |
| import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; | |
| import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; | |
| contract NFT is ERC721URIStorage { | |
| using Counters for Counters.Counter; |
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| pragma solidity ^0.4.19; | |
| contract ERC20Basic { | |
| string public constant name = "ERC20Basic"; | |
| string public constant symbol = "BSC"; | |
| uint8 public constant decimals = 18; | |
| event Approval(address indexed tokenOwner, address indexed spender, uint tokens); |
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| license: mit |