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August 20, 2022 02:43
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基本題二 部署 ERC20
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| // SPDX-License-Identifier: MIT | |
| pragma solidity ^0.8.4; | |
| import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; | |
| contract HazelToken is ERC20 { | |
| // 調整 mint 數量，確定能夠拿到 10,000 個 ERC20 Token | |
| uint256 public initialSupply = 10000; | |
| // 嘗試修改 name 與 symbol | |
| constructor() ERC20("HazelToken", "HZ") { | |
| _mint(msg.sender, initialSupply); | |
| } | |
| // 添加一個功能並且傳送 n 個數量 ERC20 Token | |
| // 給二號（ex. 0x977e01DDd064e404227eea9E30a5a36ABFDeF93D）地址 | |
| function buyCoin(address _to, uint256 _amount) public { | |
| _mint(_to, _amount); | |
| } | |
| } |
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