# WETH(包装以太坊)

**Published by:** [web3zoom](https://paragraph.com/@web3zoom/)
**Published on:** 2025-10-01
**URL:** https://paragraph.com/@web3zoom/weth

## Content

遵守ERC20协议，将以太坊协议包装在WETH中，可以实现所有的以太坊方法。 继承Openzepplin协议// SPDX-License-Identifier: MIT pragma solidity ^0.8.30; import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import {ERC20Burnable} from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol"; contract WETH is ERC20, ERC20Burnable, Ownable{ event Deposit(address indexed account, uint amount); event Withdraw(address indexed account, uint amount); constructor(address initialOwner) ERC20("MyToken", "MTK") Ownable(initialOwner) {} fallback() external payable { deposit(); } function mint(address to, uint256 amount) public onlyOwner { _mint(to, amount); } function deposit() public payable { _mint(msg.sender, msg.value); emit Deposit(msg.sender, msg.value); } function withdraw(uint _amount) external { _burn(msg.sender, _amount); payable(msg.sender).transfer(_amount); emit Withdraw(msg.sender, _amount); } }

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