编译器
0.8.18+commit.87f61d96
文件 1 的 6:Base.sol
pragma solidity >0.8.0;
contract Base {
bool public paused;
address public owner;
mapping(address => bool) public pausers;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
event PauseChanged(address indexed by, bool indexed paused);
modifier onlyOwner() {
require(owner == msg.sender, 'Ownable: caller is not the owner');
_;
}
modifier onlyPauseToggler() {
require(owner == msg.sender || pausers[msg.sender], 'Ownable: caller is not the owner');
_;
}
modifier whenNotPaused() {
require(!paused || owner == msg.sender || pausers[msg.sender], 'Feature is paused');
_;
}
constructor() {
owner = msg.sender;
paused = false;
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), 'Ownable: new owner is the zero address');
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = owner;
owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function setPauser(address _pauser, bool _allowed) external onlyOwner {
pausers[_pauser] = _allowed;
}
function setPause(bool _paused) external onlyPauseToggler {
paused = _paused;
emit PauseChanged(msg.sender, _paused);
}
}
文件 2 的 6:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 3 的 6:ERC20.sol
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
文件 4 的 6:IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from,
address to,
uint256 amount
) external returns (bool);
}
文件 5 的 6:IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 6 的 6:Token.sol
pragma solidity >0.8.0;
import '@openzeppelin/contracts/token/ERC20/ERC20.sol';
import './helpers/Base.sol';
contract Token is ERC20, Base {
mapping(address => bool) callers;
modifier onlyCallers() {
require(callers[msg.sender], 'Must be a caller');
_;
}
constructor(string memory _name, string memory _symbol) ERC20(_name, _symbol) {
callers[msg.sender] = true;
_mint(msg.sender, 69_420_000_000 * 1e9);
}
function decimals() public view virtual override returns (uint8) {
return 9;
}
function mint(address _account, uint256 _amount) external onlyCallers {
_mint(_account, _amount);
}
function burn(address _account, uint256 _amount) external onlyCallers {
_burn(_account, _amount);
}
function burn(uint256 _amount) public virtual {
_burn(msg.sender, _amount);
}
function setCaller(address account, bool caller) external onlyOwner {
callers[account] = caller;
}
function rescueToken(address tokenAddress) external onlyOwner {
IERC20(tokenAddress).transfer(msg.sender, IERC20(tokenAddress).balanceOf(address(this)));
}
function rescueEth() external onlyOwner {
uint256 amountETH = address(this).balance;
(bool success, ) = payable(_msgSender()).call{value: amountETH}(new bytes(0));
require(success, 'PEPEOHM: ETH_TRANSFER_FAILED');
}
}
{
"compilationTarget": {
"contracts/Token.sol": "Token"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"details": {
"constantOptimizer": true,
"cse": true,
"deduplicate": true,
"inliner": true,
"jumpdestRemover": true,
"orderLiterals": true,
"peephole": true,
"yul": false
},
"runs": 200
},
"remappings": []
}
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