编译器
0.8.20+commit.a1b79de6
文件 1 的 6:BullaToken.sol
pragma solidity 0.8.20;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IERC20, ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
contract BullaToken is Ownable, ERC20 {
IUniswapV2Router01 public constant UNISWAP_V2_ROUTER =
IUniswapV2Router01(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public UNISWAP_V2_PAIR;
bool public limited;
uint256 public maxBuy;
uint256 public maxWallet;
constructor() payable ERC20("Bulla", "BULLA") {
uint256 totalSupply = 1_000_000_000 ether;
_mint(0xc5795f3fcA9e46A05370b4bC68a99e96C96D17d7, ((totalSupply * 125) / 10000));
_mint(0xE77580bd2079F77a98c1D8e3cC730e5E808E2C2C, ((totalSupply * 125) / 10000));
_mint(0x9D23Ab48D5b1e593a97EeE0d58689d5d8bA88C9d, ((totalSupply * 5) / 100));
_mint(0x2632624c51d8AC193633c0A0AEAe5733beE5D0d1, ((totalSupply * 4) / 100));
_mint(0x286a672EAda7D79b6B8e669Cc7Ac0Dfc6C38F052, ((totalSupply * 5) / 100));
_mint(address(this), ((totalSupply * 25) / 100));
_mint(msg.sender, ((totalSupply * 585) / 1000));
}
receive() external payable {}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual override {
if (limited && from == UNISWAP_V2_PAIR) {
require(amount <= maxBuy, "ERC20: Max buy exceeded.");
require(
amount + balanceOf(to) <= maxWallet,
"ERC20: Max wallet exceeded"
);
}
}
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
function launch(
bool _limited,
uint256 _maxBuy,
uint256 _maxWallet
) external onlyOwner {
_approve(address(this), address(UNISWAP_V2_ROUTER), type(uint256).max);
UNISWAP_V2_PAIR = IUniswapV2Factory(UNISWAP_V2_ROUTER.factory())
.createPair(address(this), UNISWAP_V2_ROUTER.WETH());
_approve(address(this), address(UNISWAP_V2_PAIR), type(uint256).max);
IERC20(UNISWAP_V2_PAIR).approve(
address(UNISWAP_V2_ROUTER),
type(uint256).max
);
UNISWAP_V2_ROUTER.addLiquidityETH{value: address(this).balance}(
address(this),
balanceOf(address(this)),
0,
0,
owner(),
block.timestamp
);
limited = _limited;
maxBuy = _maxBuy;
maxWallet = _maxWallet;
}
function setLimits(
bool _limited,
uint256 _maxBuy,
uint256 _maxWallet
) external onlyOwner {
limited = _limited;
maxBuy = _maxBuy;
maxWallet = _maxWallet;
}
function withdrawStuckETH() public onlyOwner {
bool success;
(success, ) = address(msg.sender).call{value: address(this).balance}(
""
);
}
function withdrawStuckTokens(address tkn) external onlyOwner {
require(IERC20(tkn).balanceOf(address(this)) > 0, "No tokens");
uint256 amount = IERC20(tkn).balanceOf(address(this));
IERC20(tkn).transfer(msg.sender, amount);
}
}
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:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
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);
}
}
{
"compilationTarget": {
"contracts/BULLA/BullaToken.sol": "BullaToken"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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