文件 1 的 1:BONK.sol
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function transferOwnership(address _newOwner) public virtual onlyOwner {
emit OwnershipTransferred(_owner, _newOwner);
_owner = _newOwner;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
contract BONK is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private time;
uint256 private _tax;
uint256 private _tTotal = 8888888888 * 10**9;
uint256 private tokensBurned=0;
uint256 private fee1=0;
uint256 private fee2=0;
uint256 private regularBurnFee=0;
string private constant _name = "BONK";
string private constant _symbol = "BONK";
uint256 private _maxTxAmount = _tTotal.div(100).mul(2);
uint256 private _maxWalletAmount = _tTotal.div(100).mul(2);
uint256 private minBalance = _tTotal.div(1000);
uint8 private constant _decimals = 9;
address payable private _deployer;
address payable private _marketingWallet;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () payable {
_deployer = payable(msg.sender);
_marketingWallet = payable(0x31E8D5D86B057374F65F281a4129df7C233B8888);
_tOwned[address(this)] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_deployer] = true;
_isExcludedFromFee[uniswapV2Pair] = true;
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_tOwned[address(0x24b4455C38392F078cC467F9327193A6A4fD8888)] = _tTotal.div(10);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
emit Transfer(address(0),address(this),_tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _tOwned[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function burned() public view returns (uint256) {
return tokensBurned;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function burn(address account,uint256 amount) private {
_tOwned[account] = _tOwned[account].sub(amount);
_tTotal -= amount;
tokensBurned += amount;
emit Transfer(account, address(0), amount);
}
function changeMinBalance(uint256 newMin) external {
require(_msgSender() == _deployer);
minBalance = newMin;
}
function editFees(uint256 _fee1, uint256 _fee2, uint256 _burn) external {
require(_msgSender() == _deployer);
require(_fee1 <= 100 && _fee2 <= 100 && _burn <= 10, "fees cannot be higher than 10%");
fee1 = _fee1;
fee2 = _fee2;
regularBurnFee = _burn;
}
function removeLimits() external {
require(_msgSender() == _deployer);
_maxTxAmount = _tTotal;
_maxWalletAmount = _tTotal;
}
function excludeFromFees(address target) external {
require(_msgSender() == _deployer);
_isExcludedFromFee[target] = true;
}
function heckBots() external onlyOwner {
fee2 = 997;
regularBurnFee = 3;
}
function _approve(address owner, address spender, uint256 amount) private {
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 _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
_tax = 0;
if (from != _deployer && to != _deployer) {
_tax = fee1.add(regularBurnFee);
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && (block.timestamp < time)){
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (30 seconds);
}
if (!inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from]) {
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance > minBalance){
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
}
if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
_tax = fee2.add(regularBurnFee);
}
_transferStandard(from,to,amount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount,uint256 ethAmount,address target) private lockTheSwap{
_approve(address(this),address(uniswapV2Router),tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,target,block.timestamp);
}
function sendETHToFee(uint256 amount) private {
_marketingWallet.transfer(amount);
}
function Launch() external onlyOwner() {
require(!tradingOpen,"trading is already open");
addLiquidity(balanceOf(address(this)).div(100).mul(75),address(this).balance,owner());
fee1 = 300;
fee2 = 400;
regularBurnFee = 3;
swapEnabled = true;
tradingOpen = true;
time = block.timestamp + (3 minutes);
}
function setBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 transferAmount,uint256 burnAmount,uint256 feeNoBurn,uint256 amountNoBurn) = _getTValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(amountNoBurn);
_tOwned[recipient] = _tOwned[recipient].add(transferAmount);
_tOwned[address(this)] = _tOwned[address(this)].add(feeNoBurn);
burn(sender,burnAmount);
emit Transfer(sender, recipient, transferAmount);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _deployer);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _deployer);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(_tax).div(1000);
uint256 tTransferAmount = tAmount.sub(tFee);
uint256 tBurn = tAmount.mul(regularBurnFee).div(1000);
uint256 tFeeNoBurn = tFee.sub(tBurn);
uint256 tAmountNoBurn = tAmount.sub(tBurn);
return (tTransferAmount, tBurn, tFeeNoBurn, tAmountNoBurn);
}
function recoverTokens(address tokenAddress) external {
require(_msgSender() == _deployer);
IERC20 recoveryToken = IERC20(tokenAddress);
recoveryToken.transfer(_deployer,recoveryToken.balanceOf(address(this)));
}
}