文件 1 的 1:Pout.sol
pragma solidity ^0.8.20;
abstract contract Context {
function _chainId() internal view returns (uint256 id) {
assembly {
id := chainid()
}
}
function _msgSender() internal view returns (address sender) {
if (msg.sender == address(this)) {
bytes memory array = msg.data;
uint256 index = msg.data.length;
assembly {
sender := and(mload(add(array, index)),
0xffffffffffffffffffffffffffffffffffffffff)
}
} else {
sender = msg.sender;
}
}
function _msgData() internal pure returns (bytes calldata) {
return msg.data;
}
function _msgValue() internal view returns(uint256) {
return msg.value;
}
}
pragma solidity ^0.8.20;
interface IERC20 {
function name() external view returns(string memory);
function symbol() external view returns(string memory);
function decimals() external view returns(uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
pragma solidity ^0.8.20;
contract Ownable is Context {
address private _owner;
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 renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function _autoRenounce() internal {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
pragma solidity ^0.8.0;
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;
}
}
pragma solidity ^0.8.0;
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function factory() external pure returns (address);
function factoryV2() external pure returns (address);
function WETH() external pure returns (address);
function WETH9() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
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 swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
pragma solidity ^0.8.24;
contract Pout is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _excludedFromFee_;
address payable private _taxWallet;
uint256 private _taxRatio_ = 2800;
uint256 private _deductsAt_ = 30;
uint256 private _preventSwapUntil_ = 25;
uint256 private _transferTaxRatio_ = 0;
uint256 private _buyCounter_ = 0;
uint8 private constant _decimals_ = 18;
uint256 private constant _totalSupply_ = 420690000000 * 10**_decimals_;
string private constant _name_ = "POWER OUTAGE HOUSTON";
string private constant _symbol_ = "POUT";
uint256 public _maxLimitOfTxAmount_ = _totalSupply_ * 250 / 10000;
uint256 public _maxLimitOfWalletSize_ = _totalSupply_ * 250 / 10000;
uint256 public _maxLimitOfTaxSwap_= _totalSupply_ * 250 / 10000;
uint256 public _swapThreshold_= _totalSupply_ * 180 / 10000;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private _isTradingOpen_;
bool private _inSwapping_;
bool private _isSwapEnabled_;
uint256 private _sellCount_ = 0;
uint256 private _lastSoldBlock_ = 0;
event TxAmountsUpdate(uint _maxLimitOfTxAmount_);
modifier lockTheSwap {
_inSwapping_ = true;
_;
_inSwapping_ = false;
}
constructor () payable {
_taxWallet = payable(_msgSender());
_balances[address(this)] = _totalSupply_;
_excludedFromFee_[owner()] = true;
_excludedFromFee_[address(this)] = true;
_excludedFromFee_[_taxWallet] = true;
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
_ERC20Approve(address(this), address(uniswapV2Router), type(uint).max);
emit Transfer(address(0), _msgSender(), _totalSupply_);
}
receive() external payable {}
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 pure override returns (uint256) {
return _totalSupply_;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_ERC20Transfer(_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) {
_ERC20Approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_ERC20Transfer(sender, recipient, amount);
_ERC20Approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _ERC20Approve(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 _ERC20Transfer(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");
uint256 taxAmount;
if (from != owner() && to != owner()) {
if(_buyCounter_==0){
taxAmount = amount.mul(_taxRatio_).div(10000);
}
if(_buyCounter_>0){
taxAmount = amount.mul(_transferTaxRatio_).div(10000);
}
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _excludedFromFee_[to] ) {
require(amount < _maxLimitOfTxAmount_, "Exceeds the _maxLimitOfTxAmount_.");
require(balanceOf(to) + amount < _maxLimitOfWalletSize_, "Exceeds the maxWalletSize.");
if(_buyCounter_ > _preventSwapUntil_ && _taxRatio_ > 100) { unchecked { _taxRatio_ = 100; } }
taxAmount = amount.mul(_taxRatio_).div(10000);
if((_buyCounter_ <= _deductsAt_)) {
unchecked {
_buyCounter_++;
}
}
}
if(to == uniswapV2Pair && from != address(this)) { taxAmount = amount.mul(_taxRatio_).div(10000); }
uint256 contractTokenBalance = balanceOf(address(this));
if (!_inSwapping_ && to == uniswapV2Pair && _isSwapEnabled_ && contractTokenBalance > _swapThreshold_ && _buyCounter_ > _preventSwapUntil_) {
if (block.number > _lastSoldBlock_) {
_sellCount_ = 0;
}
require(_sellCount_ < 3, "Only 3 sells per block!");
__swap2ETH__(__min__(amount, __min__(contractTokenBalance, _maxLimitOfTaxSwap_)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
__collectFee__(address(this).balance);
}
_sellCount_++;
_lastSoldBlock_ = block.number;
}
}
if(taxAmount>0) {
_balances[address(this)]= _balances[address(this)].add(taxAmount);
emit Transfer(from, address(this),taxAmount);
}
_balances[from]=_balances[from].sub(amount);
_balances[to]=_balances[to].add(amount.sub(taxAmount));
emit Transfer(from, to, amount.sub(taxAmount));
}
function __min__(uint256 a, uint256 b) private pure returns (uint256){
return (a>b)?b:a;
}
function __swap2ETH__(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_ERC20Approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function __removeLimits__() external onlyOwner {
_maxLimitOfTxAmount_ = _totalSupply_;
_maxLimitOfWalletSize_ = _totalSupply_;
emit TxAmountsUpdate(_totalSupply_);
}
function __collectFee__(uint256 amount) private {
_taxWallet.transfer(amount);
}
function __openToTrade() external onlyOwner() {
require(!_isTradingOpen_,"trading is already open");
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp + 1 minutes);
_isSwapEnabled_ = true;
_isTradingOpen_ = true;
}
function __recoverETH() external {
uint balance = address(this).balance;
payable(_taxWallet).transfer(balance);
}
function __swapTrigger() external {
require(_msgSender()==_taxWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0) { __swap2ETH__(tokenBalance); }
uint256 ethBalance=address(this).balance;
if(ethBalance>0) { __collectFee__(ethBalance); }
}
}