文件 1 的 1:PHATT.sol
pragma solidity >=0.8.19;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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 transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
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
);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
interface IERC20Errors {
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
error ERC20InvalidSender(address sender);
error ERC20InvalidReceiver(address receiver);
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
error ERC20InvalidApprover(address approver);
error ERC20InvalidSpender(address spender);
}
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
error ERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return 18;
}
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
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 requestedDecrease) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance < requestedDecrease) {
revert ERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
unchecked {
_approve(owner, spender, currentAllowance - requestedDecrease);
}
return true;
}
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
_totalSupply -= value;
}
} else {
unchecked {
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}
library SafeMath {
function tryAdd(
uint256 a,
uint256 b
) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(
uint256 a,
uint256 b
) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(
uint256 a,
uint256 b
) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(
uint256 a,
uint256 b
) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(
uint256 a,
uint256 b
) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
interface IDexFactory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(
address tokenA,
address tokenB
) external view returns (address pair);
function allPairs(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(
address owner,
address spender
) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
event Mint(address indexed sender, uint256 amount0, uint256 amount1);
event Burn(
address indexed sender,
uint256 amount0,
uint256 amount1,
address indexed to
);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves()
external
view
returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function mint(address to) external returns (uint256 liquidity);
function burn(
address to
) external returns (uint256 amount0, uint256 amount1);
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IDexRouter02 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
contract PHATT is ERC20, Ownable {
using SafeMath for uint256;
IDexRouter02 private immutable dexRouter;
address public immutable dexPair;
bool private duringContractSell;
address public marketingWallet;
uint256 private minSwapbackLimit;
uint256 private maxSwapbackLimit;
uint256 public txLimit;
uint256 public walletLimit;
uint256 public buyFee;
uint256 public sellFee;
bool public tradingLimited = true;
mapping(address => bool) private wlFees;
mapping(address => bool) private wlTxLimit;
mapping(address => bool) public dexPairs;
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event TaxesSwaped(uint256 tokensSwapped, uint256 ethReceived);
constructor() ERC20("PHATT", "PHATT") {
IDexRouter02 _dexRouter = IDexRouter02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
dexRouter = _dexRouter;
dexPair = IDexFactory(_dexRouter.factory()).createPair(
address(this),
_dexRouter.WETH()
);
_setDexPair(address(dexPair), true);
uint256 totalSupply = 10_000_000_000 * 1e18;
txLimit = (totalSupply) / 100;
walletLimit = (totalSupply) / 100;
buyFee = 14;
sellFee = 49;
minSwapbackLimit = (totalSupply * 5) / 10000;
maxSwapbackLimit = (totalSupply * 1) / 100;
marketingWallet = 0x5C9e7FB9c64E2306f477D52dD480a65F728A70CC;
wlFees[msg.sender] = true;
wlFees[marketingWallet] = true;
wlFees[address(this)] = true;
wlFees[address(0xdead)] = true;
wlTxLimit[owner()] = true;
wlTxLimit[address(this)] = true;
wlTxLimit[address(0xdead)] = true;
wlTxLimit[marketingWallet] = true;
_mint(msg.sender, totalSupply);
}
receive() external payable {}
function EndLaunch() external onlyOwner returns (bool) {
buyFee = 0;
sellFee = 0;
tradingLimited = false;
return true;
}
function _setDexPair(address pair, bool value) private {
dexPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function swapContractBalanceForFees() private {
uint256 tokenBalance = balanceOf(address(this));
bool success;
if (tokenBalance == 0) {
return;
}
if (tokenBalance > maxSwapbackLimit) {
tokenBalance = maxSwapbackLimit;
}
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenBalance);
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenBalance,
0,
path,
address(this),
block.timestamp
);
emit TaxesSwaped(tokenBalance, address(this).balance);
(success, ) = address(marketingWallet).call{
value: address(this).balance
}("");
}
function _update(
address from,
address to,
uint256 amount
) internal override {
if (amount == 0) {
super._update(from, to, 0);
return;
}
if (tradingLimited) {
if (
from != owner() &&
to != owner() &&
to != address(0) &&
to != address(0xdead) &&
!duringContractSell
) {
if (dexPairs[from] && !wlTxLimit[to]) {
require(
amount <= txLimit,
"Buy transfer amount exceeds the txLimit."
);
require(
amount + balanceOf(to) <= walletLimit,
"Max wallet exceeded"
);
}
else if (dexPairs[to] && !wlTxLimit[from]) {
require(
amount <= txLimit,
"Sell transfer amount exceeds the txLimit."
);
} else if (!wlTxLimit[to]) {
require(
amount + balanceOf(to) <= walletLimit,
"Max wallet exceeded"
);
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= minSwapbackLimit;
if (
canSwap &&
!duringContractSell &&
!dexPairs[from] &&
!wlFees[from] &&
!wlFees[to]
) {
duringContractSell = true;
swapContractBalanceForFees();
duringContractSell = false;
}
bool takeFee = !duringContractSell;
if (wlFees[from] || wlFees[to]) {
takeFee = false;
}
uint256 fees = 0;
if (takeFee) {
if (dexPairs[to] && sellFee > 0) {
fees = amount.mul(sellFee).div(100);
}
else if (dexPairs[from] && buyFee > 0) {
fees = amount.mul(buyFee).div(100);
}
if (fees > 0) {
super._update(from, address(this), fees);
}
amount -= fees;
}
super._update(from, to, amount);
}
}