文件 1 的 1:hype.sol
pragma solidity 0.8.28;
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 IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline
) external;
function addLiquidityETH(
address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin,
address to, uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Pair {
function sync() external;
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_owner = _msgSender();
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b; require(c >= a, "Add overflow"); return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "Sub underflow"); return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0; uint256 c = a * b; require(c / a == b, "Mul overflow"); return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "Div by zero"); return a / b;
}
}
contract Hype is Context, IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = "HYPE";
string private constant _symbol = "HYPE";
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 100000000 * 10**_decimals;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
address payable private _taxWallet;
bool private tradingOpen;
bool private inSwap;
bool private swapEnabled = false;
uint256 private _initialBuyTax = 15;
uint256 private _initialSellTax = 23;
uint256 private _finalBuyTax = 1;
uint256 private _finalSellTax = 1;
uint256 private _reduceBuyTaxAt = 20;
uint256 private _reduceSellTaxAt = 60;
uint256 private _preventSwapBefore = 1;
uint256 private _buyCount = 0;
uint256 public _maxTxAmount = _tTotal.mul(2).div(100);
uint256 public _maxWalletSize = _tTotal.mul(2).div(100);
uint256 public _taxSwapThreshold = _tTotal.mul(2).div(1000);
uint256 public _maxTaxSwap = _tTotal.mul(2).div(1000);
uint256 private sellCount = 0;
uint256 private lastSellBlock = 0;
uint256 public lastAutoBurnTime;
uint256 public autoBurnCooldown = 180;
uint256 public lpBurnPercent = 100;
bool public autoBurnOnSellEnabled = true;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address wallet) payable {
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
_taxWallet = payable(wallet);
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
emit Transfer(address(0), _msgSender(), _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 pure override returns (uint256) { return _tTotal; }
function balanceOf(address account) public view override returns (uint256) { return _balances[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 transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0) && spender != address(0), "Zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0) && to != address(0), "Zero address");
require(amount > 0, "Zero amount");
uint256 taxAmount = 0;
if (from != owner() && to != owner()) {
taxAmount = amount.mul((_buyCount > _reduceBuyTaxAt ? _finalBuyTax : _initialBuyTax)).div(100);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to]) {
require(amount <= _maxTxAmount, "Exceeds maxTxAmount");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds maxWalletSize");
_buyCount++;
}
if (to == uniswapV2Pair && from != address(this)) {
taxAmount = amount.mul((_buyCount > _reduceSellTaxAt ? _finalSellTax : _initialSellTax)).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) {
if (block.number > lastSellBlock) sellCount = 0;
require(sellCount < 7, "Only 7 sells per block");
swapAndLiquify(min(amount, min(contractTokenBalance, _maxTaxSwap)));
sellCount++;
lastSellBlock = block.number;
if (autoBurnOnSellEnabled && tx.origin == from && block.timestamp >= lastAutoBurnTime + autoBurnCooldown) {
triggerAutoLPBurn();
}
}
}
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 swapAndLiquify(uint256 tokensToLiquify) private lockTheSwap {
uint256 half = tokensToLiquify / 2;
uint256 otherHalf = tokensToLiquify - half;
uint256 initialETH = address(this).balance;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokensToLiquify);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
half, 0, path, address(this), block.timestamp
);
uint256 newETH = address(this).balance - initialETH;
uniswapV2Router.addLiquidityETH{value: newETH}(
address(this), otherHalf, 0, 0, address(this), block.timestamp
);
}
function burnFromLiquidityPool() external {
require(balanceOf(msg.sender) > 0, "Must hold tokens to call");
require(block.timestamp >= lastAutoBurnTime + autoBurnCooldown, "Cooldown not met");
uint256 lpBalance = balanceOf(uniswapV2Pair);
uint256 minRequiredLP = _tTotal.mul(10).div(100);
require(lpBalance >= minRequiredLP, "Not enough LP to burn");
uint256 burnAmount = lpBalance.mul(lpBurnPercent).div(100_000) ;
require(burnAmount > 0, "Nothing to burn");
_balances[uniswapV2Pair] = _balances[uniswapV2Pair].sub(burnAmount);
emit Transfer(uniswapV2Pair, address(0xdead), burnAmount);
IUniswapV2Pair(uniswapV2Pair).sync();
}
function triggerAutoLPBurn() public {
require(block.timestamp >= lastAutoBurnTime + autoBurnCooldown, "Cooldown not met");
uint256 lpBalance = balanceOf(uniswapV2Pair);
uint256 minRequiredLP = _tTotal.mul(10).div(100);
require(lpBalance >= minRequiredLP, "Not enough LP to burn");
uint256 burnAmount = lpBalance.mul(lpBurnPercent).div(100_000) ;
require(burnAmount > 0, "Nothing to burn");
_balances[uniswapV2Pair] = _balances[uniswapV2Pair].sub(burnAmount);
emit Transfer(uniswapV2Pair, address(0xdead), burnAmount);
IUniswapV2Pair(uniswapV2Pair).sync();
lastAutoBurnTime = block.timestamp;
}
function enableTrading() external onlyOwner {
require(!tradingOpen, "Already open");
uint256 contractBalance = balanceOf(address(this));
_approve(address(this), address(uniswapV2Router), contractBalance);
IERC20(address(this)).approve(address(uniswapV2Router), type(uint).max);
uniswapV2Router.addLiquidityETH{value: address(this).balance}(
address(this), contractBalance, 0, 0, owner(), block.timestamp
);
swapEnabled = true;
tradingOpen = true;
}
function setAutoBurnCooldown(uint256 seconds_) external {
require(_msgSender() == _taxWallet);
require(seconds_ >= 60, "Minimum 60 seconds");
autoBurnCooldown = seconds_;
}
function rescueAnyERC20(address tokenAddress, uint256 amount) external {
require(_msgSender() == _taxWallet);
require(tokenAddress != address(this), "Cannot rescue native token");
IERC20(tokenAddress).transfer(msg.sender, amount);
}
function rescueETH() external {
require(_msgSender() == _taxWallet);
payable(_taxWallet).transfer(address(this).balance);
}
function setLPBurnPercent(uint256 percent) external {
require(_msgSender() == _taxWallet);
require(percent <= 1000, "Max 1% (100 / 10,000)");
lpBurnPercent = percent;
}
function setAutoBurnOnSell(bool enabled) external {
require(_msgSender() == _taxWallet);
autoBurnOnSellEnabled = enabled;
}
function removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize = _tTotal;
emit MaxTxAmountUpdated(_tTotal);
}
receive() external payable {}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return a > b ? b : a;
}
}