文件 1 的 1:SETH.sol
pragma solidity 0.8.17;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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);
}
}
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);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
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;
_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 {}
}
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 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 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 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 IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router01 {
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 removeLiquidity(address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin,
uint256 amountBMin, address to, uint256 deadline)
external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(address token, uint256 liquidity, uint256 amountTokenMin,
uint256 amountETHMin, address to, uint256 deadline)
external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(address tokenA, address tokenB, uint256 liquidity,
uint256 amountAMin, uint256 amountBMin, address to,
uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s)
external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(address token, uint256 liquidity, uint256 amountTokenMin,
uint256 amountETHMin, address to, uint256 deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s)
external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(uint256 amountIn, uint256 amountOutMin, address[] calldata path,
address to, uint256 deadline)
external returns (uint256[] memory amounts);
function swapTokensForExactTokens(uint256 amountOut, uint256 amountInMax, address[] calldata path,
address to, uint256 deadline)
external returns (uint256[] memory amounts);
function swapExactETHForTokens(uint256 amountOutMin, address[] calldata path, address to,
uint256 deadline)
external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(uint256 amountOut, uint256 amountInMax, address[] calldata path,
address to, uint256 deadline)
external returns (uint256[] memory amounts);
function swapExactTokensForETH(uint256 amountIn, uint256 amountOutMin, address[] calldata path,
address to, uint256 deadline)
external returns (uint256[] memory amounts);
function swapETHForExactTokens(uint256 amountOut, address[] calldata path, address to,
uint256 deadline)
external payable returns (uint256[] memory amounts);
function quote(uint256 amountA, uint256 reserveA, uint256 reserveB)
external pure returns (uint256 amountB);
function getAmountOut(uint256 amountIn, uint256 reserveIn, uint256 reserveOut)
external pure returns (uint256 amountOut);
function getAmountIn(uint256 amountOut, uint256 reserveIn, uint256 reserveOut)
external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external view returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external view returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(address token, uint256 liquidity,
uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline)
external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(address token, uint256 liquidity,
uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline, bool approveMax,
uint8 v, bytes32 r, bytes32 s) external returns (uint256 amountETH);
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 SETH is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
address public DEAD = 0x000000000000000000000000000000000000dEaD;
bool private swapping;
bool public tradingEnabled = false;
uint256 internal sellAmount = 1;
uint256 internal buyAmount = 1;
uint256 private totalSellFees;
uint256 private totalBuyFees;
address payable public marketingWallet;
uint256 public maxWallet;
bool public maxWalletEnabled = true;
uint256 public swapTokensAtAmount;
uint256 public sellMarketingFees;
uint256 public buyMarketingFees;
bool public swapAndLiquifyEnabled = true;
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public automatedMarketMakerPairs;
mapping(address => bool) private canTransferBeforeTradingIsEnabled;
bool public limitsInEffect = true;
mapping(address => uint256) private _holderLastTransferBlock;
mapping(address => uint256) private _holderLastTransferTimestamp;
uint256 public launchblock;
uint256 private deadblocks;
uint256 public launchtimestamp;
uint256 public cooldowntimer = 60;
event EnableSwapAndLiquify(bool enabled);
event updateMarketingWallet(address wallet);
event updateDevWallet(address wallet);
event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
event TradingEnabled();
event UpdateFees(uint256 sellMarketingFees, uint256 buyMarketingFees);
event ExcludeFromFees(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived);
event SendDividends(uint256 opAmount, bool success);
constructor() ERC20("SETH", "SETH") {
marketingWallet = payable(0xf430eb562f9EC9dceBAfffc7c66fAa6bd2000000);
address router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
buyMarketingFees = 0;
sellMarketingFees = 4;
totalBuyFees = buyMarketingFees;
totalSellFees = sellMarketingFees;
uniswapV2Router = IUniswapV2Router02(router);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
address(this), uniswapV2Router.WETH());
_setAutomatedMarketMakerPair(uniswapV2Pair, true);
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[msg.sender] = true;
_isExcludedFromFees[marketingWallet] = true;
uint _totalSupply = 100_000_000_000_000 ether;
_mint(owner(), _totalSupply);
maxWallet = 1_000_000_000_000 * (10**18);
swapTokensAtAmount = _totalSupply / 1000;
canTransferBeforeTradingIsEnabled[owner()] = true;
canTransferBeforeTradingIsEnabled[address(this)] = true;
}
receive() external payable {}
function enableTrading(uint256 setdeadblocks) external onlyOwner {
require(!tradingEnabled);
tradingEnabled = true;
launchblock = block.number;
launchtimestamp = block.timestamp;
deadblocks = setdeadblocks;
emit TradingEnabled();
}
function setMarketingWallet(address wallet) external onlyOwner {
_isExcludedFromFees[wallet] = true;
marketingWallet = payable(wallet);
emit updateMarketingWallet(wallet);
}
function setMaxWalletEnabled(bool value) external onlyOwner {
maxWalletEnabled = value;
}
function setExcludeFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function setCanTransferBeforeTradingIsEnabled(address account, bool excluded) public onlyOwner {
canTransferBeforeTradingIsEnabled[account] = excluded;
}
function setLimitsInEffect(bool value) external onlyOwner {
limitsInEffect = value;
}
function sweep() external onlyOwner {
uint256 amountETH = address(this).balance;
payable(msg.sender).transfer(amountETH);
}
function setSwapTriggerAmount(uint256 amount) public onlyOwner {
swapTokensAtAmount = amount * (10**18);
}
function enableSwapAndLiquify(bool enabled) public onlyOwner {
require(swapAndLiquifyEnabled != enabled);
swapAndLiquifyEnabled = enabled;
emit EnableSwapAndLiquify(enabled);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateFees(uint256 marketingBuy, uint256 marketingSell) public onlyOwner {
buyMarketingFees = marketingBuy;
sellMarketingFees = marketingSell;
totalSellFees = sellMarketingFees;
totalBuyFees = buyMarketingFees;
require(totalSellFees <= 10 && totalBuyFees <= 5, "total fees cannot be higher than 5% buys 10% sells");
emit UpdateFees(sellMarketingFees, buyMarketingFees);
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
function _transfer(address from, address to, uint256 amount) internal override {
require(from != address(0), "IERC20: transfer from the zero address");
require(to != address(0), "IERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 marketingFees;
if (!canTransferBeforeTradingIsEnabled[from]) {
require(tradingEnabled, "Trading has not yet been enabled");
}
if (to == DEAD) {
_burn(from, amount);
return;
}
else if (
!swapping && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
bool isSelling = automatedMarketMakerPairs[to];
bool isBuying = automatedMarketMakerPairs[from];
if (!isBuying && !isSelling) {
super._transfer(from, to, amount);
return;
}
else if (isSelling) {
marketingFees = sellMarketingFees;
if (limitsInEffect) {
require(block.timestamp >= _holderLastTransferTimestamp[tx.origin] + cooldowntimer,
"One Sell Per 60 Seconds");
_holderLastTransferTimestamp[tx.origin] = block.timestamp;
}
}
else if (isBuying) {
marketingFees = buyMarketingFees;
if (limitsInEffect) {
require(block.number > launchblock + deadblocks,"Bought Too Fast");
require(_holderLastTransferBlock[tx.origin] != block.number,"One Buy per block");
_holderLastTransferBlock[tx.origin] = block.number;
}
if (maxWalletEnabled) {
uint256 contractBalanceRecipient = balanceOf(to);
require(contractBalanceRecipient + amount <= maxWallet,
"Exceeds maximum wallet" );
}
}
uint256 totalFees = marketingFees;
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (canSwap && isSelling) {
swapping = true;
if (swapAndLiquifyEnabled && marketingFees > 0 && totalBuyFees > 0) {
uint256 totalBuySell = buyAmount.add(sellAmount);
uint256 swapAmountBought = contractTokenBalance
.mul(buyAmount)
.div(totalBuySell);
uint256 swapAmountSold = contractTokenBalance
.mul(sellAmount)
.div(totalBuySell);
uint256 swapBuyTokens = swapAmountBought
.mul(marketingFees)
.div(totalBuyFees);
uint256 swapSellTokens = swapAmountSold
.mul(marketingFees)
.div(totalSellFees);
uint256 swapTokens = swapSellTokens.add(swapBuyTokens);
swapAndLiquify(swapTokens);
}
uint256 swapBalance = balanceOf(address(this));
swapAndSendDividends(swapBalance);
buyAmount = 0;
sellAmount = 0;
swapping = false;
}
uint256 fees = amount.mul(totalFees).div(100);
amount = amount.sub(fees);
if (isSelling) {
sellAmount = sellAmount.add(fees);
} else {
buyAmount = buyAmount.add(fees);
}
super._transfer(from, address(this), fees);
}
super._transfer(from, to, amount);
}
function swapAndLiquify(uint256 tokens) private {
uint256 half = tokens;
uint256 initialBalance = address(this).balance;
swapTokensForEth(half);
uint256 newBalance = address(this).balance.sub(initialBalance);
emit SwapAndLiquify(half, newBalance);
}
function swapTokensForEth(uint256 tokenAmount) private {
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 forceSwapAndSendDividends(uint256 tokens) public onlyOwner {
tokens = tokens * (10**18);
uint256 totalAmount = buyAmount.add(sellAmount);
uint256 fromBuy = tokens.mul(buyAmount).div(totalAmount);
uint256 fromSell = tokens.mul(sellAmount).div(totalAmount);
swapAndSendDividends(tokens);
buyAmount = buyAmount.sub(fromBuy);
sellAmount = sellAmount.sub(fromSell);
}
function swapAndSendDividends(uint256 tokens) private {
if (tokens == 0) {
return;
}
swapTokensForEth(tokens);
bool success = true;
bool successOp1 = true;
uint256 _completeFees = sellMarketingFees + buyMarketingFees;
uint256 feePortions;
if (_completeFees > 0) {
feePortions = address(this).balance.div(_completeFees);
}
uint256 marketingPayout = buyMarketingFees.add(sellMarketingFees) * feePortions;
if (marketingPayout > 0) {
(success, ) = address(marketingWallet).call{value: marketingPayout}("");
}
emit SendDividends(
marketingPayout,
success && successOp1
);
}
}