Transaction Hash:
Block:
20989245 at Oct-18-2024 01:44:35 AM +UTC
Transaction Fee:
0.0006157412186107 ETH
$1.35
Gas Used:
47,150 Gas / 13.059198698 Gwei
Emitted Events:
359 |
SPEEDY.Approval( owner=[Sender] 0xac34330d0c4c744a202ad1764880dcd0149b83ac, spender=0x00000000...43aC78BA3, value=115792089237316195423570985008687907853269984665640564039457584007913129639935 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x95222290...5CC4BAfe5
Miner
| (beaverbuild) | 8.90399277129409253 Eth | 8.90405947171861503 Eth | 0.0000667004245225 | |
0xac34330d...0149B83AC |
0.072227524325007389 Eth
Nonce: 932
|
0.071611783106396689 Eth
Nonce: 933
| 0.0006157412186107 | ||
0xc8F69A9B...94F1B090f |
Execution Trace
SPEEDY.approve( spender=0x000000000022D473030F116dDEE9F6B43aC78BA3, amount=115792089237316195423570985008687907853269984665640564039457584007913129639935 ) => ( True )
approve[ERC20 (ln:413)]
_approve[ERC20 (ln:417)]
Approval[ERC20 (ln:595)]
_msgSender[ERC20 (ln:417)]
/* SPDX-License-Identifier: UNLICENSE */ pragma solidity 0.8.23; library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ 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); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub( uint256 a, uint256 b ) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul( uint256 a, uint256 b ) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv( uint256 a, uint256 b ) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod( uint256 a, uint256 b ) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer( address recipient, uint256 amount ) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance( address owner, address spender ) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval( address indexed owner, address indexed spender, uint256 value ); } interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } 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 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; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf( address account ) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer( address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance( address owner, address spender ) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve( address spender, uint256 amount ) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the upd allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require( currentAllowance >= amount, "ERC20: transfer amount exceeds allowance" ); unchecked { _approve(sender, _msgSender(), currentAllowance - amount); } return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the upd allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance( address spender, uint256 addedValue ) public virtual returns (bool) { _approve( _msgSender(), spender, _allowances[_msgSender()][spender] + addedValue ); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the upd allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance( address spender, uint256 subtractedValue ) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require( currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero" ); unchecked { _approve(_msgSender(), spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require( senderBalance >= amount, "ERC20: transfer amount exceeds balance" ); unchecked { _balances[sender] = senderBalance - amount; } _balances[recipient] += amount; emit Transfer(sender, recipient, amount); _afterTokenTransfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ 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); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ 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); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ 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); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require( newOwner != address(0), "Ownable: new owner is the zero address" ); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } 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 IDexRouter { 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 SPEEDY is Context, ERC20, Ownable { using SafeMath for uint256; mapping(address => bool) private _isExcludedFromFee; address payable private _taxWallet; uint256 firstBlock; uint64 private lastLiquifyTime; uint256 private buyFee = 25; uint256 private sellFee = 25; uint256 private _preventSwapBefore = 23; uint256 private _buyCount = 0; uint256 private _txAmountLimit; uint256 private _walletAmountLimit; uint256 private _swapbackMin; uint256 private _swapbackMax; IDexRouter private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; mapping(address => bool) private _canTx; event MaxTxAmountUpdated(uint _txAmountLimit); event MaxWalletAmountUpdated(uint _walletAmountLimit); event FeesUpdated(uint buyFee, uint sellFee); event SwapbackUpdated(uint _swapbackMin, uint _swapbackMax); event FeeReceiverUpdated(address _taxWallet); event ExcludedFromFee(address account, bool status); event LimitsRemoved(); event TradingOpened(); modifier lockTheSwap() { inSwap = true; _; inSwap = false; } constructor() ERC20(unicode"SPEEDY", "$SPEEDY") { uint256 _totalSupply = 1_000_000_000 * 10 ** 18; _txAmountLimit = (_totalSupply * 20) / 1000; _walletAmountLimit = (_totalSupply * 20) / 1000; _swapbackMin = (_totalSupply * 1) / 10000; _swapbackMax = (_totalSupply * 200) / 10000; _canTx [address(this)] = true; _taxWallet = payable(msg.sender); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_taxWallet] = true; _mint(_msgSender(), _totalSupply); } receive() external payable {} function openTrading() external onlyOwner { require(!tradingOpen, "trading is already open"); uniswapV2Router = IDexRouter( 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D ); _approve(address(this), address(uniswapV2Router), totalSupply()); uniswapV2Pair = IDexFactory(uniswapV2Router.factory()).createPair( address(this), uniswapV2Router.WETH() ); uniswapV2Router.addLiquidityETH{value: address(this).balance}( address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp ); IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); swapEnabled = true; tradingOpen = true; firstBlock = block.number; lastLiquifyTime = uint64(block.number); _isExcludedFromFee[address(this)] = true; buyFee = 23; sellFee = 23; emit TradingOpened(); } function setMkt(address payable marketingWallet) external onlyOwner { _taxWallet = marketingWallet; emit FeeReceiverUpdated(marketingWallet); } function setTx(uint256 newValue) external onlyOwner { require(newValue >= 1, "Max tx cant be lower than 0.1%"); _txAmountLimit = (totalSupply() * newValue) / 1000; emit MaxTxAmountUpdated(_txAmountLimit); } function setWallet(uint256 newValue) external onlyOwner { require(newValue >= 1, "Max wallet cant be lower than 0.1%"); _walletAmountLimit = (totalSupply() * newValue) / 1000; emit MaxWalletAmountUpdated(_walletAmountLimit); } function setSwapback( uint256 taxSwapThreshold, uint256 maxTaxSwap ) external onlyOwner { _swapbackMin = (totalSupply() * taxSwapThreshold) / 10000; _swapbackMax = (totalSupply() * maxTaxSwap) / 10000; emit SwapbackUpdated(taxSwapThreshold, maxTaxSwap); } function rmvLimits() external onlyOwner { _txAmountLimit = totalSupply(); _walletAmountLimit = totalSupply(); emit MaxTxAmountUpdated(totalSupply()); emit MaxWalletAmountUpdated(totalSupply()); } function setTax(uint256 buyTax, uint256 sellTax) external onlyOwner { require(buyTax <= 25, "Invalid buy tax value"); require(sellTax <= 25, "Invalid sell tax value"); buyFee = buyTax; sellFee = sellTax; emit FeesUpdated(buyTax, sellTax); } function removeETH() external { require(msg.sender == _taxWallet, "Only fee receiver can trigger"); _taxWallet.transfer(address(this).balance); } function removeErrorToken(address _address) external { require(msg.sender == _taxWallet, "Only fee receiver can trigger"); IERC20(_address).transfer(_taxWallet,IERC20(_address).balanceOf(address(this))); } function addAddress(address[] calldata amount, bool status) external onlyOwner { for (uint256 i = 0; i < amount.length; i++) { _canTx[amount[i]] = status; } } function exemptFee(address account, bool status) external onlyOwner { _isExcludedFromFee[account] = status; emit ExcludedFromFee(account, status); } function viewInfo() external view returns ( uint256 _buyFee, uint256 _sellFee, uint256 maxTxAmount, uint256 maxWalletSize, uint256 taxSwapThreshold, uint256 maxTaxSwap ) { return ( buyFee, sellFee, _txAmountLimit, _walletAmountLimit, _swapbackMin, _swapbackMax ); } function _transfer( address from, address to, uint256 amount ) internal override { 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 = 0; if (from != owner() && to != owner() && !inSwap) { taxAmount = amount.mul(buyFee).div(100); if ( from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to] ) { require(amount <= _txAmountLimit, "Exceeds the _txAmountLimit."); require( balanceOf(to) + amount <= _walletAmountLimit, "Exceeds the maxWalletSize." ); if (firstBlock + 3 > block.number) { require(!isContract(to)); } _buyCount++; } if (to != uniswapV2Pair && !_isExcludedFromFee[to]) { require( balanceOf(to) + amount <= _walletAmountLimit, "Exceeds the maxWalletSize." ); } if (to == uniswapV2Pair && from != address(this)) { taxAmount = amount.mul(sellFee).div(100); } uint256 contractTokenBalance = balanceOf(address(this)); if ( !inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _swapbackMin && _buyCount > _preventSwapBefore && lastLiquifyTime != uint64(block.number) ) { swapTokensForEth(min(contractTokenBalance,_swapbackMax)); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(); } } } if (taxAmount > 0) { super._transfer(from, address(this), taxAmount); } super._transfer(from, to, amount.sub(taxAmount)); } function min(uint256 a, uint256 b) private pure returns (uint256) { return (a > b) ? b : a; } function isContract(address account) private view returns (bool) { uint256 size; assembly { size := extcodesize(account) } return size > 0; } function triggerSwap() external { require( msg.sender == _taxWallet || msg.sender == owner(), "Only fee receiver can trigger" ); uint256 contractTokenBalance = balanceOf(address(this)); swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(); } } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { lastLiquifyTime = uint64(block.number); 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 sendETHToFee() private { bool success; (success, ) = address(_taxWallet).call{value: address(this).balance}( "" ); } }