Transaction Hash:
Block:
21163715 at Nov-11-2024 10:02:23 AM +UTC
Transaction Fee:
0.000835639384759488 ETH
$1.57
Gas Used:
46,304 Gas / 18.046807722 Gwei
Emitted Events:
258 |
WAGMI.Approval( owner=[Sender] 0x2651d865ce09348ddc68b602550f9c9027a30d0b, spender=0xCf5540fF...7b0772559, value=841372579405906623594496 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x2651D865...027a30d0B |
0.273024142628171822 Eth
Nonce: 404
|
0.272188503243412334 Eth
Nonce: 405
| 0.000835639384759488 | ||
0x77791a1f...cD6E83113 | |||||
0x95222290...5CC4BAfe5
Miner
| (beaverbuild) | 12.979412901416232466 Eth | 12.979500036283432466 Eth | 0.0000871348672 |
Execution Trace
WAGMI.approve( spender=0xCf5540fFFCdC3d510B18bFcA6d2b9987b0772559, amount=841372579405906623594496 ) => ( True )
approve[ERC20 (ln:455)]
_approve[ERC20 (ln:459)]
Approval[ERC20 (ln:659)]
_msgSender[ERC20 (ln:459)]
/* * SPDX-License-Identifier: MIT * https://t.me/wagmioneth * https://www.wagmieth.com/ * https://x.com/wagmicoineth */ pragma solidity 0.8.19; 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 WAGMI is ERC20, Ownable { using SafeMath for uint256; IDexRouter private immutable dexRouter; address public immutable dexPair; // Swapback bool private swapping; bool private swapbackEnabled = false; uint256 private swapBackValueMin; uint256 private swapBackValueMax; //Anti-whale bool private limitsEnabled = true; uint256 private maxWallet; uint256 private maxTx; mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch bool public tradingEnabled = false; // Fee receivers address private marketingWallet; address private projectWallet; uint256 private buyTaxTotal; uint256 private buyMarketingTax; uint256 private buyProjectTax; uint256 private sellTaxTotal; uint256 private sellMarketingTax; uint256 private sellProjectTax; uint256 private tokensForMarketing; uint256 private tokensForProject; /******************/ // exclude from fees and max transaction amount mapping(address => bool) private transferTaxExempt; mapping(address => bool) private transferLimitExempt; mapping(address => bool) private automatedMarketMakerPairs; // store addresses that a automatic market maker pairs. Any transfer *to* these addresses // could be subject to a maximum transfer amount event UpdateUniswapV2Router( address indexed newAddress, address indexed oldAddress ); event ExcludeFromFees(address indexed account, bool isExcluded); event ExcludeFromLimits(address indexed account, bool isExcluded); event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value); event TradingEnabled(uint256 indexed timestamp); event LimitsRemoved(uint256 indexed timestamp); event DisabledTransferDelay(uint256 indexed timestamp); event SwapbackSettingsUpdated( bool enabled, uint256 swapBackValueMin, uint256 swapBackValueMax ); event MaxTxUpdated(uint256 maxTx); event MaxWalletUpdated(uint256 maxWallet); event MarketingWalletUpdated( address indexed newWallet, address indexed oldWallet ); event ProjectWalletUpdated( address indexed newWallet, address indexed oldWallet ); event BuyFeeUpdated( uint256 buyTaxTotal, uint256 buyMarketingTax, uint256 buyProjectTax ); event SellFeeUpdated( uint256 sellTaxTotal, uint256 sellMarketingTax, uint256 sellProjectTax ); constructor() ERC20("WAGMI", "WAGMI") { IDexRouter _dexRouter = IDexRouter( 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D ); exmptFrLimits(address(_dexRouter), true); dexRouter = _dexRouter; dexPair = IDexFactory(_dexRouter.factory()).createPair( address(this), _dexRouter.WETH() ); exmptFrLimits(address(dexPair), true); _setAutomatedMarketMakerPair(address(dexPair), true); uint256 _buyMarketingTax = 30; uint256 _buyProjectTax = 0; uint256 _sellMarketingTax = 30; uint256 _sellProjectTax = 0; uint256 _totalSupply = 1_000_000_000 * 10 ** decimals(); maxTx = (_totalSupply * 10) / 1000; maxWallet = (_totalSupply * 10) / 1000; swapBackValueMin = (_totalSupply * 1) / 1000; swapBackValueMax = (_totalSupply * 2) / 100; buyMarketingTax = _buyMarketingTax; buyProjectTax = _buyProjectTax; buyTaxTotal = buyMarketingTax + buyProjectTax; sellMarketingTax = _sellMarketingTax; sellProjectTax = _sellProjectTax; sellTaxTotal = sellMarketingTax + sellProjectTax; marketingWallet = address(0x8e286EF64D5A662B91a8B1E2d2c9C53d4542309c); projectWallet = address(msg.sender); // exclude from paying fees or having max transaction amount exmptFrFees(msg.sender, true); exmptFrFees(address(this), true); exmptFrFees(address(0xdead), true); exmptFrFees(marketingWallet, true); exmptFrLimits(msg.sender, true); exmptFrLimits(address(this), true); exmptFrLimits(address(0xdead), true); exmptFrLimits(marketingWallet, true); transferOwnership(msg.sender); /* _mint is an internal function in ERC20.sol that is only called here, and CANNOT be called ever again */ _mint(msg.sender, _totalSupply); } receive() external payable {} /** * @notice Opens public trading for the token * @dev onlyOwner. */ function enableTrading() external onlyOwner { tradingEnabled = true; swapbackEnabled = true; emit TradingEnabled(block.timestamp); } /** * @notice Removes the max wallet and max transaction limits * @dev onlyOwner. * Emits an {LimitsRemoved} event */ function removLmt() external onlyOwner { limitsEnabled = false; emit LimitsRemoved(block.timestamp); } /** * @notice sets if swapback is enabled and sets the minimum and maximum amounts * @dev onlyOwner. * Emits an {SwapbackSettingsUpdated} event * @param _enabled If swapback is enabled * @param _min The minimum amount of tokens the contract must have before swapping tokens for ETH. Base 10000, so 1% = 100. * @param _max The maximum amount of tokens the contract can swap for ETH. Base 10000, so 1% = 100. */ function setSBMnMxRange( bool _enabled, uint256 _min, uint256 _max ) external onlyOwner { require( _min >= 1, "Swap amount cannot be lower than 0.01% total supply." ); require(_max >= _min, "maximum amount cant be higher than minimum"); swapbackEnabled = _enabled; swapBackValueMin = (totalSupply() * _min) / 10000; swapBackValueMax = (totalSupply() * _max) / 10000; emit SwapbackSettingsUpdated(_enabled, _min, _max); } /** * @notice Changes the maximum amount of tokens that can be bought or sold in a single transaction * @dev onlyOwner. * Emits an {MaxTxUpdated} event * @param newMaxTxLimit Base 1000, so 1% = 10 */ function setMxTxLm(uint256 newMaxTxLimit) external onlyOwner { require(newMaxTxLimit >= 2, "Cannot set maxTx lower than 0.2%"); maxTx = (newMaxTxLimit * totalSupply()) / 1000; emit MaxTxUpdated(maxTx); } /** * @notice Changes the maximum amount of tokens a wallet can hold * @dev onlyOwner. * Emits an {MaxWalletUpdated} event * @param newMaxWalletLimit Base 1000, so 1% = 10 */ function setMxWltLm(uint256 newMaxWalletLimit) external onlyOwner { require(newMaxWalletLimit >= 5, "Cannot set maxWallet lower than 0.5%"); maxWallet = (newMaxWalletLimit * totalSupply()) / 1000; emit MaxWalletUpdated(maxWallet); } /** * @notice Sets if a wallet is excluded from the max wallet and tx limits * @dev onlyOwner. * Emits an {ExcludeFromLimits} event * @param updAds The wallet to update * @param isEx If the wallet is excluded or not */ function exmptFrLimits( address updAds, bool isEx ) public onlyOwner { transferLimitExempt[updAds] = isEx; emit ExcludeFromLimits(updAds, isEx); } /** * @notice Sets the fees for buys * @dev onlyOwner. * Emits a {BuyFeeUpdated} event * All fees added up must be less than 100 * @param _marketingFee The fee for the marketing wallet * @param _devFee The fee for the dev wallet */ function changeTaxForBuys( uint256 _marketingFee, uint256 _devFee ) external onlyOwner { buyMarketingTax = _marketingFee; buyProjectTax = _devFee; buyTaxTotal = buyMarketingTax + buyProjectTax; require(buyTaxTotal <= 100, "Total buy fee cannot be higher than 100%"); emit BuyFeeUpdated(buyTaxTotal, buyMarketingTax, buyProjectTax); } /** * @notice Sets the fees for sells * @dev onlyOwner. * Emits a {SellFeeUpdated} event * All fees added up must be less than 100 * @param _marketingFee The fee for the marketing wallet * @param _devFee The fee for the dev wallet */ function changeTaxForSells( uint256 _marketingFee, uint256 _devFee ) external onlyOwner { sellMarketingTax = _marketingFee; sellProjectTax = _devFee; sellTaxTotal = sellMarketingTax + sellProjectTax; require( sellTaxTotal <= 100, "Total sell fee cannot be higher than 100%" ); emit SellFeeUpdated(sellTaxTotal, sellMarketingTax, sellProjectTax); } /** * @notice Sets if an address is excluded from fees * @dev onlyOwner. * Emits an {ExcludeFromFees} event * @param account The wallet to update * @param excluded If the wallet is excluded or not */ function exmptFrFees(address account, bool excluded) public onlyOwner { transferTaxExempt[account] = excluded; emit ExcludeFromFees(account, excluded); } /** * @notice Sets an address as a new liquidity pair. You probably dont want to do this. * @dev onlyOwner. * Emits a {SetAutomatedMarketMakerPair} event * @param pair the address of the pair * @param value If the pair is a automated market maker pair or not */ function setAutomatedMarketMakerPair( address pair, bool value ) public onlyOwner { require( pair != dexPair, "The pair cannot be removed from automatedMarketMakerPairs" ); _setAutomatedMarketMakerPair(pair, value); } function _setAutomatedMarketMakerPair(address pair, bool value) private { automatedMarketMakerPairs[pair] = value; emit SetAutomatedMarketMakerPair(pair, value); } /** * @notice Sets the marketing wallet * @dev onlyOwner. * Emits an {MarketingWalletUpdated} event * @param newWallet The new marketing wallet */ function changeMktingWallet(address newWallet) external onlyOwner { emit MarketingWalletUpdated(newWallet, marketingWallet); marketingWallet = newWallet; } /** * @notice Sets the project wallet * @dev onlyOwner. * Emits an {ProjectWalletUpdated} event * @param newWallet The new dev wallet */ function changePrjWallet(address newWallet) external onlyOwner { emit ProjectWalletUpdated(newWallet, projectWallet); projectWallet = newWallet; } /** * @notice Information about the swapback settings * @return _swapbackEnabled if swapback is enabled * @return _swapBackValueMin the minimum amount of tokens in the contract balance to trigger swapback * @return _swapBackValueMax the maximum amount of tokens in the contract balance to trigger swapback */ function swapbackVlues() external view returns ( bool _swapbackEnabled, uint256 _swapBackValueMin, uint256 _swapBackValueMax ) { _swapbackEnabled = swapbackEnabled; _swapBackValueMin = swapBackValueMin; _swapBackValueMax = swapBackValueMax; } /** * @notice Information about the anti whale parameters * @return _limitsEnabled if the wallet limits are in effect * @return _maxWallet The maximum amount of tokens that can be held by a wallet * @return _maxTx The maximum amount of tokens that can be bought or sold in a single transaction */ function maxTxVlues() external view returns ( bool _limitsEnabled, uint256 _maxWallet, uint256 _maxTx ) { _limitsEnabled = limitsEnabled; _maxWallet = maxWallet; _maxTx = maxTx; } /** * @notice The wallets that receive the collected fees * @return _marketingWallet The wallet that receives the marketing fees * @return _projectWallet The wallet that receives the dev fees */ function receiverwlets() external view returns (address _marketingWallet, address _projectWallet) { return (marketingWallet, projectWallet); } /** * @notice Fees for buys, sells, and transfers * @return _buyTaxTotal The total fee for buys * @return _buyMarketingTax The fee for buys that gets sent to marketing * @return _buyProjectTax The fee for buys that gets sent to dev * @return _sellTaxTotal The total fee for sells * @return _sellMarketingTax The fee for sells that gets sent to marketing * @return _sellProjectTax The fee for sells that gets sent to dev */ function taxVlues() external view returns ( uint256 _buyTaxTotal, uint256 _buyMarketingTax, uint256 _buyProjectTax, uint256 _sellTaxTotal, uint256 _sellMarketingTax, uint256 _sellProjectTax ) { _buyTaxTotal = buyTaxTotal; _buyMarketingTax = buyMarketingTax; _buyProjectTax = buyProjectTax; _sellTaxTotal = sellTaxTotal; _sellMarketingTax = sellMarketingTax; _sellProjectTax = sellProjectTax; } /** * @notice If the wallet is excluded from fees and max transaction amount and if the wallet is a automated market maker pair * @param _target The wallet to check * @return _transferTaxExempt If the wallet is excluded from fees * @return _transferLimitExempt If the wallet is excluded from max transaction amount * @return _automatedMarketMakerPairs If the wallet is a automated market maker pair */ function checkMappings( address _target ) external view returns ( bool _transferTaxExempt, bool _transferLimitExempt, bool _automatedMarketMakerPairs ) { _transferTaxExempt = transferTaxExempt[_target]; _transferLimitExempt = transferLimitExempt[_target]; _automatedMarketMakerPairs = automatedMarketMakerPairs[_target]; } 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"); if (amount == 0) { super._transfer(from, to, 0); return; } if (limitsEnabled) { if ( from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping ) { if (!tradingEnabled) { require( transferTaxExempt[from] || transferTaxExempt[to], "_transfer:: Trading is not active." ); } //when buy if ( automatedMarketMakerPairs[from] && !transferLimitExempt[to] ) { require( amount <= maxTx, "Buy transfer amount exceeds the maxTx." ); require( amount + balanceOf(to) <= maxWallet, "Max wallet exceeded" ); } //when sell else if ( automatedMarketMakerPairs[to] && !transferLimitExempt[from] ) { require( amount <= maxTx, "Sell transfer amount exceeds the maxTx." ); } else if (!transferLimitExempt[to]) { require( amount + balanceOf(to) <= maxWallet, "Max wallet exceeded" ); } } } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= swapBackValueMin; if ( canSwap && swapbackEnabled && !swapping && !automatedMarketMakerPairs[from] && !transferTaxExempt[from] && !transferTaxExempt[to] ) { swapping = true; swapBack(); swapping = false; } bool takeFee = !swapping; // if any account belongs to _isExcludedFromFee account then remove the fee if (transferTaxExempt[from] || transferTaxExempt[to]) { takeFee = false; } uint256 fees = 0; // only take fees on buys/sells, do not take on wallet transfers if (takeFee) { // on sell if (automatedMarketMakerPairs[to] && sellTaxTotal > 0) { fees = amount.mul(sellTaxTotal).div(100); tokensForProject += (fees * sellProjectTax) / sellTaxTotal; tokensForMarketing += (fees * sellMarketingTax) / sellTaxTotal; } // on buy else if (automatedMarketMakerPairs[from] && buyTaxTotal > 0) { fees = amount.mul(buyTaxTotal).div(100); tokensForProject += (fees * buyProjectTax) / buyTaxTotal; tokensForMarketing += (fees * buyMarketingTax) / buyTaxTotal; } if (fees > 0) { super._transfer(from, address(this), fees); } amount -= fees; } super._transfer(from, to, amount); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = dexRouter.WETH(); _approve(address(this), address(dexRouter), tokenAmount); // make the swap dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function swapBack() private { uint256 contractBalance = balanceOf(address(this)); uint256 totalTokensToSwap = contractBalance; bool success; if (contractBalance == 0) { return; } if (contractBalance > swapBackValueMax) { contractBalance = swapBackValueMax; } uint256 amountToSwapForETH = contractBalance; uint256 initialETHBalance = address(this).balance; swapTokensForEth(amountToSwapForETH); uint256 ethBalance = address(this).balance.sub(initialETHBalance); uint256 ethForDev = ethBalance.mul(tokensForProject).div( totalTokensToSwap ); tokensForMarketing = 0; tokensForProject = 0; (success, ) = address(projectWallet).call{value: ethForDev}(""); (success, ) = address(marketingWallet).call{ value: address(this).balance }(""); } }