Transaction Hash:
Block:
17784957 at Jul-27-2023 02:20:11 PM +UTC
Transaction Fee:
0.002016753466723 ETH
$4.86
Gas Used:
46,300 Gas / 43.55839021 Gwei
Emitted Events:
172 |
ELY.Approval( owner=[Sender] 0xff1d2a0ed92ca3a6c55d91ac351e42bf07da706f, spender=0xA564EB03...28b0aACAD, value=10000000000000000000 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x8ED2Fc62...591286839 | |||||
0xe688b84b...2CDB71127
Miner
| (Fee Recipient: 0xe68...127) | 1,249.404792962384075279 Eth | 1,249.404806852384075279 Eth | 0.00001389 | |
0xff1D2a0e...F07DA706F |
0.100008007399237852 Eth
Nonce: 1289
|
0.097991253932514852 Eth
Nonce: 1290
| 0.002016753466723 |
Execution Trace
ELY.approve( spender=0xA564EB037f79482e73830260Eb3e37028b0aACAD, amount=10000000000000000000 ) => ( True )
approve[ERC20 (ln:289)]
_msgSender[ERC20 (ln:290)]
_approve[ERC20 (ln:291)]
Approval[ERC20 (ln:467)]
/** Step into the Future with Project E L Y S S A! Elyssa is a groundbreaking initiative that aims to revolutionize DeSci, Digital Assets and Education through its innovative Augmented Reality applications. Website: http://elyssa.io Telegram: https://t.me/ElyssaAR Twitter: https://twitter.com/ElyssaAR * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ ////// SPDX-License-Identifier-FLATTEN-SUPPRESS-WARNING: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.17; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @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); /** * @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 `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, 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 `from` to `to` 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 from, address to, uint256 amount) external returns (bool); } /** * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ ////// SPDX-License-Identifier-FLATTEN-SUPPRESS-WARNING: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } /** * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ ////// SPDX-License-Identifier-FLATTEN-SUPPRESS-WARNING: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) ////import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ 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); } /** * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ ////// SPDX-License-Identifier-FLATTEN-SUPPRESS-WARNING: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/ERC20.sol) ////import "./IERC20.sol"; ////import "./extensions/IERC20Metadata.sol"; ////import "../../utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ 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: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, 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}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ 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; } /** * @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 updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, 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 updated 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) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `from` to `to`. * * 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: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ 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; // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by // decrementing then incrementing. _balances[to] += amount; } emit Transfer(from, to, amount); _afterTokenTransfer(from, to, 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; unchecked { // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above. _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; // Overflow not possible: amount <= accountBalance <= totalSupply. _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 Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ 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); } } } /** * @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 {} } /** * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ ////// SPDX-License-Identifier-FLATTEN-SUPPRESS-WARNING: MIT // OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol) // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. */ 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 subtraction 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; } } } /** * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ ////// SPDX-License-Identifier-FLATTEN-SUPPRESS-WARNING: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) ////import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ 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 Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { 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); } } /** * SourceUnit: /home/roholah/Desktop/Deploy-BSC-Token/contracts/Token.sol */ //SPDX-License-Identifier: MIT ////import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; ////import "@openzeppelin/contracts/access/Ownable.sol"; ////import "@openzeppelin/contracts/utils/math/SafeMath.sol"; ////import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; interface DexFactory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface DexRouter { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity); function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; } contract ELY is ERC20, Ownable { struct Tax { uint256 marketingTax; } uint256 private constant _totalSupply = 1e7 * 1e18; //Router DexRouter public immutable uniswapRouter; address public immutable pairAddress; //Taxes Tax public buyTaxes = Tax(20); Tax public sellTaxes = Tax(40); Tax public transferTaxes = Tax(0); //Whitelisting from taxes/maxwallet/txlimit/etc mapping(address => bool) private whitelisted; //Anti-bot and limitations uint256 public startBlock = 0; uint256 public deadBlocks = 5; uint256 public maxWallet = _totalSupply * 2 / 100; mapping(address => bool) public isBlacklisted; //Swapping uint256 public swapTokensAtAmount = _totalSupply / 100000; //after 0.001% of total supply, swap them bool public swapAndLiquifyEnabled = true; bool public isSwapping = false; //Wallets address public marketingWallet = 0xAfE6B307562E3b90a649E423e4Cb17bfF3Df90ea; //Events event marketingWalletChanged(address indexed _trWallet); event SwapThresholdUpdated(uint256 indexed _newThreshold); event InternalSwapStatusUpdated(bool indexed _status); event Whitelist(address indexed _target, bool indexed _status); bool public tradingEnabled = false; constructor() ERC20("Elyssa AR", "$ELY") { uniswapRouter = DexRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); pairAddress = DexFactory(uniswapRouter.factory()).createPair(address(this), uniswapRouter.WETH()); whitelisted[msg.sender] = true; whitelisted[address(uniswapRouter)] = true; whitelisted[address(this)] = true; _mint(msg.sender, _totalSupply); } function setmarketingWallet(address _newmarketing) external onlyOwner { require(_newmarketing != address(0), "can not set marketing to dead wallet"); marketingWallet = _newmarketing; emit marketingWalletChanged(_newmarketing); } function setSwapTokensAtAmount(uint256 _newAmount) external onlyOwner { require( _newAmount > 0 && _newAmount <= (_totalSupply * 1) / 100, "Minimum swap amount must be greater than 0 and less than 0.5% of total supply!" ); swapTokensAtAmount = _newAmount; emit SwapThresholdUpdated(swapTokensAtAmount); } function toggleSwapping() external onlyOwner { swapAndLiquifyEnabled = (swapAndLiquifyEnabled) ? false : true; } function setWhitelistStatus(address _wallet, bool _status) external onlyOwner { whitelisted[_wallet] = _status; emit Whitelist(_wallet, _status); } function checkWhitelist(address _wallet) external view returns (bool) { return whitelisted[_wallet]; } function blacklistAddress(address _target, bool _status) external onlyOwner { if (_status) { require(_target != pairAddress, "Can't blacklist liquidity pool"); require(_target != address(this), "Can't blacklisted the token"); } isBlacklisted[_target] = _status; } function blacklistAddresses(address[] memory _targets, bool[] memory _status) external onlyOwner { for (uint256 i = 0; i < _targets.length; i++) { if (_status[i]) { require(_targets[i] != pairAddress, "Can't blacklist liquidity pool"); require(_targets[i] != address(this), "Can't blacklisted the token"); } isBlacklisted[_targets[i]] = _status[i]; } } function startTrading() external onlyOwner { require(!tradingEnabled, "Trading already enabled"); tradingEnabled = true; startBlock = block.number; } function updateBuyTax(uint256 marketingTax) external onlyOwner { require(marketingTax <= 10, "can't set buy tax over 10%"); buyTaxes.marketingTax = marketingTax; } function updateSellTax(uint256 marketingTax) external onlyOwner { require(marketingTax <= 40, "can't set buy tax over 40%"); sellTaxes.marketingTax = marketingTax; } // this function is reponsible for managing tax, if _from or _to is whitelisted, we simply return _amount and skip all the limitations function _takeTax(address _from, address _to, uint256 _amount) internal returns (uint256) { if (whitelisted[_from] || whitelisted[_to]) { return _amount; } require(!isBlacklisted[_from] && !isBlacklisted[_to], "You are blocked from buy/sell/transfers"); require(tradingEnabled, "Trading not enabled yet!"); uint256 totalTax = 0; if (_to == pairAddress) { totalTax = sellTaxes.marketingTax; } else if (_from == pairAddress) { totalTax = buyTaxes.marketingTax; } if (_to != pairAddress) { require(_amount + balanceOf(_to) <= maxWallet, "can't buy more than max wallet"); } //if is a sniper, blacklist it, only works for 5 blocks after launch _antiBot(_from, _to); uint256 tax = 0; if (totalTax > 0) { tax = (_amount * totalTax) / 100; super._transfer(_from, address(this), tax); } return (_amount - tax); } function _transfer(address _from, address _to, uint256 _amount) internal virtual override { require(_from != address(0), "transfer from address zero"); require(_to != address(0), "transfer to address zero"); uint256 toTransfer = _takeTax(_from, _to, _amount); bool canSwap = balanceOf(address(this)) >= swapTokensAtAmount; if ( swapAndLiquifyEnabled && pairAddress == _to && canSwap && !whitelisted[_from] && !whitelisted[_to] && !isSwapping ) { isSwapping = true; internalSwap(swapTokensAtAmount); isSwapping = false; } super._transfer(_from, _to, toTransfer); } function internalSwap(uint256 swapAmount) internal { uint256 taxAmount = swapAmount; if (taxAmount == 0 || swapAmount == 0) { return; } swapToETH(balanceOf(address(this))); (bool success,) = marketingWallet.call{value: address(this).balance}(""); } //swap balalce of the contract to ETH function swapToETH(uint256 _amount) internal { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapRouter.WETH(); _approve(address(this), address(uniswapRouter), _amount); uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens( _amount, 0, path, address(this), block.timestamp ); } //change dead block in range 0-5, can only be done before launch function adjustDeadBlock(uint256 db) external onlyOwner { require(!tradingEnabled, "This function is disabled after launch"); require(db <= 5, "cant set deadblock count to more than 5"); deadBlocks = db; } //removing all limits here, must be called by owner, removes max wallet and sets buy/sell tax to 5/5 function removeLimits() external onlyOwner { maxWallet = _totalSupply; buyTaxes.marketingTax = 5; sellTaxes.marketingTax = 5; } //blacklist wallet if is in dead block, we don't want to blacklist liquidity pair, that would ruin everything function _antiBot(address from, address to) internal { if (block.number <= startBlock + deadBlocks) { if (from == pairAddress) { isBlacklisted[to] = true; } if (to == pairAddress) { isBlacklisted[from] = true; } } } //ETH got stuck? withdraw here function withdrawStuckETH() external onlyOwner { (bool success,) = address(msg.sender).call{value: address(this).balance}(""); require(success, "transferring ETH failed"); } //Tokens got stuck in the contract? withdraw them using this function function withdrawStuckTokens(address ERC20_token) external onlyOwner { bool success = IERC20(ERC20_token).transfer(msg.sender, IERC20(ERC20_token).balanceOf(address(this))); require(success, "trasfering tokens failed!"); } receive() external payable {} }