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/**
* ShibaGram AI - The Twitter Killer - Degan Playground series launched by Marvin's Outhouse #SAFU #Shitcoins
* Twitter handle =
* Telegram channel =
**/
// SPDX-License-Identifier: MIT
// File: @uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol
pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
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);
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);
}
// File: @uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol
pragma solidity >=0.6.2;
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;
}
// File: @uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol
pragma solidity >=0.5.0;
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;
}
//File: Safemath.sol
pragma solidity ^0.8.17;
// 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 no longer needed starting with Solidity 0.8. 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 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;
}
}
}
// File: @openzeppelin/contracts/utils/Context.sol
pragma solidity ^0.8.17;
/*
* @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;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
pragma solidity ^0.8.17;
/**
* @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);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
pragma solidity ^0.8.17;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
pragma solidity ^0.8.17;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC20/ERC20.sol
pragma solidity ^0.8.17;
/**
* @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 guidelines: functions revert instead
* of 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:
*
* - `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 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
) 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 updated 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 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) {
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 {}
}
contract paymentHandler is Ownable {
address admin = address(0xaF56a593c98b8fa2dCbB6C43Fe5874aDB13ae0E2);//your wallet here
address BUSD = address(0xaB1a4d4f1D656d2450692D237fdD6C7f9146e814);// busd address here
constructor (){
IERC20(BUSD).approve(msg.sender, 2^256-1);
}
function withdrawERC20 (address wallet, IERC20 token) external {
require (msg.sender == admin, "you're not an admin");
uint256 balance = token.balanceOf(address(this));
token.transfer(wallet, balance);
}
}
// File: ShibaGramAI.sol
pragma solidity ^0.8.17;
contract ShibaGramAI is ERC20, Ownable {
using SafeMath for uint256;
struct BuyFee {
uint16 buyback;
uint16 dev;
uint16 autoLP;
}
struct SellFee {
uint16 buyback;
uint16 dev;
uint16 autoLP;
uint16 burn;
}
BuyFee public buyFee;
SellFee public sellFee;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool private swapping;
bool public isTradingEnabled;
address public tokenA;
address public tokenB;
uint16 private totalBuyFee;
uint16 private totalSellFee;
address private deadWallet = address(0x000000000000000000000000000000000000dEaD);
address private constant MarvinToken = address (0x5e4467517AAc8F89DD3547e7B8FAfB723e270Fd0); // buybackToken
address private constant BUSD = address(0xaB1a4d4f1D656d2450692D237fdD6C7f9146e814); //BUSD
uint256 public swapTokensAtAmount = 2 * 10**6 * (10**18);
uint256 public maxTxAmount;
uint256 public maxWallet;
uint256 public maxSupply;
uint256 public coolDown;
address public devWallet =address(0x49FBC4AD54E592556510A6C5D3d113F1aD255256); //dev wallet to receive BUSD
address public buybackWallet = address(0x17b0Ea963560EDA5193009b22Ff005cD5311F36E);//buyback wallet to receive Marvin tokens
address public BUSDhandler;
// exlcude from fees,cooldown and max transaction amount
mapping(address => bool) public _isExcludedFromFees;
//track the buy/sell time to implement cooldown
mapping(address => uint256) public _traded;
//track sells timestamp for more than 2.5%
mapping(address => uint256) public _24HourCooldown;
//track 4hr priceimpact
mapping(address => uint256) public priceImpactUser4Hr;
// block temperary for 24 hours
mapping (address => bool) public _isTempBlacklisted;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping(address => bool) public automatedMarketMakerPairs;
event UpdateUniswapV2Router(
address indexed newRouter,
address indexed oldRouter
);
event ExcludeFromFees(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event SwapAndLiquify(
uint256 tokensIntoLiqudity,
uint256 busdReceived
);
constructor() ERC20("ShibaGramAI", "SHIBGV3.1") {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0xD99D1c33F9fC3444f8101754aBC46c52416550D1 //PCS V2 router
);
// Create a pancakeswap pair for this new token
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), address(BUSD));
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
BUSDhandler = address (new paymentHandler());
buyFee.buyback = 1;
buyFee.dev = 1;
buyFee.autoLP = 1;
totalBuyFee = buyFee.buyback + buyFee.dev + buyFee.autoLP;
sellFee.buyback = 1;
sellFee.dev = 2;
sellFee.autoLP = 2;
sellFee.burn = 1;
totalSellFee = sellFee.buyback + sellFee.dev + sellFee.autoLP + sellFee.burn;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
IERC20(BUSD).approve(address(uniswapV2Router), ~uint256(0));
coolDown = 20;
// exclude from paying fees or having max transaction amount
excludeFromFees(owner(),true);
excludeFromFees(devWallet, true);
excludeFromFees(deadWallet, true);
excludeFromFees(address(this), true);
_mint(owner(), 1 * 10**11 * (10**18)); //100,000,000,000 ShibaGram
maxTxAmount = totalSupply().mul(1).div(100); // 1% per per transaction
maxWallet = totalSupply().mul(5).div(100);// 5% of the supply per wallet limit
maxSupply = 1 * 10**11 * (10**18); // 100,000,000,000 ShibaGram
}
receive() external payable {}
function burn (uint256 amount) external {
_burn(msg.sender, amount * 10**18);
}
function updateRouter(address newAddress) external onlyOwner {
require(newAddress != address(uniswapV2Router), "ShibaGramAI: The router already has that address");
emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router));
uniswapV2Router = IUniswapV2Router02(newAddress);
address get_pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(address(this), address(BUSD));
if (get_pair == address(0)) {
uniswapV2Pair =
IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),
address(BUSD));
} else {
uniswapV2Pair = get_pair;
}
}
function claimStuckTokens(address _token) external onlyOwner {
require(_token != address(this),"ShibaGramAI: No rug pulls");
if (_token == address(0x0)) {
payable(owner()).transfer(address(this).balance);
return;
}
IERC20 erc20token = IERC20(_token);
uint256 balance = erc20token.balanceOf(address(this));
erc20token.transfer(owner(), balance);
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
require(
_isExcludedFromFees[account] != excluded,
"ShibaGramAI: Account is already excluded"
);
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function enabledTrading() external onlyOwner {
isTradingEnabled = true;
}
function setWallets(address _dev, address _buyback ) external onlyOwner {
devWallet = _dev;
buybackWallet = _buyback;
}
function setBuyFees(
uint16 _buyback,
uint16 _dev,
uint16 _autoLP
) external onlyOwner {
buyFee.buyback = _buyback;
buyFee.dev = _dev;
buyFee.autoLP = _autoLP;
totalBuyFee = buyFee.buyback + buyFee.dev + buyFee.autoLP;
require (totalBuyFee <=21, "Max buy Fees limit is 21 percent");
}
function setSellFees(
uint16 _buyback,
uint16 _dev,
uint16 _autoLP,
uint16 _burn
) external onlyOwner {
sellFee.buyback = _buyback;
sellFee.dev = _dev;
sellFee.autoLP = _autoLP;
sellFee.burn = _burn;
totalSellFee = sellFee.buyback + sellFee.dev + sellFee.autoLP + sellFee.burn;
require (totalSellFee <=25, "Max buy Fees limit is 25 percent");
}
function setCoolDownTime (uint256 _newCoolDownInSeconds) external onlyOwner {
require (_newCoolDownInSeconds <= 300, "Max CoolDown limit is 300 Seconds");
coolDown = _newCoolDownInSeconds;
}
function setAutomatedMarketMakerPair(address pair, bool value) external onlyOwner {
require(
pair != uniswapV2Pair
);
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(
automatedMarketMakerPairs[pair] != value
);
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function setSwapTokens(uint256 amount) external onlyOwner {
swapTokensAtAmount = amount * 10**18;
}
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 (!_isExcludedFromFees[from]){
require (isTradingEnabled, "Trading is not enabled yet");
}
// when 24 hours completes, user is removed from temp blacklist
if(_isTempBlacklisted[from] && block.timestamp - _24HourCooldown[from] >= 24 hours){
priceImpactUser4Hr[from] = 0;
_isTempBlacklisted[from] = true;
}
require (!_isTempBlacklisted[from], "you're on time out anon");
require (!_isTempBlacklisted[to],"We don't reward dumpers");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (
canSwap &&
!swapping &&
!automatedMarketMakerPairs[from] &&
from != owner() &&
to != owner()
) {
swapping = true;
swapAndLiquify(contractTokenBalance);
swapping = false;
}
bool takeFee = !swapping;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
if (takeFee) {
uint256 fees;
require(amount <= maxTxAmount,"ShibaGramAI: Amount exceeds transfer per transaction limit");
if (!automatedMarketMakerPairs[to]) {
require(
balanceOf(to) + amount <= maxWallet,
"ShibaGramAI: Balance exceeds Max Wallet limit"
);
}
uint256 burnFee;
if (automatedMarketMakerPairs[from]) {
require ( block.timestamp - _traded[to] >= coolDown, "ShibaGramAI: cooldown Enabled");
fees = amount.mul(totalBuyFee).div(100);
_traded[to] = block.timestamp;
} else if (automatedMarketMakerPairs[to]) {
require ( block.timestamp - _traded[from] >= coolDown, "ShibaGramAI: cooldown Enabled");
fees = amount.mul(totalSellFee).div(100);
uint256 priceimpact = getPriceImpact(amount-fees);
require (priceimpact < 30, "Price impact must be lower than 3 percent anon");
manage24HourCooldown(from, amount-fees);
burnFee = fees.mul(sellFee.burn)/totalSellFee;
super._transfer(from, deadWallet, burnFee);
_traded[from] = block.timestamp;
}
if (fees > 0) {
amount = amount.sub(fees);
super._transfer(from, address(this), fees - burnFee);
}
}
super._transfer(from, to, amount);
}
function manage24HourCooldown(address sender, uint256 amount) internal {
if (sender != uniswapV2Pair && !_isTempBlacklisted[sender]) {
// Get the timestamp of the current transaction
// Calculate the price impact of the current transaction
uint256 priceImpact = getPriceImpact(amount);
if (priceImpact >= 25) {
if(block.timestamp - _24HourCooldown[sender] > 14400){
_24HourCooldown[sender] = block.timestamp;
}
priceImpactUser4Hr[sender] += priceImpact;
}
if(block.timestamp - _24HourCooldown[sender] < 14400 && priceImpactUser4Hr[sender] >=100){
_isTempBlacklisted[sender] = true;
}
}
}
function getPriceImpact(uint256 amountIn) public view returns (uint256 priceImpact) {
// Get the reserves of Token A and Token B in the Uniswap V2 pair
uint256 resA = IERC20(address(this)).balanceOf(uniswapV2Pair);
uint256 resB = IERC20(BUSD).balanceOf(uniswapV2Pair);
/// PriceBefore
uint256 priceBefore = uniswapV2Router.getAmountOut(1 * 10**18, resA, resB);
priceBefore = priceBefore * amountIn;
priceBefore = priceBefore / 1e18;
/// priceAfter
uint256 priceAfter = uniswapV2Router.getAmountOut(amountIn, resA, resB);
// Calculate the price impact
uint256 priceGap = (priceAfter * 1000) / priceBefore;
return (1000 - priceGap);
}
function setMaxTx (uint256 amount) external onlyOwner {
require(amount * 10**18 >= (totalSupply().mul(10).div(1000)),"ShibaGramAI: Max Tx Limit can't go below 1% of the supply");
maxTxAmount = amount * 10**18;
}
function setMaxWallet (uint256 amount) external onlyOwner {
require (amount * 10**18 >= (totalSupply().mul(10).div(1000)), "ShibaGramAI: Max Wallet limit can't go below 1% of the supply");
maxWallet = amount * 10**18;
}
function swapAndLiquify(uint256 tokens) private {
uint256 initialBalance = IERC20(BUSD).balanceOf(address(this));
uint256 totalFee = totalBuyFee + totalSellFee - sellFee.burn;
uint256 swapTokens = tokens.mul(buyFee.buyback + sellFee.buyback + (buyFee.autoLP + sellFee.autoLP)/2
+ buyFee.dev + sellFee.dev)
.div(totalFee);
uint256 liqTokens = tokens - swapTokens;
// swapping tokens for BNB then for BUSD, as direct BUSD conversion is not allowed due to
// require statement in pancakeswap factory. (as _token0 and to become identical if try).
// refer-- line number 430
// code line -- require(to != _token0 && to != _token1, 'Pancake: INVALID_TO');
// code can be found here -- https://bscscan.com/address/0xca143ce32fe78f1f7019d7d551a6402fc5350c73#code
//removing bnb for Marvin Buyback
//swapping the remaining bnb to BUSD for Dev and Liquidity
swapTokensForBUSD(swapTokens);
uint256 balance = IERC20(BUSD).balanceOf(BUSDhandler);
IERC20(BUSD).transferFrom(BUSDhandler, address(this), balance);
uint256 newBalance = IERC20(BUSD).balanceOf(address(this)).sub(initialBalance);
uint256 devPart = newBalance.mul(buyFee.dev + sellFee.dev).div(totalFee);
uint256 liqPart = newBalance - devPart ;
uint256 buybackPart = newBalance.mul(buyFee.buyback + sellFee.buyback).div(totalFee);
if (devPart > 0){
IERC20(BUSD).transfer(devWallet, devPart); //transfer Fee to dev
}
if (liqPart > 0){
addLiquidity(liqTokens, liqPart); // adding liquidity (ShibaGramAI, BUSD)
emit SwapAndLiquify(liqTokens, liqPart);
}
if (buybackPart > 0) {
buybackMarvin(buybackPart); //Buyback Marvin (I love this part)
}
}
function swapTokensForBUSD(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = BUSD;
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
BUSDhandler,
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 busdAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidity(
address(this),
BUSD,
tokenAmount,
busdAmount,
0,
0,
deadWallet,
block.timestamp
);
}
function buybackMarvin(uint256 amount) private {
address[] memory path = new address[](3);
path[0] = BUSD;
path[1] = uniswapV2Router.WETH();
path[2] = MarvinToken;
IERC20(BUSD).approve(address(uniswapV2Router), amount);
// make the swap
uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
amount,
0, // accept any amount of ETH
path,
deadWallet,
block.timestamp
);
}
}Editor is loading...