Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
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. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling 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);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @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);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @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;
}
}
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;
}
pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
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);
}
pragma solidity >=0.6.2;
import './IUniswapV2Router01.sol';
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;
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
/*
* @author ~ 🅧🅘🅟🅩🅔🅡 ~
*
* ░█████╗░██╗░░██╗██╗░░░██╗███████╗░█████╗░██╗░░██╗██╗░░░██╗███████╗░█████╗░██╗░░██╗
* ██╔══██╗██║░░██║╚██╗░██╔╝██╔════╝██╔══██╗██║░░██║╚██╗░██╔╝██╔════╝██╔══██╗██║░░██║
* ██║░░██║███████║░╚████╔╝░█████╗░░███████║███████║░╚████╔╝░█████╗░░███████║███████║
* ██║░░██║██╔══██║░░╚██╔╝░░██╔══╝░░██╔══██║██╔══██║░░╚██╔╝░░██╔══╝░░██╔══██║██╔══██║
* ╚█████╔╝██║░░██║░░░██║░░░███████╗██║░░██║██║░░██║░░░██║░░░███████╗██║░░██║██║░░██║
* ░╚════╝░╚═╝░░╚═╝░░░╚═╝░░░╚══════╝╚═╝░░╚═╝╚═╝░░╚═╝░░░╚═╝░░░╚══════╝╚═╝░░╚═╝╚═╝░░╚═╝
*
* Description: OhYeahYeah ($YEAH) Official Meme Token Contract
*
* Telegram: https://t.me/OhYeahYeahPortal
* Twitter: https://twitter.com/OhYeahYeahCoin
* Website: https://www.OhYeahYeahCoin.com
*/
contract OhYeahYeah is Context, IERC20, Ownable
{
using Address for address;
string public constant name = "OhYeahYeah";
string public constant symbol = "YEAH";
uint public immutable decimals = 18;
uint public immutable totalSupply = 420690000000 * 10 ** decimals;
uint public launchTimestamp;
uint public swapThresholdMin = totalSupply / 100000;
uint public swapThresholdMax = totalSupply / 2000;
address public immutable dexPair;
IUniswapV2Router02 public immutable dexRouter;
address payable public immutable marketingAddress = payable(0x62B79fbb1Ca9F497Ec8C718c36a83eE5ea077B50);
mapping (address => uint) private balances;
mapping (address => mapping (address => uint)) private allowances;
mapping (address => bool) private isCaughtMEV;
mapping (address => bool) private isFeeExempt;
mapping (address => bool) public isMarketPair;
struct Fees
{
uint inFee;
uint outFee;
uint transferFee;
}
Fees public fees;
struct RateSchedule
{
uint phase1;
uint phase2;
uint phase3;
uint phase4;
}
RateSchedule private schedule;
bool public trading;
bool public inSwapAndLiquify;
bool public swapAndLiquifyEnabled;
bool public swapAndLiquifyByLimitOnly;
modifier lockTheSwap
{
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor()
{
dexRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
dexPair = IUniswapV2Factory(dexRouter.factory()).createPair(address(this), dexRouter.WETH());
allowances[address(this)][address(dexRouter)] = type(uint).max;
fees.inFee = 0;
fees.outFee = 0;
fees.transferFee = 0;
swapAndLiquifyEnabled = true;
swapAndLiquifyByLimitOnly = true;
isFeeExempt[owner()] = true;
isFeeExempt[address(0)] = true;
isFeeExempt[address(this)] = true;
isFeeExempt[marketingAddress] = true;
isMarketPair[address(dexPair)] = true;
balances[_msgSender()] = totalSupply;
emit Transfer(address(0), _msgSender(), totalSupply);
}
function balanceOf(address wallet) public view override returns (uint)
{
return balances[wallet];
}
function allowance(address owner, address spender) public view override returns (uint)
{
return allowances[owner][spender];
}
function getCirculatingSupply() public view returns (uint)
{
return totalSupply - balanceOf(address(0));
}
function setMarketPairStatus(address wallet, bool status) public onlyOwner
{
isMarketPair[wallet] = status;
}
function enableTrading() external onlyOwner()
{
require(!trading, "ERROR: Trading has already been enabled!");
launchTimestamp = block.timestamp;
trading = true;
}
function setFees(uint inFee, uint outFee, uint transferFee) external onlyOwner()
{
require(inFee <= 1000 && outFee <= 1000 && transferFee <= 1000, "ERROR: Maximum directional fee is 10%!");
fees.inFee = inFee;
fees.outFee = outFee;
fees.transferFee = transferFee;
}
function setRateSchedule(uint rate1, uint rate2, uint rate3, uint rate4) external onlyOwner()
{
schedule.phase1 = rate1;
schedule.phase2 = rate2;
schedule.phase3 = rate3;
schedule.phase4 = rate4;
}
function setSwapThresholds(uint min, uint max) external onlyOwner()
{
swapThresholdMin = min;
swapThresholdMax = max;
}
function setCaughtMEV(address[] memory wallets, bool status) external onlyOwner()
{
require(wallets.length <= 200, "ERROR: Maximum wallets at once is 200!");
for (uint i = 0; i < wallets.length; i++)
isCaughtMEV[wallets[i]] = status;
}
function setSwapAndLiquifyStatus(bool status) public onlyOwner()
{
swapAndLiquifyEnabled = status;
}
function setSwapAndLiquifyByLimitStatus(bool status) public onlyOwner()
{
swapAndLiquifyByLimitOnly = status;
}
function increaseAllowance(address spender, uint addedValue) public virtual returns (bool)
{
_approve(_msgSender(), spender, allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public virtual returns (bool)
{
_approve(_msgSender(), spender, allowances[_msgSender()][spender] - subtractedValue);
return true;
}
function approve(address spender, uint amount) public override returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function _approve(address owner, address spender, uint amount) private
{
require(owner != address(0), "ERROR: Approve from the zero address!");
require(spender != address(0), "ERROR: Approve to the zero address!");
allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function transfer(address recipient, uint amount) public override returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public override returns (bool)
{
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), allowances[sender][_msgSender()] - amount);
return true;
}
function _transfer(address sender, address recipient, uint amount) private returns (bool)
{
require(sender != address(0), "ERROR: Transfer from the zero address!");
require(recipient != address(0), "ERROR: Transfer to the zero address!");
require(!isCaughtMEV[recipient] && !isCaughtMEV[sender], "ERROR: Transfers are not permitted!");
if (inSwapAndLiquify)
{
balances[sender] = balances[sender] - amount;
balances[recipient] = balances[recipient] + amount;
emit Transfer(sender, recipient, amount);
return true;
}
else
{
if (!isFeeExempt[sender] && !isFeeExempt[recipient])
require(trading, "ERROR: Trading is not enabled!");
uint contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance >= swapThresholdMin && !inSwapAndLiquify && !isMarketPair[sender] && swapAndLiquifyEnabled)
{
if (swapAndLiquifyByLimitOnly)
contractTokenBalance = contractTokenBalance > swapThresholdMax ? swapThresholdMax : contractTokenBalance;
swapTokensForNative(contractTokenBalance);
}
balances[sender] = balances[sender] - amount;
uint finalAmount = (isFeeExempt[sender] || isFeeExempt[recipient]) ? amount : takeFee(sender, recipient, amount);
balances[recipient] = balances[recipient] + finalAmount;
emit Transfer(sender, recipient, finalAmount);
return true;
}
}
function takeFee(address sender, address recipient, uint amount) internal returns (uint)
{
uint feeAmount = 0;
if (block.timestamp <= launchTimestamp + 86400)
{
if (block.timestamp <= launchTimestamp + 3)
feeAmount = amount * schedule.phase1 / 10000;
else if (block.timestamp <= launchTimestamp + 3600)
feeAmount = amount * schedule.phase2 / 10000;
else if (block.timestamp <= launchTimestamp + 10800)
feeAmount = amount * schedule.phase3 / 10000;
else
feeAmount = amount * schedule.phase4 / 10000;
}
else
{
if (isMarketPair[sender])
feeAmount = amount * fees.inFee / 10000;
else if (isMarketPair[recipient])
feeAmount = amount * fees.outFee / 10000;
else
feeAmount = amount * fees.transferFee / 10000;
}
if (feeAmount > 0)
{
balances[address(this)] = balances[address(this)] + feeAmount;
emit Transfer(sender, address(this), feeAmount);
}
return amount - feeAmount;
}
function swapTokensForNative(uint tokenAmount) private lockTheSwap
{
if (allowances[address(this)][address(dexRouter)] != type(uint).max)
allowances[address(this)][address(dexRouter)] = type(uint).max;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
try dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens
(
tokenAmount,
0,
path,
marketingAddress,
block.timestamp
){} catch {}
}
function withdrawStuckNative(address recipient, uint amount) public onlyOwner()
{
require(recipient != address(0), "ERROR: Cannot send to the 0 address!");
payable(recipient).transfer(amount);
}
function withdrawForeignToken(address tokenAddress, address recipient, uint amount) public onlyOwner()
{
require(recipient != address(0), "ERROR: Cannot send to the 0 address!");
IERC20(tokenAddress).transfer(recipient, amount);
}
receive() external payable {}
}