Contract Source Code:
File 1 of 1 : Shikage
/*
Shikage SHKG
Telegram: https://t.me/shikageofficial
Website: https://shikage.space/
Facebook: https://www.facebook.com/Shikage.ETH/
Instagram: https://www.instagram.com/shikage_token/
Twitter: https://twitter.com/ShikageEth
*/
// SPDX-License-Identifier: Unlicensed
pragma solidity 0.8.11;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* C U ON THE MOON
* 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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://diligence.consensys.net/posts/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/v0.5.11/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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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 functionCall(target, data, "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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// 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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Context {
function _msgSender() internal view returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
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 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;
}
/**
* @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.
*/
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 () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view 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 {
emit OwnershipTransferred(_owner, address(0));
_owner = 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");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IAntiSnipe {
function setTokenOwner(address owner) external;
function onPreTransferCheck(
address from,
address to,
uint256 amount
) external returns (bool checked);
}
contract Shikage is IERC20, Ownable {
using Address for address;
address constant DEAD = 0x000000000000000000000000000000000000dEaD;
address constant ZERO = 0x0000000000000000000000000000000000000000;
string constant _name = "Shikage";
string constant _symbol = "SHKG";
uint8 constant _decimals = 9;
uint256 constant _totalSupply = 1_000_000_000 * (10 ** _decimals);
uint256 public _maxTxAmount = (_totalSupply * 1) / 200;
uint256 public _maxWalletSize = (_totalSupply * 1) / 100;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
mapping (address => uint256) lastBuy;
mapping (address => bool) isFeeExempt;
mapping (address => bool) isTxLimitExempt;
uint256 liquidityFee = 20;
uint256 marketingFee = 50;
uint256 devFee = 30;
uint256 totalFee = 100;
uint256 sellBias = 0;
uint256 sellPercent = 250;
uint256 sellPeriod = 72 hours;
uint256 feeDenominator = 1000;
address public constant liquidityReceiver = 0x51FE1EDbC149556eF2867115E58616428aA2C19A;
address payable public constant marketingReceiver = payable(0x51FE1EDbC149556eF2867115E58616428aA2C19A);
address payable public constant devReceiver = payable(0x592Ab8ED942c7Eb84cB27616f1Dcb57669DFD901);
uint256 targetLiquidity = 40;
uint256 targetLiquidityDenominator = 100;
IDEXRouter public immutable router;
address constant routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
mapping (address => bool) liquidityPools;
mapping (address => bool) liquidityProviders;
address public immutable pair;
uint256 public launchedAt;
uint256 public launchedTime;
bool public pauseDisabled = false;
IAntiSnipe public antisnipe;
bool public protectionEnabled = true;
bool public protectionDisabled = false;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply / 400;
uint256 public swapMinimum = _totalSupply / 10000;
bool inSwap;
modifier swapping() { inSwap = true; _; inSwap = false; }
constructor () {
router = IDEXRouter(routerAddress);
pair = IDEXFactory(router.factory()).createPair(router.WETH(), address(this));
liquidityPools[pair] = true;
_allowances[owner()][routerAddress] = type(uint256).max;
_allowances[address(this)][routerAddress] = type(uint256).max;
isFeeExempt[owner()] = true;
liquidityProviders[msg.sender] = true;
isTxLimitExempt[address(this)] = true;
isTxLimitExempt[owner()] = true;
isTxLimitExempt[routerAddress] = true;
_balances[owner()] = _totalSupply;
emit Transfer(address(0), owner(), _totalSupply);
}
receive() external payable { }
function totalSupply() external pure override returns (uint256) { return _totalSupply; }
function decimals() external pure returns (uint8) { return _decimals; }
function symbol() external pure returns (string memory) { return _symbol; }
function name() external pure returns (string memory) { return _name; }
function getOwner() external view returns (address) { return owner(); }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[msg.sender][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(msg.sender, spender, currentAllowance - subtractedValue);
}
return true;
}
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);
}
function approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function setProtection(bool _protect) external onlyOwner {
if (_protect)
require(!protectionDisabled);
protectionEnabled = _protect;
}
function setProtection(address _protection, bool _call) external onlyOwner {
if (_protection != address(antisnipe)){
require(!protectionDisabled);
antisnipe = IAntiSnipe(_protection);
}
if (_call)
antisnipe.setTokenOwner(msg.sender);
}
function disableProtection() external onlyOwner {
protectionDisabled = true;
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(_allowances[sender][msg.sender] != type(uint256).max){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(_balances[sender] >= amount, "Insufficient balance");
require(amount > 0, "Zero amount transferred");
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
checkTxLimit(sender, amount);
if (!liquidityPools[recipient] && recipient != DEAD) {
if (!isTxLimitExempt[recipient]) checkWalletLimit(recipient, amount);
}
if(!launched()){ require(liquidityProviders[sender] || liquidityProviders[recipient], "Contract not launched yet."); }
_balances[sender] -= amount;
uint256 amountReceived = shouldTakeFee(sender) && shouldTakeFee(recipient) ? takeFee(sender, recipient, amount) : amount;
if(shouldSwapBack(recipient)){ if (amount > 0) swapBack(amount); }
_balances[recipient] += amountReceived;
if(launched() && protectionEnabled)
antisnipe.onPreTransferCheck(sender, recipient, amount);
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] -= amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
return true;
}
function checkWalletLimit(address recipient, uint256 amount) internal view {
uint256 walletLimit = _maxWalletSize;
require(_balances[recipient] + amount <= walletLimit, "Transfer amount exceeds the bag size.");
}
function checkTxLimit(address sender, uint256 amount) internal view {
require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded");
}
function shouldTakeFee(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function setLiquidityProvider(address _provider) external onlyOwner {
isFeeExempt[_provider] = true;
liquidityProviders[_provider] = true;
isTxLimitExempt[_provider] = true;
}
function getTotalFee(bool selling, bool inHighPeriod) public view returns (uint256) {
if(launchedAt + 1 > block.number){ return feeDenominator - 1; }
if (selling) return inHighPeriod ? (totalFee * sellPercent) / 100 : totalFee + sellBias;
return inHighPeriod ? (totalFee * sellPercent) / 100 : totalFee - sellBias;
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount = (amount * getTotalFee(liquidityPools[recipient], !liquidityPools[sender] && lastBuy[sender] + sellPeriod > block.timestamp)) / feeDenominator;
if (liquidityPools[sender] && lastBuy[recipient] == 0)
lastBuy[recipient] = block.timestamp;
_balances[address(this)] += feeAmount;
emit Transfer(sender, address(this), feeAmount);
return amount - feeAmount;
}
function shouldSwapBack(address recipient) internal view returns (bool) {
return !liquidityPools[msg.sender]
&& !isFeeExempt[msg.sender]
&& !inSwap
&& swapEnabled
&& liquidityPools[recipient]
&& _balances[address(this)] >= swapMinimum &&
totalFee > 0;
}
function swapBack(uint256 amount) internal swapping {
uint256 amountToSwap = amount < swapThreshold ? amount : swapThreshold;
if (_balances[address(this)] < amountToSwap) amountToSwap = _balances[address(this)];
uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee;
uint256 amountToLiquify = ((amountToSwap * dynamicLiquidityFee) / totalFee) / 2;
amountToSwap -= amountToLiquify;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 contractBalance = address(this).balance;
uint256 totalETHFee = totalFee - dynamicLiquidityFee / 2;
uint256 amountLiquidity = (contractBalance * dynamicLiquidityFee) / totalETHFee / 2;
uint256 amountMarketing = (contractBalance * marketingFee) / totalETHFee;
uint256 amountDev = contractBalance - (amountLiquidity + amountMarketing);
if(amountToLiquify > 0) {
router.addLiquidityETH{value: amountLiquidity}(
address(this),
amountToLiquify,
0,
0,
liquidityReceiver,
block.timestamp
);
emit AutoLiquify(amountLiquidity, amountToLiquify);
}
if (amountMarketing > 0)
marketingReceiver.transfer(amountMarketing);
if (amountDev > 0)
devReceiver.transfer(amountDev);
}
function setSellPeriod(uint256 _sellPercentIncrease, uint256 _period) external onlyOwner {
require((totalFee * _sellPercentIncrease) / 100 <= 400, "Sell tax too high");
require(_period <= 7 days, "Sell period too long");
sellPercent = _sellPercentIncrease;
sellPeriod = _period;
}
function launched() internal view returns (bool) {
return launchedAt != 0;
}
function launch() external onlyOwner {
require (launchedAt == 0);
launchedAt = block.number;
launchedTime = block.timestamp;
}
function setTxLimit(uint256 numerator, uint256 divisor) external onlyOwner {
require(numerator > 0 && divisor > 0 && (numerator * 1000) / divisor >= 5);
_maxTxAmount = (_totalSupply * numerator) / divisor;
}
function setMaxWallet(uint256 numerator, uint256 divisor) external onlyOwner() {
require(divisor > 0 && divisor <= 10000);
_maxWalletSize = (_totalSupply * numerator) / divisor;
}
function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
}
function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
isTxLimitExempt[holder] = exempt;
}
function setFees(uint256 _liquidityFee, uint256 _marketingFee, uint256 _devFee, uint256 _sellBias, uint256 _feeDenominator) external onlyOwner {
liquidityFee = _liquidityFee;
marketingFee = _marketingFee;
devFee = _devFee;
sellBias = _sellBias;
totalFee = _liquidityFee + _marketingFee + _devFee;
feeDenominator = _feeDenominator;
require(totalFee <= feeDenominator / 4);
require(sellBias <= totalFee);
}
function setSwapBackSettings(bool _enabled, uint256 _denominator, uint256 _denominatorMin) external onlyOwner {
require(_denominator > 0 && _denominatorMin > 0);
swapEnabled = _enabled;
swapMinimum = _totalSupply / _denominatorMin;
swapThreshold = _totalSupply / _denominator;
}
function setTargetLiquidity(uint256 _target, uint256 _denominator) external onlyOwner {
targetLiquidity = _target;
targetLiquidityDenominator = _denominator;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply - (balanceOf(DEAD) + balanceOf(ZERO));
}
function getLiquidityBacking(uint256 accuracy) public view returns (uint256) {
return (accuracy * balanceOf(pair)) / getCirculatingSupply();
}
function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) {
return getLiquidityBacking(accuracy) > target;
}
function addLiquidityPool(address _pool, bool _enabled) external onlyOwner {
liquidityPools[_pool] = _enabled;
}
function airdrop(address[] calldata _addresses, uint256[] calldata _amount) external onlyOwner
{
require(_addresses.length == _amount.length);
bool previousSwap = swapEnabled;
swapEnabled = false;
//This function may run out of gas intentionally to prevent partial airdrops
for (uint256 i = 0; i < _addresses.length; i++) {
require(!liquidityPools[_addresses[i]]);
_transferFrom(msg.sender, _addresses[i], _amount[i] * (10 ** _decimals));
}
swapEnabled = previousSwap;
}
event AutoLiquify(uint256 amount, uint256 amountToken);
//C U ON THE MOON
}