文件 1 的 1:SHIBA.sol
pragma solidity 0.8.19;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(
address recipient,
uint256 amount
) external returns (bool);
function allowance(
address owner,
address spender
) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwnr
);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwnr) public virtual onlyOwner {
require(
newOwnr != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwnr);
_owner = newOwnr;
}
}
interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint
);
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
}
interface IUniswapV2Pair {
function permit(
address owner,
address spender,
uint value,
uint deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function factory() external view returns (address);
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
)
external
payable
returns (uint amountToken, uint amountETH, uint liquidity);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
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;
}
contract LockToken is Ownable {
bool public isOpen = false;
mapping(address => bool) private _whiteList;
modifier open(address from, address to) {
require(isOpen || _whiteList[from] || _whiteList[to], "Not Open");
_;
}
constructor() {
_whiteList[msg.sender] = true;
_whiteList[address(this)] = true;
}
function openTrade() external onlyOwner {
isOpen = true;
}
function includeToWhiteList(address _address) public onlyOwner {
_whiteList[_address] = true;
}
}
contract SHIBA is Context, IERC20, LockToken {
using SafeMath for uint256;
address payable public marketingWallet =
payable(0x44343Bae9f6d8dB1d5b0614783EE22a0A36D5F5b);
address payable public devWallet =
payable(0x44343Bae9f6d8dB1d5b0614783EE22a0A36D5F5b);
address public newOwnr = 0xb640b82989Ba33B221685f0305Fa29b2Bfa2F11E;
address public uniRouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _feeWhitelisted;
mapping(address => bool) private _limitWhitelisted;
mapping(address => bool) private _isExcluded;
address[] private _excluded;
string private _name = "Shiba";
string private _symbol = "SHIBA";
uint8 private _decimals = 18;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000000000000 * 10 ** 18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public _liquidityFeeBuys = 0;
uint256 public _marketingFeeBuys = 300;
uint256 public _devFeeBuys = 0;
uint256 public _totalFeeBuys =
_liquidityFeeBuys + _marketingFeeBuys + _devFeeBuys;
uint256[] buyFeesBackup = [_liquidityFeeBuys, _marketingFeeBuys, _devFeeBuys];
uint256 public _liquidityFeeSells = 0;
uint256 public _marketingFeeSells = 300;
uint256 public _devFeeSells = 0;
uint256 public _totalFeeSells =
_liquidityFeeSells + _marketingFeeSells + _devFeeSells;
uint256 public _liquidityTokens = 0;
uint256 public _marketingTokens = 0;
uint256 public _devTokens = 0;
uint256 public transferTotalFee =
_liquidityTokens + _marketingTokens + _devTokens;
uint256 public _txLimit = _tTotal.div(100).mul(1);
uint256 public _walletLimit = _tTotal.div(100).mul(2);
uint256 private _minBalanceForSwapback = 10000000000000 * 10 ** 18;
IUniswapV2Router02 public immutable uniRouterContract;
address public immutable uniPair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SwapTokensForETH(uint256 amountIn, address[] path);
modifier lockTheSwap() {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
_rOwned[newOwnr] = _rTotal;
IUniswapV2Router02 _uniRouterContract = IUniswapV2Router02(uniRouter);
uniPair = IUniswapV2Factory(_uniRouterContract.factory())
.createPair(address(this), _uniRouterContract.WETH());
uniRouterContract = _uniRouterContract;
_feeWhitelisted[newOwnr] = true;
_feeWhitelisted[address(this)] = true;
includeToWhiteList(newOwnr);
_limitWhitelisted[newOwnr] = true;
emit Transfer(address(0), newOwnr, _tTotal);
excludeWalletsFromWhales();
transferOwnership(newOwnr);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(
address owner,
address spender
) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(
address spender,
uint256 amount
) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"ERC20: transfer amount exceeds allowance"
)
);
return true;
}
function increaseAllowance(
address spender,
uint256 addedValue
) public virtual returns (bool) {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
function decreaseAllowance(
address spender,
uint256 subtractedValue
) public virtual returns (bool) {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function _minBalanceForSwapbackAmount() public view returns (uint256) {
return _minBalanceForSwapback;
}
function tokenFromReflection(
uint256 rAmount
) private view returns (uint256) {
require(
rAmount <= _rTotal,
"Amount must be less than total reflections"
);
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
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 _transfer(
address from,
address to,
uint256 amount
) private open(from, to) {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (from != owner() && to != owner()) {
require(
amount <= _txLimit,
"Transfer amount exceeds the maxTxAmount."
);
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >=
_minBalanceForSwapback;
checkForWhale(from, to, amount);
if (
!inSwapAndLiquify && swapAndLiquifyEnabled && from != uniPair
) {
if (overMinimumTokenBalance) {
contractTokenBalance = _minBalanceForSwapback;
swapTokens(contractTokenBalance);
}
}
bool takeFee = true;
if (_feeWhitelisted[from] || _feeWhitelisted[to]) {
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
uint256 ___totalFeeBuys = _liquidityFeeBuys.add(_marketingFeeBuys).add(
_devFeeBuys
);
uint256 ___totalFeeSells = _liquidityFeeSells.add(_marketingFeeSells).add(
_devFeeSells
);
uint256 totalSwapableFees = ___totalFeeBuys.add(___totalFeeSells);
uint256 halfLiquidityTokens = contractTokenBalance
.mul(_liquidityFeeBuys + _liquidityFeeSells)
.div(totalSwapableFees)
.div(2);
uint256 swapableTokens = contractTokenBalance.sub(halfLiquidityTokens);
swapTokensForEth(swapableTokens);
uint256 newBalance = address(this).balance;
uint256 ethForLiquidity = newBalance
.mul(_liquidityFeeBuys + _liquidityFeeSells)
.div(totalSwapableFees)
.div(2);
if (halfLiquidityTokens > 0 && ethForLiquidity > 0) {
addLiquidity(halfLiquidityTokens, ethForLiquidity);
}
uint256 ethForMarketing = newBalance
.mul(_marketingFeeBuys + _marketingFeeSells)
.div(totalSwapableFees);
if (ethForMarketing > 0) {
marketingWallet.transfer(ethForMarketing);
}
uint256 ethForDev = newBalance.sub(ethForLiquidity).sub(
ethForMarketing
);
if (ethForDev > 0) {
devWallet.transfer(ethForDev);
}
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniRouterContract.WETH();
_approve(address(this), address(uniRouterContract), tokenAmount);
uniRouterContract.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniRouterContract), tokenAmount);
uniRouterContract.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
owner(),
block.timestamp
);
}
function _tokenTransfer(
address sender,
address recipient,
uint256 amount,
bool takeFee
) private {
if (!takeFee) {
removeAllFee();
} else {
if (recipient == uniPair) {
setSellFee();
}
if (sender != uniPair && recipient != uniPair) {
setWalletToWalletTransferFee();
}
}
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
restoreAllFee();
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 tTransferAmount,
uint256 tLiquidity
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if (tLiquidity > 0) {
emit Transfer(sender, address(this), tLiquidity);
}
}
function _transferToExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 tTransferAmount,
uint256 tLiquidity
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if (tLiquidity > 0) {
emit Transfer(sender, address(this), tLiquidity);
}
}
function _transferFromExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 tTransferAmount,
uint256 tLiquidity
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if (tLiquidity > 0) {
emit Transfer(sender, address(this), tLiquidity);
}
}
function _transferBothExcluded(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 tTransferAmount,
uint256 tLiquidity
) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
emit Transfer(sender, recipient, tTransferAmount);
if (tLiquidity > 0) {
emit Transfer(sender, address(this), tLiquidity);
}
}
function _getValues(
uint256 tAmount
) private view returns (uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tLiquidity) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount) = _getRValues(
tAmount,
tLiquidity,
_getRate()
);
return (rAmount, rTransferAmount, tTransferAmount, tLiquidity);
}
function _getTValues(
uint256 tAmount
) private view returns (uint256, uint256) {
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tLiquidity);
return (tTransferAmount, tLiquidity);
}
function _getRValues(
uint256 tAmount,
uint256 tLiquidity,
uint256 currentRate
) private pure returns (uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rLiquidity);
return (rAmount, rTransferAmount);
}
function _getRate() private view returns (uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns (uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (
_rOwned[_excluded[i]] > rSupply ||
_tOwned[_excluded[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if (_isExcluded[address(this)]) {
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
}
function calculateLiquidityFee(
uint256 _amount
) private view returns (uint256) {
uint256 fees = _liquidityFeeBuys.add(_marketingFeeBuys).add(_devFeeBuys);
return _amount.mul(fees).div(1000);
}
function isExcludedFromFee(
address account
) public view onlyOwner returns (bool) {
return _feeWhitelisted[account];
}
function excludeFromFee(address account) public onlyOwner {
_feeWhitelisted[account] = true;
}
function includeInFee(address account) public onlyOwner {
_feeWhitelisted[account] = false;
}
function removeAllFee() private {
_liquidityFeeBuys = 0;
_marketingFeeBuys = 0;
_devFeeBuys = 0;
}
function restoreAllFee() private {
_liquidityFeeBuys = buyFeesBackup[0];
_marketingFeeBuys = buyFeesBackup[1];
_devFeeBuys = buyFeesBackup[2];
}
function setSellFee() private {
_liquidityFeeBuys = _liquidityFeeSells;
_marketingFeeBuys = _marketingFeeSells;
_devFeeBuys = _devFeeSells;
}
function setWalletToWalletTransferFee() private {
_liquidityFeeBuys = _liquidityTokens;
_marketingFeeBuys = _marketingTokens;
_devFeeBuys = _devTokens;
}
function _setBuyFees(
uint256 _liquidityFee,
uint256 _marketingFee,
uint256 _devFee
) external onlyOwner {
_liquidityFeeBuys = _liquidityFee;
_marketingFeeBuys = _marketingFee;
_devFeeBuys = _devFee;
buyFeesBackup = [_liquidityFeeBuys, _marketingFeeBuys, _devFeeBuys];
uint256 totalFee = _liquidityFee.add(_marketingFee).add(_devFee);
_totalFeeBuys = _liquidityFeeBuys + _marketingFeeBuys + _devFeeBuys;
require(totalFee <= 700, "Too High Fee");
}
function _setSellFees(
uint256 _liquidityFee,
uint256 _marketingFee,
uint256 _devFee
) external onlyOwner {
_liquidityFeeSells = _liquidityFee;
_marketingFeeSells = _marketingFee;
_devFeeSells = _devFee;
uint256 totalFee = _liquidityFee.add(_marketingFee).add(_devFee);
_totalFeeSells = _liquidityFeeSells + _marketingFeeSells + _devFeeSells;
require(totalFee <= 700, "Too High Fee");
}
function _setTransferFees(
uint256 _liquidityFee,
uint256 _marketingFee,
uint256 _devFee
) external onlyOwner {
_liquidityTokens = _liquidityFee;
_marketingTokens = _marketingFee;
_devTokens = _devFee;
transferTotalFee = _liquidityTokens + _marketingTokens + _devTokens;
uint256 totalFee = _liquidityFee.add(_marketingFee).add(_devFee);
require(totalFee <= 100, "Too High Fee");
}
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner {
_txLimit = maxTxAmount;
require(_txLimit >= _tTotal.div(5), "Too low limit");
}
function setMinimumTokensBeforeSwap(
uint256 __minBalanceForSwapback
) external onlyOwner {
_minBalanceForSwapback = __minBalanceForSwapback;
}
function setMarketingWallet(address _marketingWallet) external onlyOwner {
marketingWallet = payable(_marketingWallet);
}
function setDevAWallet(address _devWallet) external onlyOwner {
devWallet = payable(_devWallet);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function excludeWalletsFromWhales() private {
_limitWhitelisted[owner()] = true;
_limitWhitelisted[address(this)] = true;
_limitWhitelisted[uniPair] = true;
_limitWhitelisted[devWallet] = true;
_limitWhitelisted[marketingWallet] = true;
}
function checkForWhale(
address from,
address to,
uint256 amount
) private view {
uint256 newBalance = balanceOf(to).add(amount);
if (!_limitWhitelisted[from] && !_limitWhitelisted[to]) {
require(
newBalance <= _walletLimit,
"Exceeding max tokens limit in the wallet"
);
}
if (from == uniPair && !_limitWhitelisted[to]) {
require(
newBalance <= _walletLimit,
"Exceeding max tokens limit in the wallet"
);
}
}
function setExcludedFromWhale(
address account,
bool _enabled
) public onlyOwner {
_limitWhitelisted[account] = _enabled;
}
function setWalletMaxHoldingLimit(uint256 _amount) public onlyOwner {
_walletLimit = _amount;
require(
_walletLimit > _tTotal.div(100).mul(1),
"Too less limit"
);
}
function rescueStuckBalance() public onlyOwner {
(bool success, ) = msg.sender.call{value: address(this).balance}("");
require(success, "Transfer failed.");
}
function triggerSwapback() public {
uint256 allBalance = balanceOf(address(this));
swapTokens(allBalance);
}
receive() external payable {}
}