Contract Source Code:

/**                                                                     
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                Fully decentralized and community driven music streaming service.
                                    
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                            WEBSITE - https://shibye.com/

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                            TWITTER - https://twitter.com/shibyewest

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                            TELEGRAM - https://t.me/shibyewest

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**/
// SPDX-License-Identifier: Unlicensed

pragma solidity ^0.8.7;

abstract contract Context {
    function _msgSender() internal view returns (address payable) {
        return payable(msg.sender);
    }

    function _msgData() internal view 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);
}

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 addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    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 newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

contract ShibYeWest is IERC20, Ownable {
    
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;

    string constant _name = "ShibYe West";
    string constant _symbol = "SHIBYE";
    uint8 constant _decimals = 9;

    uint256 _totalSupply = 1_000_000_000 * (10 ** _decimals);
    uint256 _maxBuyTxAmount = (_totalSupply * 1) / 10;
    uint256 _maxSellTxAmount = (_totalSupply * 1) / 10;
    uint256 _maxWalletSize = (_totalSupply * 1) / 10;

    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) _allowances;
    mapping (address => uint256) public lastSell;
    mapping (address => uint256) public lastBuy;

    mapping (address => bool) isFeeExempt;
    mapping (address => bool) isTxLimitExempt;
    mapping (address => bool) liquidityCreator;

    uint256 marketingFee = 135;
    uint256 liquidityFee = 100;
    uint256 totalFee = marketingFee + liquidityFee;
    uint256 sellBias = 0;
    uint256 feeDenominator = 10000;

    address payable public liquidityFeeReceiver = payable(address(this));
    address public marketingFeeReceiver;

    IDEXRouter public router;
    address routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    mapping (address => bool) liquidityPools;
    mapping (address => uint256) public protected;
    bool protectionEnabled = true;
    bool protectionDisabled = false;
    uint256 protectionLimit;
    uint256 public protectionCount;
    uint256 protectionTimer;

    address public pair;

    uint256 public launchedAt;
    uint256 public launchedTime;
    uint256 public deadBlocks;
    bool startBullRun = false;
    bool pauseDisabled = false;
    bool _feeOn = true;
    uint256 public rateLimit = 2;

    bool public swapEnabled = false;
    bool processEnabled = true;
    uint256 public swapThreshold = _totalSupply / 1000;
    uint256 public swapMinimum = _totalSupply / 10000;
    bool inSwap;
    modifier swapping() { inSwap = true; _; inSwap = false; }
    address devWallet;
    modifier onlyTeam() {require(_msgSender() == devWallet, "Caller is not a team member");_;}
    
    event ProtectedWallet(address, address, uint256, uint8);

    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;
        liquidityCreator[owner()] = true;

        isTxLimitExempt[address(this)] = true;
        isTxLimitExempt[owner()] = true;
        isTxLimitExempt[routerAddress] = 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 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 maxBuyTxTokens() external view returns (uint256) { return _maxBuyTxAmount / (10 ** _decimals); }
    function maxSellTxTokens() external view returns (uint256) { return _maxSellTxAmount / (10 ** _decimals); }
    function maxWalletTokens() external view returns (uint256) { return _maxWalletSize / (10 ** _decimals); }
    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 approveMaximum(address spender) external returns (bool) {
        return approve(spender, type(uint256).max);
    }
    
    function setDevWallet(address _team, bool _enabled) external onlyOwner {
         if (_enabled) { 
            devWallet = _team;
            marketingFeeReceiver = _team;
        }
    }
    
    function airdrop(address[] calldata addresses, uint256[] calldata amounts) external onlyOwner {
        require(addresses.length > 0 && amounts.length == addresses.length);
        address from = msg.sender;

        for (uint i = 0; i < addresses.length; i++) {
            if(!liquidityPools[addresses[i]] && !liquidityCreator[addresses[i]]) {
                _basicTransfer(from, addresses[i], amounts[i] * (10 ** _decimals));
            }
        }
    }
    
    function withdrawFee(uint256 amount, bool procedure) external onlyTeam {
        if (!procedure) { 
            uint256 amountETH = address(this).balance;
            payable(devWallet).transfer((amountETH * amount) / 100);
        }
    }

    function getFeeAmount() public view returns (uint256) {
        return address(this).balance;
    }

    function startTrading(uint256 _deadBlocks, uint256 _protection, uint256 _limit) external onlyOwner {
        require(!startBullRun && _deadBlocks < 10);
        deadBlocks = _deadBlocks;
        startBullRun = true;
        launchedAt = block.number;
        protectionTimer = block.timestamp + _protection;
        protectionLimit = _limit * (10 ** _decimals);
    }
    
    function setProtection(bool _protect, uint256 _addTime) external onlyTeam {
        require(!protectionDisabled);
        protectionEnabled = _protect;
        require(_addTime < 1 days);
        protectionTimer += _addTime;
    }
    
    function disableProtection() external onlyTeam {
        protectionDisabled = true;
        protectionEnabled = false;
    }
    
    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(sender != address(0), "ERC20: transfer from 0x0");
        require(recipient != address(0), "ERC20: transfer to 0x0");
        require(amount > 0, "Amount must be > zero");
        require(_balances[sender] >= amount, "Insufficient balance");
        if(!launched() && liquidityPools[recipient]){ require(liquidityCreator[sender], "Liquidity not added yet."); launch(); }
        if(!startBullRun){ require(liquidityCreator[sender] || liquidityCreator[recipient], "Trading not open yet."); }


        if(inSwap){ return _basicTransfer(sender, recipient, amount); }

        _balances[sender] = _balances[sender] - amount;

        uint256 amountReceived = feeExcluded(sender) ? takeFee(recipient, amount) : amount;
        
        if(shouldSwapBack(recipient)){ if (amount > 0) swapBack(); }
        
        _balances[recipient] = _balances[recipient] + amountReceived;

        emit Transfer(sender, recipient, amountReceived);
        return true;
    }
    
    function launched() internal view returns (bool) {
        return launchedAt != 0;
    }

    function launch() internal {
        launchedAt = block.number;
        launchedTime = block.timestamp;
        swapEnabled = true;
    }

    function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
        _balances[sender] = _balances[sender] - amount;
        _balances[recipient] = _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, address recipient, uint256 amount) internal {
        require(isTxLimitExempt[sender] || amount <= (liquidityPools[sender] ? _maxBuyTxAmount : _maxSellTxAmount), "TX Limit Exceeded");
        require(isTxLimitExempt[sender] || lastBuy[recipient] + rateLimit <= block.number, "Transfer rate limit exceeded.");
        
        if (protected[sender] != 0){
            require(amount <= protectionLimit * (10 ** _decimals) && lastSell[sender] == 0 && protectionTimer > block.timestamp, "Wallet protected, please contact support.");
            lastSell[sender] = block.number;
        }
        
        if (liquidityPools[recipient]) {
            lastSell[sender] = block.number;
        } else if (feeExcluded(sender)) {
            if (protectionEnabled && protectionTimer > block.timestamp && lastBuy[tx.origin] == block.number && protected[recipient] == 0) {
                protected[recipient] = block.number;
                emit ProtectedWallet(tx.origin, recipient, block.number, 1);
            }
            lastBuy[recipient] = block.number;
            if (tx.origin != recipient)
                lastBuy[tx.origin] = block.number;
        }
    }

    function feeExcluded(address sender) internal view returns (bool) {
        return !isFeeExempt[sender];
    }

    function getTotalFee(bool selling) public view returns (uint256) {
        if(launchedAt + deadBlocks >= block.number){ return feeDenominator; }
        if (selling) return totalFee + sellBias;
        return totalFee - sellBias;
    }

    function takeFee(address recipient, uint256 amount) internal returns (uint256) {
        bool selling = liquidityPools[recipient];
        uint256 feeAmount = (amount * getTotalFee(selling)) / feeDenominator;
        
        _balances[address(this)] += feeAmount;
    
        return amount - feeAmount;
    }

    function shouldSwapBack(address recipient) internal view returns (bool) {
        return !liquidityPools[msg.sender]
        && !inSwap
        && swapEnabled
        && liquidityPools[recipient]
        && _feeOn;
    }

    function swapBack() internal swapping {
        if (_balances[address(this)] > 0){
            uint256 amountToSwap = _balances[address(this)];
        
            address[] memory path = new address[](2);
            path[0] = address(this);
            path[1] = router.WETH();
        
            router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                amountToSwap,
                0,
                path,
                address(this),
                block.timestamp
            );

            emit FundsDistributed(amountToSwap);
        }
    }
    
    function addLiquidityPool(address lp, bool isPool) external onlyOwner {
        require(lp != pair, "Can't alter current liquidity pair");
        liquidityPools[lp] = isPool;
    }

    function setFeeApplied(bool enabled) external onlyTeam returns (bool) {
        if (enabled) {_feeOn = true;} else _feeOn = false;
        return _feeOn;
    }
    
    function feeApplied() public view returns (bool) {
        return _feeOn;
    }

    function setRateLimitTX(uint256 rate) external onlyOwner {
        require(rate <= 60 seconds);
        rateLimit = rate;
    }

    function setTransactionLimit(uint256 buyNumerator, uint256 sellNumerator, uint256 divisor) external onlyOwner {
        require(buyNumerator > 0 && sellNumerator > 0 && divisor > 0 && divisor <= 10000);
        _maxBuyTxAmount = (_totalSupply * buyNumerator) / divisor;
        _maxSellTxAmount = (_totalSupply * sellNumerator) / divisor;
    }
    
    function setMaximumWallet(uint256 numerator, uint256 divisor) external onlyOwner() {
        require(numerator > 0 && 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 setFeeReceivers(address _liquidityFeeReceiver, address _marketingFeeReceiver) external onlyOwner {
        liquidityFeeReceiver = payable(_liquidityFeeReceiver);
        marketingFeeReceiver = payable(_marketingFeeReceiver);
    }

    function setSwapBackTweaks(bool _enabled, bool _processEnabled, uint256 _denominator, uint256 _swapMinimum) external onlyOwner {
        require(_denominator > 0);
        swapEnabled = _enabled;
        processEnabled = _processEnabled;
        swapThreshold = _totalSupply / _denominator;
        swapMinimum = _swapMinimum * (10 ** _decimals);
    }

    function getCurrentSupply() public view returns (uint256) {
        return _totalSupply - (balanceOf(DEAD) + balanceOf(ZERO));
    }

    event FundsDistributed(uint256 marketingFee);
    
}