pragma solidity ^0.6.12;

// SPDX-License-Identifier: The MIT License

interface IBEP20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);

/**
* @dev Returns the token decimals.
*
*
*/
function decimals() external view returns (uint8);

/**
* @dev Returns the token symbol.
*
*
*/
function symbol() external view returns (string memory);

/**
* @dev Returns the token name.
*
*
*/
function name() external view returns (string memory);

/**
* @dev Returns the amount of tokens owned by `account`.
*
*
*/
function balanceOf(address account) external view returns (uint256);

/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount)
external
returns (bool);

/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address _owner, address spender)
external
view
returns (uint256);

/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
*
*
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);

/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
*
*
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);

/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*
*
*/
event Transfer(address indexed from, address indexed to, uint256 value);

/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}

/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
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;
}
}

/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's ` ` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a b;
require(c >= a, "SafeMath: addition overflow");
return c;
}

/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}

/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
*
* Counterpart to Solidity's `-` operator.
*
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;

return c;
}

/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
*
* Counterpart to Solidity's `*` operator.
*
*
* Requirements:
* - Multiplication cannot overflow.
*
*/
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;
}

/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}

/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be 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;
}

/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}

/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}

/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
*
* Owner Validation:
* VsLbhPbclGuvfYvarBsS!E3!AHLbherNFuvgQriJubQbrfagPurpxBirePbqr
*
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
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);
}

/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}

/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}

/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}

/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}

/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}

pragma solidity >=0.6.2;

interface IPancakeRouter01 {
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);
}

// File: contracts\interfaces\IPancakeRouter02.sol

pragma solidity >=0.6.2;

interface IPancakeRouter02 is IPancakeRouter01 {
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;
}

pragma solidity >=0.5.0;

interface IPancakeFactory {
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;

function INIT_CODE_PAIR_HASH() external view returns (bytes32);
}

pragma solidity >=0.5.0;

interface IPancakePair {
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 Mint(address indexed sender, uint256 amount0, uint256 amount1);
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 mint(address to) external returns (uint256 liquidity);

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;
}

contract RealMetaLand is Context, IBEP20, Ownable {
using SafeMath for uint256;

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

mapping(address => bool) private _isExcludedFromFee;

uint256 private constant HOUR = 60 * 60;
uint256 private constant MAX = ~uint256(0);
bool inSwapAndLiquify;

uint256 private _tTotal = 1 * 10**9 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public _maxTxAmount = 690 * 10**6* 10**18;
uint256 public _numTokensSellToAddToLiquidity = 300 * 10**9 * 10**18;
uint256 public _maxWalletToken = 2.1 * 10**9 * 10**18;

// Fees
uint256 public _burnFee = 2 * 10**2; // 200 = 2.00%
uint256 public _liquidityFee = 2 * 10**2; // 200 = 2.00%
uint256 public _holderFee = 2 * 10**2; // 200 = 2.00%
uint256 public _previousBurnFee = _burnFee;
uint256 public _previousLiquidityFee = _liquidityFee;
uint256 public _previousHolderFee = _holderFee;
uint256[] public _taxTiers = [24, 72, 504]; // 24 = 1 day, 72 = 3 days, 504 = 3 weeks

IPancakeRouter02 public immutable pcsV2Router;
address public immutable pcsV2Pair;

string private _name = "RealMetaLand";
string private _symbol = "RMLAND";
uint8 private _decimals = 18;
uint256 private _start_timestamp = block.timestamp;

event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity,
uint256 contractTokenBalance
);

constructor() public {
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;

IPancakeRouter02 _pancakeswapV2Router =
IPancakeRouter02(0x10ED43C718714eb63d5aA57B78B54704E256024E);
// Create a pancake pair for this new token
pcsV2Pair = IPancakeFactory(_pancakeswapV2Router.factory()).createPair(
address(this),
_pancakeswapV2Router.WETH()
);
pcsV2Router = _pancakeswapV2Router;

emit Transfer(address(0), _msgSender(), _tTotal);
}

modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}

// This section allows for adjust tokenomics

/*
* newStartTimestamp: in seconds
*/
function resetStartTimestamp(uint256 newStartTimestamp) public onlyOwner {
_start_timestamp = newStartTimestamp;
}

/*
* newBurnFee: 200 = 2.00%
*/
function setBurnFee(uint256 newBurnFee) public onlyOwner {
require(newBurnFee <= _burnFee);
_burnFee = newBurnFee;
}

/*
* newLiquidityFee: 200 = 2.00%
*/
function setLiquidityFee(uint256 newLiquidityFee) public onlyOwner {
require(newLiquidityFee <= _liquidityFee);
_liquidityFee = newLiquidityFee;
}

/*
* newHolderFee: 200 = 2.00%
*/
function setHolderFee(uint256 newHolderFee) public onlyOwner {
require(newHolderFee <= _holderFee);
_holderFee = newHolderFee;
}

/*
* newHours: in hours
*/
function setTier(uint256 count, uint256 newHours) public onlyOwner {
require(count < _taxTiers.length);
_taxTiers[count] = newHours;
}

/*
* newNum: 300 * 10**9 * 10**18 = 300 Billion
*/
function setNumTokensSellToAddToLiquidity(uint256 newNum) public onlyOwner {
require(newNum <= _numTokensSellToAddToLiquidity);
_numTokensSellToAddToLiquidity = newNum;
}

function toggleExcludedFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = !_isExcludedFromFee[account];
}

// Getters

function name() public view override returns (string memory) {
return _name;
}

function symbol() public view override returns (string memory) {
return _symbol;
}

function decimals() public view override returns (uint8) {
return _decimals;
}

function totalSupply() public view override returns (uint256) {
return _tTotal;
}

function startTimestampForTax() public view returns (uint256) {
return _start_timestamp;
}

function burnPercent() public view returns (uint256) {
return _getCurrentBurnFee();
}

function liquidityPercent() public view returns (uint256) {
return _getCurrentLiqFee();
}

function holderPercent() public view returns (uint256) {
return _getCurrentHolderFee();
}

function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}

/*
* Wen tier end in seconds from epoc
*/
function wenTierEnd(uint256 count) public view returns (uint256) {
require(count < _taxTiers.length);
return _start_timestamp (_taxTiers[count] * HOUR);
}

function numTokensSellToAddToLiquidity() public view returns (uint256) {
return _numTokensSellToAddToLiquidity;
}

function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}

function pSolHoldAME() public pure returns (string memory) {
return "LbherNFuvgQriJubQbrfagPurpxBirePbqrVsAbgS!ER!Ah";
}

// Getters

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,
"BEP20: 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,
"BEP20: decreased allowance below zero"
)
);
return true;
}

function totalFees() public view returns (uint256) {
return _tFeeTotal;
}

function reflect(uint256 tAmount) public {
address sender = _msgSender();
(uint256 rAmount, , , , , , ) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}

function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
public
view
returns (uint256)
{
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount, , , , , , ) = _getValues(tAmount);
return rAmount;
} else {
(, uint256 rTransferAmount, , , , , ) = _getValues(tAmount);
return rTransferAmount;
}
}

function tokenFromReflection(uint256 rAmount)
public
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), "BEP20: approve from the zero address");
require(spender != address(0), "BEP20: approve to the zero address");

_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}

function removeAllFee() private {
if (_burnFee == 0 && _holderFee == 0 && _liquidityFee == 0) return;

_previousBurnFee = _burnFee;
_previousHolderFee = _holderFee;
_previousLiquidityFee = _liquidityFee;

_burnFee = 0;
_holderFee = 0;
_liquidityFee = 0;
}

function restoreAllFee() private {
_burnFee = _previousBurnFee;
_holderFee = _previousHolderFee;
_liquidityFee = _previousLiquidityFee;
}

function _transfer(
address sender,
address recipient,
uint256 amount
) private {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (
sender != owner() &&
recipient != owner() &&
recipient != address(1) &&
recipient != address(0xdead) &&
recipient != pcsV2Pair
) {
require(
amount <= _maxTxAmount,
"Transfer amount exceeds the maxTxAmount."
);
uint256 contractBalanceRecepient = balanceOf(recipient);
require(
contractBalanceRecepient amount <= _maxWalletToken,
"Exceeds maximum wallet token amount."
);
}

// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap liquidity lock?
// also, don't get caught in a circular liquidity event.
// also, don't swap & liquify if sender is pancake pair.
uint256 contractTokenBalance = balanceOf(address(this));

if (contractTokenBalance >= _maxTxAmount) {
contractTokenBalance = _maxTxAmount;
}

bool overMinTokenBalance =
contractTokenBalance >= _numTokensSellToAddToLiquidity;
if (overMinTokenBalance && !inSwapAndLiquify && sender != pcsV2Pair) {
contractTokenBalance = _numTokensSellToAddToLiquidity;
swapAndLiquify(contractTokenBalance);
}

bool takeFee = true;

//if any account belongs to _isExcludedFromFee account then remove the fee
if (
_isExcludedFromFee[sender] ||
_isExcludedFromFee[recipient] ||
sender == pcsV2Pair
) {
takeFee = false;
}

if (!takeFee) removeAllFee();

_transferStandard(sender, recipient, amount);

if (!takeFee) restoreAllFee();
}

function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 tBurn
) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);

if (tBurn > 0) _reflectBurn(sender, tBurn);
emit Transfer(sender, recipient, tTransferAmount);
}

function _reflectBurn(address sender, uint256 tBurn) private {
_rOwned[address(0xdead)] = _rOwned[address(0xdead)].add(tBurn);
_tTotal = _tTotal.sub(tBurn);
_rTotal = _rTotal.sub(tBurn);
emit Transfer(sender, address(0xdead), tBurn);
}

function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}

function _getValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
(
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 tBurn
) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) =
_getRValues(tAmount, tFee, tLiquidity, tBurn, _getRate());
return (
rAmount,
rTransferAmount,
rFee,
tTransferAmount,
tFee,
tLiquidity,
tBurn
);
}

function _getCurrentBurnFee() private view returns (uint256) {
uint256 time_since_start = block.timestamp - _start_timestamp;
if (time_since_start < _taxTiers[0] * HOUR) {
return _burnFee.mul(0);
} else if (time_since_start < _taxTiers[1] * HOUR) {
return _burnFee.mul(2);
} else if (time_since_start < _taxTiers[2] * HOUR) {
return _burnFee.mul(3);
} else {
return _burnFee.mul(3);
}
}

function _getCurrentLiqFee() private view returns (uint256) {
uint256 time_since_start = block.timestamp - _start_timestamp;
if (time_since_start < _taxTiers[0] * HOUR) {
return _liquidityFee.mul(16);
} else if (time_since_start < _taxTiers[1] * HOUR) {
return _liquidityFee.mul(10);
} else if (time_since_start < _taxTiers[2] * HOUR) {
return _burnFee.mul(5);
} else {
return _liquidityFee.mul(0);
}
}

function _getCurrentHolderFee() private view returns (uint256) {
uint256 time_since_start = block.timestamp - _start_timestamp;
if (time_since_start < _taxTiers[0] * HOUR) {
return _holderFee.mul(0);
} else if (time_since_start < _taxTiers[1] * HOUR) {
return _holderFee.mul(3);
} else if (time_since_start < _taxTiers[2] * HOUR) {
return _burnFee.mul(2);
} else {
return _holderFee.mul(1);
}
}

function _getTValues(uint256 tAmount)
private
view
returns (
uint256,
uint256,
uint256,
uint256
)
{
// uint256 currentBurnFee = _getCurrentBurnFee();
// uint256 currentLiqFee = _getCurrentLiqFee();
// uint256 currentHolderFee = _getCurrentHolderFee();

// 10**2 for percentage. Another 10**2 to allow fees with decimals in the future
uint256 tBurn = tAmount.div(10**2).mul(_getCurrentBurnFee()).div(10**2);
uint256 tLiquidity =
tAmount.div(10**2).mul(_getCurrentLiqFee()).div(10**2);
uint256 tFee =
tAmount.div(10**2).mul(_getCurrentHolderFee()).div(10**2);
uint256 tTransferAmount = tAmount.sub(tBurn).sub(tLiquidity).sub(tFee);
return (tTransferAmount, tFee, tLiquidity, tBurn);
}

function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 tBurn,
uint256 currentRate
)
private
pure
returns (
uint256,
uint256,
uint256
)
{
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rBurn = tBurn.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity).sub(rBurn);
return (rAmount, rTransferAmount, rFee);
}

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;
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);
}

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

// capture the contract's current BNB balance.
// this is so that we can capture exactly the amount of BNB that the
// If you copy this line of F!R3!NU you're a shit dev who doesn't check over code
// swap creates, and not make the liquidity event include any BNB that
// has been manually sent to the contract
uint256 initialBalance = address(this).balance;

// swap tokens for BNB
swapTokensForBNB(half);

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

// add liquidity to pancake
addLiquidity(otherHalf, newBalance);

emit SwapAndLiquify(half, newBalance, otherHalf, contractTokenBalance);
}

function swapTokensForBNB(uint256 tokenAmount) private {
// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pcsV2Router.WETH();

_approve(address(this), address(pcsV2Router), tokenAmount);

// make the swap
pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of BNB
path,
address(this),
block.timestamp
);
}

function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(pcsV2Router), tokenAmount);

// add the liquidity
pcsV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}

receive() external payable {}
}