Contract Diff Checker

Contract Source Code:

// SPDX-License-Identifier: MIT


pragma solidity 0.8.13;


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


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


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


function WETH() external pure returns (address);


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


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;
}


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) {
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;
}
}


library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}


function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);


(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}


function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}


function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}


function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}


function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
require(isContract(target), "Address: call to non-contract");


(bool success, bytes memory returndata) = target.call{value: value}(
data
);
return _verifyCallResult(success, returndata, errorMessage);
}


function functionStaticCall(address target, bytes memory data)
internal
view
returns (bytes memory)
{
return
functionStaticCall(
target,
data,
"Address: low-level static call failed"
);
}


function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");


(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}


function functionDelegateCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return
functionDelegateCall(
target,
data,
"Address: low-level delegate call failed"
);
}


function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");


(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}


function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}


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


function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}


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 TheSevenDeadlySins is IERC20, Ownable {
using Address for address;
using SafeMath for uint256;


IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;


string private constant _name = "The Seven Deadly Sins";
string private constant _symbol = "SDS";
uint8 private constant _decimals = 18;


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


uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 7000000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;


bool public isTradingEnabled;


// max wallet is 1.0% of initialSupply
uint256 public maxWalletAmount = _tTotal * 100 / 10000;


// max tx is 0.33% of initialSupply
uint256 public maxTxAmount = _tTotal * 100 / 100000;


bool private _swapping;


// max wallet is 0.025% of initialSupply
uint256 public minimumTokensBeforeSwap = _tTotal * 100 / 1000000;


address private dead = 0x000000000000000000000000000000000000dEaD;


address public liquidityWallet;
address public marketingWallet;
address public buyBackWallet;
address public devWallet;


struct CustomTaxPeriod {
bytes23 periodName;
uint8 blocksInPeriod;
uint256 timeInPeriod;
uint8 liquidityFeeOnBuy;
uint8 liquidityFeeOnSell;
uint8 marketingFeeOnBuy;
uint8 marketingFeeOnSell;
uint8 devFeeOnBuy;
uint8 devFeeOnSell;
uint8 buyBackFeeOnBuy;
uint8 buyBackFeeOnSell;
uint8 holdersFeeOnBuy;
uint8 holdersFeeOnSell;
}


// Base taxes
CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,0,0,0,0,0,0,0,0,0,0);


uint256 private constant _blockedTimeLimit = 259200;
uint256 private _launchBlockNumber;
uint256 private _launchTimestamp;
mapping (address => bool) private _isBlocked;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMaxWalletLimit;
mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
mapping (address => bool) public automatedMarketMakerPairs;
mapping (address => bool) private _isExcludedFromDividends;
mapping (address => bool) private _isAllowedToTradeWhenDisabled;
address[] private _excludedFromDividends;


uint8 private _liquidityFee;
uint8 private _marketingFee;
uint8 private _devFee;
uint8 private _buyBackFee;
uint8 private _holdersFee;
uint8 private _totalFee;


event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event BlockedAccountChange(address indexed holder, bool indexed status);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier, address indexed newWallet, address indexed oldWallet);
event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee);
event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
event ClaimETHOverflow(uint256 amount);
event FeesApplied(uint8 liquidityFee, uint8 marketingFee, uint8 devFee, uint8 buyBackFee, uint8 holdersFee, uint8 totalFee);


constructor() {
liquidityWallet = owner();
marketingWallet = owner();
buyBackWallet = owner();
devWallet = owner();


IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
address(this),
_uniswapV2Router.WETH()
);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);


_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;


excludeFromDividends(address(this), true);
excludeFromDividends(address(dead), true);
excludeFromDividends(address(_uniswapV2Router), true);


_isAllowedToTradeWhenDisabled[owner()] = true;
_isAllowedToTradeWhenDisabled[address(this)] = true;


_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;


_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(dead)] = true;
_isExcludedFromMaxTransactionLimit[owner()] = true;


_rOwned[owner()] = _rTotal;
emit Transfer(address(0), owner(), _tTotal);
}


receive() external payable {}


// Setters
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
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;
}
function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool){
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
_approve(_msgSender(),spender,_allowances[_msgSender()][spender].sub(subtractedValue,"ERC20: decreased allowance below zero"));
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);
}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
if (_launchTimestamp == 0) {
_launchTimestamp = block.timestamp;
_launchBlockNumber = block.number;
}
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "Seven Deadly Sins: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function blockAccount(address account) external onlyOwner {
require(!_isBlocked[account], "Seven Deadly Sins: Account is already blocked");
require((block.timestamp - _launchTimestamp) < _blockedTimeLimit, "Seven Deadly Sins: Time to block accounts has expired");
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "Seven Deadly Sins: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded, "Seven Deadly Sins: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded, "Seven Deadly Sins: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded, "Seven Deadly Sins: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function setWallets(address newLiquidityWallet, address newMarketingWallet, address newDevWallet, address newBuyBackWallet) external onlyOwner {
if(liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "Seven Deadly Sins: The liquidityWallet cannot be 0");
emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
if(marketingWallet != newMarketingWallet) {
require(newMarketingWallet != address(0), "Seven Deadly Sins: The marketingWallet cannot be 0");
emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
if(devWallet != newDevWallet) {
require(newDevWallet != address(0), "Seven Deadly Sins: The devWallet cannot be 0");
emit WalletChange('devWallet', newDevWallet, devWallet);
devWallet = newDevWallet;
}
if(buyBackWallet != newBuyBackWallet) {
require(newBuyBackWallet != address(0), "Seven Deadly Sins: The buyBackWallet cannot be 0");
emit WalletChange('buyBackWallet', newBuyBackWallet, buyBackWallet);
buyBackWallet = newBuyBackWallet;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _devFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _holdersFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidityFeeOnSell, uint8 _marketingFeeOnSell, uint8 _devFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _holdersFeeOnSell);
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount, "Seven Deadly Sins: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "Seven Deadly Sins: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function excludeFromDividends(address account, bool excluded) public onlyOwner {
require(_isExcludedFromDividends[account] != excluded, "Seven Deadly Sins: Account is already the value of 'excluded'");
if(excluded) {
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromDividends[account] = excluded;
_excludedFromDividends.push(account);
} else {
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (_excludedFromDividends[i] == account) {
_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
_tOwned[account] = 0;
_isExcludedFromDividends[account] = false;
_excludedFromDividends.pop();
break;
}
}
}
emit ExcludeFromDividendsChange(account, excluded);
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap, "Seven Deadly Sins: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimETHOverflow() external onlyOwner {
require(address(this).balance > 0, "Seven Deadly Sins: Cannot send more than contract balance");
uint256 amount = address(this).balance;
(bool success,) = address(owner()).call{value : amount}("");
if (success){
emit ClaimETHOverflow(amount);
}
}


// Getters
function name() external pure returns (string memory) {
return _name;
}
function symbol() external pure returns (string memory) {
return _symbol;
}
function decimals() external view virtual returns (uint8) {
return _decimals;
}
function totalSupply() external pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcludedFromDividends[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function totalFees() external view returns (uint256) {
return _tFeeTotal;
}
function allowance(address owner, address spender) external view override returns (uint256) {
return _allowances[owner][spender];
}
function getBaseBuyFees() external view returns (uint8, uint8, uint8, uint8, uint8){
return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.holdersFeeOnBuy);
}
function getBaseSellFees() external view returns (uint8, uint8, uint8, uint8, uint8){
return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.holdersFeeOnSell);
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Seven Deadly Sins: Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
require(tAmount <= _tTotal, "Seven Deadly Sins: Amount must be less than supply");
uint256 currentRate = _getRate();
uint256 rAmount = tAmount * currentRate;
if (!deductTransferFee) {
return rAmount;
}
else {
uint256 rTotalFee = tAmount * _totalFee / 100 * currentRate;
uint256 rTransferAmount = rAmount - rTotalFee;
return rTransferAmount;
}
}


// Main
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");
require(amount > 0, "Transfer amount must be greater than zero");
require(amount <= balanceOf(from), "Seven Deadly Sins: Cannot transfer more than balance");


bool isBuyFromLp = automatedMarketMakerPairs[from];
bool isSelltoLp = automatedMarketMakerPairs[to];


if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "Seven Deadly Sins: Trading is currently disabled.");
require(!_isBlocked[to], "Seven Deadly Sins: Account is blocked");
require(!_isBlocked[from], "Seven Deadly Sins: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "Seven Deadly Sins: Transfer amount exceeds the maxTxAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "Seven Deadly Sins: Expected wallet amount exceeds the maxWalletAmount.");
}
}


_adjustTaxes(isBuyFromLp, isSelltoLp);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;


if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to]
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}


bool takeFee = !_swapping && isTradingEnabled;


if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());


if (_isExcludedFromDividends[sender]) {
_tOwned[sender] = _tOwned[sender] - tAmount;
}
if (_isExcludedFromDividends[recipient]) {
_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
}
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_takeContractFees(rOther, tOther);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal -= rFee;
_tFeeTotal += tFee;
}
function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
if (!takeFee) {
return (tAmount, 0, 0);
}
else {
uint256 tFee = tAmount * _holdersFee / 100;
uint256 tOther = tAmount * (_liquidityFee + _devFee + _marketingFee + _buyBackFee) / 100;
uint256 tTransferAmount = tAmount - (tFee + tOther);
return (tTransferAmount, tFee, tOther);
}
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tOther,
uint256 currentRate
) private pure returns ( uint256, uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rOther = tOther * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rOther);
return (rAmount, rTransferAmount, rFee, rOther);
}
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;
for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
if (
_rOwned[_excludedFromDividends[i]] > rSupply ||
_tOwned[_excludedFromDividends[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeContractFees(uint256 rOther, uint256 tOther) private {
if (_isExcludedFromDividends[address(this)]) {
_tOwned[address(this)] += tOther;
}
_rOwned[address(this)] += rOther;
}
function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp) private {
_liquidityFee = 0;
_devFee = 0;
_marketingFee = 0;
_buyBackFee = 0;
_holdersFee = 0;


if (isBuyFromLp) {
if ((block.number - _launchBlockNumber) <= 5) {
_liquidityFee = 100;
} else {
_liquidityFee = _base.liquidityFeeOnBuy;
_devFee = _base.devFeeOnBuy;
_marketingFee = _base.marketingFeeOnBuy;
_buyBackFee = _base.buyBackFeeOnBuy;
_holdersFee = _base.holdersFeeOnBuy;
}
}
if (isSelltoLp) {
_liquidityFee = _base.liquidityFeeOnSell;
_devFee = _base.devFeeOnSell;
_marketingFee = _base.marketingFeeOnSell;
_buyBackFee = _base.buyBackFeeOnSell;
_holdersFee = _base.holdersFeeOnSell;


if (block.timestamp - _launchTimestamp <= 259200) {
_liquidityFee = 2;
_devFee = 3;
_marketingFee = 10;
_buyBackFee = 8;
_holdersFee = 2;
}
}
_totalFee = _liquidityFee + _marketingFee + _devFee + _buyBackFee + _holdersFee;
emit FeesApplied(_liquidityFee, _marketingFee, _devFee, _buyBackFee, _holdersFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnSell,
uint8 _marketingFeeOnSell,
uint8 _devFeeOnSell,
uint8 _buyBackFeeOnSell,
uint8 _holdersFeeOnSell
) private {
if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
map.liquidityFeeOnSell = _liquidityFeeOnSell;
}
if (map.marketingFeeOnSell != _marketingFeeOnSell) {
emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
map.marketingFeeOnSell = _marketingFeeOnSell;
}
if (map.devFeeOnSell != _devFeeOnSell) {
emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
map.devFeeOnSell = _devFeeOnSell;
}
if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
map.buyBackFeeOnSell = _buyBackFeeOnSell;
}
if (map.holdersFeeOnSell != _holdersFeeOnSell) {
emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
map.holdersFeeOnSell = _holdersFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
uint8 _liquidityFeeOnBuy,
uint8 _marketingFeeOnBuy,
uint8 _devFeeOnBuy,
uint8 _buyBackFeeOnBuy,
uint8 _holdersFeeOnBuy
) private {
if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
}
if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
map.marketingFeeOnBuy = _marketingFeeOnBuy;
}
if (map.devFeeOnBuy != _devFeeOnBuy) {
emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
map.devFeeOnBuy = _devFeeOnBuy;
}
if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
}
if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
map.holdersFeeOnBuy = _holdersFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;


uint8 totalFeePrior = _totalFee;
uint8 liquidityFeePrior = _liquidityFee;
uint8 marketingFeePrior = _marketingFee;
uint8 devFeePrior = _devFee;
uint8 buyBackFeePrior = _buyBackFee;
uint8 holdersFeePrior = _holdersFee;


uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
uint256 amountToSwapForETH = contractBalance - amountToLiquify;


_swapTokensForETH(amountToSwapForETH);


uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = totalFeePrior - (liquidityFeePrior / 2) - (holdersFeePrior);
uint256 amountETHLiquidity = ETHBalanceAfterSwap * liquidityFeePrior / totalETHFee / 2;
uint256 amountETHDev = ETHBalanceAfterSwap * devFeePrior / totalETHFee;
uint256 amountETHBuyBack = ETHBalanceAfterSwap * buyBackFeePrior / totalETHFee;
uint256 amountETHMarketing = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);


payable(marketingWallet).transfer(amountETHMarketing);
payable(devWallet).transfer(amountETHDev);
payable(buyBackWallet).transfer(amountETHBuyBack);


if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity);
emit SwapAndLiquify(amountToSwapForETH, amountETHLiquidity, amountToLiquify);
}
_totalFee = totalFeePrior;
_liquidityFee = liquidityFeePrior;
_marketingFee = marketingFeePrior;
_devFee = devFeePrior;
_buyBackFee = buyBackFeePrior;
_holdersFee = holdersFeePrior;
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityWallet,
block.timestamp
);
}
}