文件 1 的 1:BBVerse.sol
pragma solidity >=0.6.0 <0.9.0;
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);
}
interface IFactoryV2 {
event PairCreated(address indexed token0, address indexed token1, address lpPair, uint);
function getPair(address tokenA, address tokenB) external view returns (address lpPair);
function createPair(address tokenA, address tokenB) external returns (address lpPair);
}
interface IV2Pair {
function factory() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function sync() external;
}
interface IRouter01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function swapExactETHForTokens(
uint amountOutMin,
address[] calldata path,
address to, uint deadline
) external payable returns (uint[] memory amounts);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IRouter02 is IRouter01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
}
interface AntiSnipe {
function checkUser(address from, address to, uint256 amt) external returns (bool);
function setLaunch(address _initialLpPair, uint32 _liqAddBlock, uint64 _liqAddStamp, uint8 dec) external;
function setLpPair(address pair, bool enabled) external;
function setProtections(bool _as, bool _ab) external;
function removeSniper(address account) external;
function removeBlacklisted(address account) external;
function isBlacklisted(address account) external view returns (bool);
function setBlacklistEnabled(address account, bool enabled) external;
function setBlacklistEnabledMultiple(address[] memory accounts, bool enabled) external;
}
contract BBVerse is IERC20 {
address private _owner;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => bool) lpPairs;
uint256 private timeSinceLastPair = 0;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _liquidityHolders;
mapping (address => bool) private _isExcludedFromProtection;
mapping (address => bool) private _isExcludedFromFees;
mapping (address => bool) private _isExcludedFromLimits;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
mapping (address => bool) private presaleAddresses;
bool private allowedPresaleExclusion = true;
uint256 private startingSupply = 1_000_000_000;
string constant private _name = "BB Verse";
string constant private _symbol = "BB";
uint8 constant private _decimals = 18;
uint256 private _tTotal = startingSupply * 10**_decimals;
uint256 constant private MAX = ~uint256(0);
uint256 private _rTotal = (MAX - (MAX % _tTotal));
struct Fees {
uint16 buyFee;
uint16 sellFee;
uint16 transferFee;
}
struct Ratios {
uint16 reflection;
uint16 bigBeans;
uint16 littleBeans;
uint16 marketing;
uint16 liquidity;
uint16 totalSwap;
}
Fees public _taxRates = Fees({
buyFee: 800,
sellFee: 1200,
transferFee: 1100
});
Ratios public _ratios = Ratios({
reflection: 100,
bigBeans: 700,
littleBeans: 100,
marketing: 700,
liquidity: 400,
totalSwap: 700 + 100 + 700 + 400
});
uint256 constant public maxBuyTaxes = 1500;
uint256 constant public maxSellTaxes = 1500;
uint256 constant public maxTransferTaxes = 1500;
uint256 constant public maxRoundtripTax = 3000;
uint256 constant masterTaxDivisor = 10000;
IRouter02 public dexRouter;
address public lpPair;
address constant public DEAD = 0x000000000000000000000000000000000000dEaD;
struct TaxWallets {
address payable marketing;
address payable bigBeans;
}
TaxWallets public _taxWallets = TaxWallets({
marketing: payable(0x15Fe17dc42a0463cC531AEf67A70490C5952077D),
bigBeans: payable(0xebF386CA0540d6a72Afb6aA378774c805DA6651D)
});
bool inSwap;
bool public contractSwapEnabled = false;
uint256 public swapThreshold;
uint256 public swapAmount;
bool public piContractSwapsEnabled;
uint256 public piSwapPercent;
uint256 private _maxTxAmount = (_tTotal * 2) / 100;
uint256 private _maxWalletSize = (_tTotal * 4) / 100;
bool public tradingEnabled;
bool public _hasLiqBeenAdded = false;
AntiSnipe antiSnipe;
bool public buybackEnabled;
bool public littleBeansEnabled;
bool public bigBeansEnabled;
uint256 public littleBeansPercent = 10;
uint256 public littleBeansDivisor = 100;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
event ContractSwapEnabledUpdated(bool enabled);
event AutoLiquify(uint256 amountCurrency, uint256 amountTokens);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
modifier onlyOwner() {
require(_owner == msg.sender, "Caller =/= owner.");
_;
}
constructor () payable {
_rOwned[msg.sender] = _rTotal;
emit Transfer(address(0), msg.sender, _tTotal);
_owner = msg.sender;
if (block.chainid == 56) {
dexRouter = IRouter02(0x10ED43C718714eb63d5aA57B78B54704E256024E);
} else if (block.chainid == 97) {
dexRouter = IRouter02(0xD99D1c33F9fC3444f8101754aBC46c52416550D1);
} else if (block.chainid == 1 || block.chainid == 4 || block.chainid == 3) {
dexRouter = IRouter02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
} else if (block.chainid == 43114) {
dexRouter = IRouter02(0x60aE616a2155Ee3d9A68541Ba4544862310933d4);
} else if (block.chainid == 250) {
dexRouter = IRouter02(0xF491e7B69E4244ad4002BC14e878a34207E38c29);
} else {
revert();
}
lpPair = IFactoryV2(dexRouter.factory()).createPair(dexRouter.WETH(), address(this));
lpPairs[lpPair] = true;
_approve(_owner, address(dexRouter), type(uint256).max);
_approve(address(this), address(dexRouter), type(uint256).max);
_isExcludedFromFees[_owner] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[DEAD] = true;
_liquidityHolders[_owner] = true;
}
receive() external payable {}
function transferOwner(address newOwner) external onlyOwner {
require(newOwner != address(0), "Call renounceOwnership to transfer owner to the zero address.");
require(newOwner != DEAD, "Call renounceOwnership to transfer owner to the zero address.");
setExcludedFromFees(_owner, false);
setExcludedFromFees(newOwner, true);
if(balanceOf(_owner) > 0) {
_finalizeTransfer(_owner, newOwner, balanceOf(_owner), false, false, true);
}
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function renounceOwnership() external onlyOwner {
setExcludedFromFees(_owner, false);
address oldOwner = _owner;
_owner = address(0);
emit OwnershipTransferred(oldOwner, address(0));
}
function totalSupply() external view override returns (uint256) { if (_tTotal == 0) { revert(); } return _tTotal; }
function decimals() external view override returns (uint8) { if (_tTotal == 0) { revert(); } return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return _owner; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function _approve(address sender, address spender, uint256 amount) internal {
require(sender != address(0), "ERC20: Zero Address");
require(spender != address(0), "ERC20: Zero Address");
_allowances[sender][spender] = amount;
emit Approval(sender, spender, amount);
}
function approveContractContingency() public onlyOwner returns (bool) {
_approve(address(this), address(dexRouter), type(uint256).max);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if (_allowances[sender][msg.sender] != type(uint256).max) {
_allowances[sender][msg.sender] -= amount;
}
return _transfer(sender, recipient, amount);
}
function setNewRouter(address newRouter) public onlyOwner {
IRouter02 _newRouter = IRouter02(newRouter);
address get_pair = IFactoryV2(_newRouter.factory()).getPair(address(this), _newRouter.WETH());
if (get_pair == address(0)) {
lpPair = IFactoryV2(_newRouter.factory()).createPair(address(this), _newRouter.WETH());
}
else {
lpPair = get_pair;
}
dexRouter = _newRouter;
_approve(address(this), address(dexRouter), type(uint256).max);
}
function setLpPair(address pair, bool enabled) external onlyOwner {
if (enabled == false) {
lpPairs[pair] = false;
antiSnipe.setLpPair(pair, false);
} else {
if (timeSinceLastPair != 0) {
require(block.timestamp - timeSinceLastPair > 3 days, "3 Day cooldown.!");
}
lpPairs[pair] = true;
timeSinceLastPair = block.timestamp;
antiSnipe.setLpPair(pair, true);
}
}
function setInitializer(address initializer) external onlyOwner {
require(!tradingEnabled);
require(initializer != address(this), "Can't be self.");
antiSnipe = AntiSnipe(initializer);
}
function isExcludedFromLimits(address account) external view returns (bool) {
return _isExcludedFromLimits[account];
}
function isExcludedFromFees(address account) external view returns(bool) {
return _isExcludedFromFees[account];
}
function isExcludedFromProtection(address account) external view returns (bool) {
return _isExcludedFromProtection[account];
}
function setExcludedFromLimits(address account, bool enabled) external onlyOwner {
_isExcludedFromLimits[account] = enabled;
}
function setExcludedFromFees(address account, bool enabled) public onlyOwner {
_isExcludedFromFees[account] = enabled;
}
function setExcludedFromProtection(address account, bool enabled) external onlyOwner {
_isExcludedFromProtection[account] = enabled;
}
function setBlacklistEnabled(address account, bool enabled) external onlyOwner {
antiSnipe.setBlacklistEnabled(account, enabled);
}
function setBlacklistEnabledMultiple(address[] memory accounts, bool enabled) external onlyOwner {
antiSnipe.setBlacklistEnabledMultiple(accounts, enabled);
}
function isBlacklisted(address account) public view returns (bool) {
return antiSnipe.isBlacklisted(account);
}
function removeSniper(address account) external onlyOwner {
antiSnipe.removeSniper(account);
}
function setProtectionSettings(bool _antiSnipe, bool _antiBlock) external onlyOwner {
antiSnipe.setProtections(_antiSnipe, _antiBlock);
}
function setTaxes(uint16 buyFee, uint16 sellFee, uint16 transferFee) external onlyOwner {
require(buyFee <= maxBuyTaxes
&& sellFee <= maxSellTaxes
&& transferFee <= maxTransferTaxes,
"Cannot exceed maximums.");
require(buyFee + sellFee <= maxRoundtripTax, "Cannot exceed roundtrip maximum.");
_taxRates.buyFee = buyFee;
_taxRates.sellFee = sellFee;
_taxRates.transferFee = transferFee;
}
function setWallets(address payable marketing, address payable bigBeans) external onlyOwner {
_taxWallets.marketing = payable(marketing);
_taxWallets.bigBeans = payable(bigBeans);
}
function setRatios(uint16 reflection, uint16 bigBeans, uint16 littleBeans, uint16 marketing, uint16 liquidity) external onlyOwner {
_ratios.reflection = reflection;
_ratios.bigBeans = bigBeans;
_ratios.littleBeans = littleBeans;
_ratios.marketing = marketing;
_ratios.liquidity = liquidity;
_ratios.totalSwap = marketing + bigBeans + littleBeans + liquidity;
uint256 total = _taxRates.buyFee + _taxRates.sellFee;
require(_ratios.totalSwap + _ratios.reflection <= total, "Cannot exceed sum of buy and sell fees.");
}
function setMaxTxPercent(uint256 percent, uint256 divisor) external onlyOwner {
require((_tTotal * percent) / divisor >= (_tTotal / 1000), "Max Transaction amt must be above 0.1% of total supply.");
_maxTxAmount = (_tTotal * percent) / divisor;
}
function setMaxWalletSize(uint256 percent, uint256 divisor) external onlyOwner {
require((_tTotal * percent) / divisor >= (_tTotal / 100), "Max Wallet amt must be above 1% of total supply.");
_maxWalletSize = (_tTotal * percent) / divisor;
}
function getMaxTX() public view returns (uint256) {
return _maxTxAmount / (10**_decimals);
}
function getMaxWallet() public view returns (uint256) {
return _maxWalletSize / (10**_decimals);
}
function setSwapSettings(uint256 thresholdPercent, uint256 thresholdDivisor, uint256 amountPercent, uint256 amountDivisor) external onlyOwner {
swapThreshold = (_tTotal * thresholdPercent) / thresholdDivisor;
swapAmount = (_tTotal * amountPercent) / amountDivisor;
require(swapThreshold <= swapAmount, "Threshold cannot be above amount.");
}
function setPriceImpactSwapAmount(uint256 priceImpactSwapPercent) external onlyOwner {
require(priceImpactSwapPercent <= 200, "Cannot set above 2%.");
piSwapPercent = priceImpactSwapPercent;
}
function setContractSwapEnabled(bool swapEnabled, bool priceImpactSwapEnabled) external onlyOwner {
contractSwapEnabled = swapEnabled;
piContractSwapsEnabled = priceImpactSwapEnabled;
emit ContractSwapEnabledUpdated(swapEnabled);
}
function setBuybackEnabled(bool enabled) external onlyOwner {
buybackEnabled = enabled;
}
function setBigBeansEnabled(bool enabled) external onlyOwner {
if (enabled) {
littleBeansEnabled = false;
}
bigBeansEnabled = enabled;
}
function setLittleBeansEnabled(bool enabled) external onlyOwner {
if (enabled) {
bigBeansEnabled = false;
}
littleBeansEnabled = enabled;
}
function setLittleBeansSettings(uint256 percent, uint256 divisor) external onlyOwner {
littleBeansPercent = percent;
littleBeansDivisor = divisor;
}
function excludePresaleAddresses(address router, address presale) external onlyOwner {
require(allowedPresaleExclusion);
require(router != address(this) && presale != address(this), "Just don't.");
if (router == presale) {
_liquidityHolders[presale] = true;
presaleAddresses[presale] = true;
setExcludedFromFees(presale, true);
setExcludedFromReward(presale, true);
} else {
_liquidityHolders[router] = true;
_liquidityHolders[presale] = true;
presaleAddresses[router] = true;
presaleAddresses[presale] = true;
setExcludedFromFees(router, true);
setExcludedFromFees(presale, true);
setExcludedFromReward(router, true);
setExcludedFromReward(presale, true);
}
}
function _hasLimits(address from, address to) internal view returns (bool) {
return from != _owner
&& to != _owner
&& tx.origin != _owner
&& !_liquidityHolders[to]
&& !_liquidityHolders[from]
&& to != DEAD
&& to != address(0)
&& from != address(this);
}
function _transfer(address from, address to, uint256 amount) internal returns (bool) {
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");
bool buy = false;
bool sell = false;
bool other = false;
if (lpPairs[from]) {
buy = true;
} else if (lpPairs[to]) {
sell = true;
} else {
other = true;
}
if(_hasLimits(from, to)) {
if(!tradingEnabled) {
revert("Trading not yet enabled!");
}
if(buy || sell){
if (!_isExcludedFromLimits[from] && !_isExcludedFromLimits[to]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
}
if(to != address(dexRouter) && !sell) {
if (!_isExcludedFromLimits[to]) {
require(balanceOf(to) + amount <= _maxWalletSize, "Transfer amount exceeds the maxWalletSize.");
}
}
}
if (sell) {
if (!inSwap) {
if(contractSwapEnabled
&& !presaleAddresses[to]
&& !presaleAddresses[from]
) {
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance >= swapThreshold) {
uint256 swapAmt = swapAmount;
if(piContractSwapsEnabled) { swapAmt = (balanceOf(lpPair) * piSwapPercent) / masterTaxDivisor; }
if(contractTokenBalance >= swapAmt) { contractTokenBalance = swapAmt; }
contractSwap(contractTokenBalance);
}
}
}
if (buybackEnabled && from != address(this)) {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
uint256 balance = dexRouter.getAmountsOut(amount, path)[1];
uint256 value = (balance * littleBeansPercent) / littleBeansDivisor;
if (littleBeansEnabled && value < address(this).balance) {
buybackAndBurn(value);
}
if (bigBeansEnabled) {
if (address(this).balance < balance * 2) {
bigBeansEnabled = false;
littleBeansEnabled = true;
} else {
buybackAndBurn(balance * 2);
}
}
}
}
return _finalizeTransfer(from, to, amount, buy, sell, other);
}
function contractSwap(uint256 contractTokenBalance) internal lockTheSwap {
Ratios memory ratios = _ratios;
if (ratios.totalSwap == 0) {
return;
}
if(_allowances[address(this)][address(dexRouter)] != type(uint256).max) {
_allowances[address(this)][address(dexRouter)] = type(uint256).max;
}
uint256 toLiquify = ((contractTokenBalance * ratios.liquidity) / ratios.totalSwap) / 2;
uint256 swapAmt = contractTokenBalance - toLiquify;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
swapAmt,
0,
path,
address(this),
block.timestamp
);
uint256 amtBalance = address(this).balance;
uint256 liquidityBalance = (amtBalance * toLiquify) / swapAmt;
if (toLiquify > 0) {
dexRouter.addLiquidityETH{value: liquidityBalance}(
address(this),
toLiquify,
0,
0,
DEAD,
block.timestamp
);
emit AutoLiquify(liquidityBalance, toLiquify);
}
amtBalance -= liquidityBalance;
ratios.totalSwap -= ratios.liquidity;
bool success;
uint256 bigBeansBalance = (amtBalance * ratios.bigBeans) / ratios.totalSwap;
uint256 littleBeansBalance = (amtBalance * ratios.littleBeans) / ratios.totalSwap;
uint256 marketingBalance = amtBalance - (bigBeansBalance + littleBeansBalance);
if (ratios.bigBeans > 0) {
(success,) = _taxWallets.bigBeans.call{value: bigBeansBalance, gas: 35000}("");
}
if (ratios.marketing > 0) {
(success,) = _taxWallets.marketing.call{value: marketingBalance, gas: 35000}("");
}
}
function buybackAndBurn(uint256 amountETH) internal {
address[] memory path = new address[](2);
path[0] = dexRouter.WETH();
path[1] = address(this);
dexRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amountETH}(
0,
path,
DEAD,
block.timestamp
);
}
function _checkLiquidityAdd(address from, address to) internal {
require(!_hasLiqBeenAdded, "Liquidity already added and marked.");
if (!_hasLimits(from, to) && to == lpPair) {
_liquidityHolders[from] = true;
_isExcludedFromFees[from] = true;
_hasLiqBeenAdded = true;
if(address(antiSnipe) == address(0)){
antiSnipe = AntiSnipe(address(this));
}
contractSwapEnabled = true;
emit ContractSwapEnabledUpdated(true);
}
}
function enableTrading() public onlyOwner {
require(!tradingEnabled, "Trading already enabled!");
require(_hasLiqBeenAdded, "Liquidity must be added.");
if(address(antiSnipe) == address(0)){
antiSnipe = AntiSnipe(address(this));
}
try antiSnipe.setLaunch(lpPair, uint32(block.number), uint64(block.timestamp), _decimals) {} catch {}
tradingEnabled = true;
allowedPresaleExclusion = false;
swapThreshold = (balanceOf(lpPair) * 10) / 10000;
swapAmount = (balanceOf(lpPair) * 30) / 10000;
}
function sweepContingency() external onlyOwner {
require(!_hasLiqBeenAdded, "Cannot call after liquidity.");
payable(_owner).transfer(address(this).balance);
}
function multiSendTokens(address[] memory accounts, uint256[] memory amounts) external onlyOwner {
require(accounts.length == amounts.length, "Lengths do not match.");
for (uint8 i = 0; i < accounts.length; i++) {
require(balanceOf(msg.sender) >= amounts[i]);
_finalizeTransfer(msg.sender, accounts[i], amounts[i]*10**_decimals, false, false, true);
}
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function setExcludedFromReward(address account, bool enabled) public onlyOwner {
if (enabled) {
require(!_isExcluded[account], "Account is already excluded.");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
if(account != lpPair){
_excluded.push(account);
}
} else if (!enabled) {
require(_isExcluded[account], "Account is already included.");
if (account == lpPair) {
_rOwned[account] = _tOwned[account] * _getRate();
_tOwned[account] = 0;
_isExcluded[account] = false;
} else if(_excluded.length == 1) {
_rOwned[account] = _tOwned[account] * _getRate();
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
} else {
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_rOwned[account] = _tOwned[account] * _getRate();
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
struct ExtraValues {
uint256 tTransferAmount;
uint256 tFee;
uint256 tSwap;
uint256 rTransferAmount;
uint256 rAmount;
uint256 rFee;
uint256 currentRate;
}
function _finalizeTransfer(address from, address to, uint256 tAmount, bool buy, bool sell, bool other) internal returns (bool) {
if (!_hasLiqBeenAdded) {
_checkLiquidityAdd(from, to);
if (!_hasLiqBeenAdded && _hasLimits(from, to) && !_isExcludedFromProtection[from] && !_isExcludedFromProtection[to] && !other) {
revert("Pre-liquidity transfer protection.");
}
}
bool takeFee = true;
if(_isExcludedFromFees[from] || _isExcludedFromFees[to]){
takeFee = false;
}
ExtraValues memory values = takeTaxes(from, to, tAmount, takeFee, buy, sell, other);
_rOwned[from] -= values.rAmount;
_rOwned[to] += values.rTransferAmount;
if (_isExcluded[from]) {
_tOwned[from] = _tOwned[from] - tAmount;
}
if (_isExcluded[to]) {
_tOwned[to] = _tOwned[to] + values.tTransferAmount;
}
if (values.rFee > 0 || values.tFee > 0) {
_rTotal -= values.rFee;
}
emit Transfer(from, to, values.tTransferAmount);
return true;
}
function takeTaxes(address from, address to, uint256 tAmount, bool takeFee, bool buy, bool sell, bool other) internal returns (ExtraValues memory) {
ExtraValues memory values;
Ratios memory ratios = _ratios;
values.currentRate = _getRate();
values.rAmount = tAmount * values.currentRate;
if (_hasLimits(from, to)) {
bool checked;
try antiSnipe.checkUser(from, to, tAmount) returns (bool check) {
checked = check;
} catch {
revert();
}
if(!checked) {
revert();
}
}
if(takeFee) {
uint256 currentFee;
if (buy) {
currentFee = _taxRates.buyFee;
} else if (sell) {
currentFee = _taxRates.sellFee;
} else {
currentFee = _taxRates.transferFee;
}
uint256 feeAmount = (tAmount * currentFee) / masterTaxDivisor;
uint256 total = ratios.totalSwap + ratios.reflection;
values.tFee = (feeAmount * ratios.reflection) / total;
values.tSwap = feeAmount - values.tFee;
values.tTransferAmount = tAmount - feeAmount;
values.rFee = values.tFee * values.currentRate;
} else {
values.tTransferAmount = tAmount;
}
if (values.tSwap > 0) {
_rOwned[address(this)] += values.tSwap * values.currentRate;
if(_isExcluded[address(this)]) {
_tOwned[address(this)] += values.tSwap;
}
emit Transfer(from, address(this), values.tSwap);
}
values.rTransferAmount = values.rAmount - (values.rFee + (values.tSwap * values.currentRate));
return values;
}
function _getRate() internal view returns(uint256) {
uint256 rTotal = _rTotal;
uint256 tTotal = _tTotal;
uint256 rSupply = rTotal;
uint256 tSupply = tTotal;
if(_isExcluded[lpPair]) {
uint256 rLPOwned = _rOwned[lpPair];
uint256 tLPOwned = _tOwned[lpPair];
if (rLPOwned > rSupply || tLPOwned > tSupply) return rTotal / tTotal;
rSupply -= rLPOwned;
tSupply -= tLPOwned;
}
if(_excluded.length > 0) {
for (uint8 i = 0; i < _excluded.length; i++) {
uint256 rOwned = _rOwned[_excluded[i]];
uint256 tOwned = _tOwned[_excluded[i]];
if (rOwned > rSupply || tOwned > tSupply) return rTotal / tTotal;
rSupply = rSupply - rOwned;
tSupply = tSupply - tOwned;
}
}
if (rSupply < rTotal / tTotal) return rTotal / tTotal;
return rSupply / tSupply;
}
}