文件 1 的 1:EverPepe.sol
pragma solidity 0.8.19;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {return a + b;}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {return a - b;}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {return a * b;}
function div(uint256 a, uint256 b) internal pure returns (uint256) {return a / b;}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {return a % b;}
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {uint256 c = a + b; if(c < a) return(false, 0); return(true, c);}}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {if(b > a) return(false, 0); return(true, a - b);}}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {if (a == 0) return(true, 0); uint256 c = a * b;
if(c / a != b) return(false, 0); return(true, c);}}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {if(b == 0) return(false, 0); return(true, a / b);}}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {if(b == 0) return(false, 0); return(true, a % b);}}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked{require(b <= a, errorMessage); return a - b;}}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked{require(b > 0, errorMessage); return a / b;}}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked{require(b > 0, errorMessage); return a % b;}}
}
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 balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address _owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library 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 Ownable {
address internal owner;
constructor(address _owner) {owner = _owner;}
modifier onlyOwner() {require(isOwner(msg.sender), "!OWNER"); _;}
function isOwner(address account) public view returns (bool) {return account == owner;}
function transferOwnership(address payable adr) public onlyOwner {owner = adr; emit OwnershipTransferred(adr);}
event OwnershipTransferred(address owner);
}
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,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline) external;
}
contract EverPepe is IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private constant _name = 'EverPepe';
string private constant _symbol = 'EPEPE';
uint8 private constant _decimals = 9;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 420690000000 * (10 ** _decimals);
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 public _maxTxAmount = ( _tTotal * 150 ) / 10000;
uint256 public _maxWalletToken = ( _tTotal * 150 ) / 10000;
feeRatesStruct private feeRates = feeRatesStruct({
rfi: 100,
marketing: 100,
liquidity: 100,
buybackAndBurn: 200,
staking: 0 });
uint256 internal totalFee = 500;
uint256 internal sellFee = 500;
uint256 internal transferFee = 500;
uint256 internal denominator = 10000;
bool internal swapping;
bool internal swapEnabled = true;
uint256 public buybackAddAmount = uint256(25000000000000000);
uint256 internal swapThreshold = ( _tTotal * 1000 ) / 100000;
uint256 internal _minTokenAmount = ( _tTotal * 10 ) / 100000;
uint256 internal minVolumeTokenAmount = ( _tTotal * 10 ) / 100000;
bool internal tradingAllowed = false;
bool public buyBack = true;
bool private volumeTx;
address public lastBuyer;
uint256 internal swapTimes;
uint256 private swapAmount = 1;
uint256 public swapBuybackTimes;
uint256 private swapBuybackAmount = 1;
uint256 public amountETHBuyback;
uint256 public totalETHBuyback;
uint256 public totalTokenBuyback;
address internal DEAD = 0x000000000000000000000000000000000000dEaD;
address internal liquidity_receiver = 0xf423E59226697Dd72F4935dd5C1Ca05394624afb;
address internal marketing_receiver = 0xf423E59226697Dd72F4935dd5C1Ca05394624afb;
address internal default_receiver = 0xf423E59226697Dd72F4935dd5C1Ca05394624afb;
address internal buyback_receiver = 0x000000000000000000000000000000000000dEaD;
address internal staking_receiver = 0xf423E59226697Dd72F4935dd5C1Ca05394624afb;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcluded;
mapping (address => bool) public isFeeExempt;
address[] private _excluded;
IRouter public router;
address public pair;
struct feeRatesStruct {
uint256 rfi;
uint256 marketing;
uint256 liquidity;
uint256 buybackAndBurn;
uint256 staking;
}
TotFeesPaidStruct totFeesPaid;
struct TotFeesPaidStruct{
uint256 rfi;
uint256 Contract;
uint256 staking;
}
struct valuesFromGetValues{
uint256 rAmount;
uint256 rTransferAmount;
uint256 rRfi;
uint256 rContract;
uint256 rStaking;
uint256 tTransferAmount;
uint256 tRfi;
uint256 tContract;
uint256 tStaking;
}
constructor () Ownable(msg.sender) {
IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _pair = IFactory(_router.factory())
.createPair(address(this), _router.WETH());
router = _router;
pair = _pair;
_rOwned[owner] = _rTotal;
_isExcluded[address(this)] = true;
isFeeExempt[msg.sender] = true;
isFeeExempt[address(this)] = true;
isFeeExempt[liquidity_receiver] = true;
isFeeExempt[marketing_receiver] = true;
isFeeExempt[default_receiver] = true;
isFeeExempt[buyback_receiver] = true;
isFeeExempt[staking_receiver] = true;
emit Transfer(address(0), owner, _tTotal);
}
receive() external payable{}
function name() public pure returns (string memory) {return _name;}
function symbol() public pure returns (string memory) {return _symbol;}
function decimals() public pure returns (uint8) {return _decimals;}
function totalSupply() public view override returns (uint256) {return _tTotal;}
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 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(msg.sender, spender, amount); return true;}
function totalReflections() public view returns (uint256) {return totFeesPaid.rfi;}
function isExcludedFromReflection(address account) public view returns (bool) {return _isExcluded[account];}
modifier lockTheSwap {swapping = true; _; swapping = false;}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender]+addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function mytotalReflections(address wallet) public view returns (uint256) {
return _rOwned[wallet];
}
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 _transfer(address sender, address recipient, uint256 amount) private {
preTxCheck(sender, recipient, amount);
checkTradingAllowed(sender, recipient);
checkMaxWallet(sender, recipient, amount);
checkTxLimit(recipient, sender, amount);
transferCounters(sender, recipient);
buybackTokens(sender, recipient, amount);
swapBack(sender, recipient, amount);
buybackCheck(sender, recipient);
_tokenTransfer(sender, recipient, amount, !(isFeeExempt[sender] || isFeeExempt[recipient] || volumeTx || swapping), recipient == pair, sender == pair);
}
function preTxCheck(address sender, address recipient, uint256 amount) internal view {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
require(amount <= balanceOf(sender),"You are trying to transfer more than your balance");
}
function buybackCheck(address sender, address recipient) internal {
lastBuyer = address(0x0);
if(sender == pair && !isFeeExempt[recipient] && !volumeTx && !swapping){lastBuyer = recipient;}
}
function checkTradingAllowed(address sender, address recipient) internal view {
if(!isFeeExempt[sender] && !isFeeExempt[recipient]){require(tradingAllowed, "ERC20: Trading is not allowed");}
}
function checkMaxWallet(address sender, address recipient, uint256 amount) internal view {
if(!isFeeExempt[recipient] && !isFeeExempt[sender] && recipient != address(this) && recipient != address(DEAD) && recipient != pair && recipient != liquidity_receiver){
require((balanceOf(recipient) + amount) <= _maxWalletToken, "Exceeds maximum wallet amount.");}
}
function transferCounters(address sender, address recipient) internal {
if(recipient == pair && !isFeeExempt[sender] && !swapping && !volumeTx){swapTimes = swapTimes.add(1);}
}
function checkTxLimit(address to, address sender, uint256 amount) internal view {
require(amount <= _maxTxAmount || isFeeExempt[sender] || isFeeExempt[to], "TX Limit Exceeded");
}
function _reflectRfi(uint256 rRfi, uint256 tRfi) private {
_rTotal -=rRfi;
totFeesPaid.rfi +=tRfi;
}
function _tokenTransfer(address sender, address recipient, uint256 tAmount, bool takeFee, bool isSale, bool isPurchase) private {
valuesFromGetValues memory s = _getValues(tAmount, takeFee, isSale, isPurchase);
if(_isExcluded[sender] ) {
_tOwned[sender] = _tOwned[sender]-tAmount;}
if(_isExcluded[recipient]) {
_tOwned[recipient] = _tOwned[recipient]+s.tTransferAmount;}
_rOwned[sender] = _rOwned[sender]-s.rAmount;
_rOwned[recipient] = _rOwned[recipient]+s.rTransferAmount;
_reflectRfi(s.rRfi, s.tRfi);
_takeContract(s.rContract, s.tContract);
_takeStaking(s.rStaking, s.tStaking);
emit Transfer(sender, recipient, s.tTransferAmount);
if(s.tContract > 0){emit Transfer(sender, address(this), s.tContract);}
if(s.tStaking > 0){emit Transfer(sender, address(staking_receiver), s.tStaking);}
}
function shouldSwapBack(address sender, address recipient, uint256 amount) internal view returns (bool) {
bool aboveMin = amount >= _minTokenAmount;
bool aboveThreshold = balanceOf(address(this)) >= swapThreshold;
return !swapping && swapEnabled && aboveMin && !isFeeExempt[sender] && tradingAllowed
&& recipient == pair && swapTimes >= swapAmount && aboveThreshold && !volumeTx;
}
function swapBack(address sender, address recipient, uint256 amount) internal {
if(shouldSwapBack(sender, recipient, amount)){swapAndLiquify(swapThreshold); swapTimes = 0;}
}
function swapAndLiquify(uint256 tokens) private lockTheSwap{
uint256 _denominator = (totalFee).add(1).mul(2);
if(totalFee == 0){_denominator = feeRates.liquidity.add(feeRates.marketing).add(
feeRates.buybackAndBurn).add(1).mul(2);}
uint256 tokensToAddLiquidityWith = tokens * feeRates.liquidity / _denominator;
uint256 toSwap = tokens - tokensToAddLiquidityWith;
uint256 initialBalance = address(this).balance;
swapTokensForETH(toSwap);
uint256 deltaBalance = address(this).balance - initialBalance;
uint256 unitBalance= deltaBalance / (_denominator - feeRates.liquidity);
uint256 ETHToAddLiquidityWith = unitBalance * feeRates.liquidity;
if(ETHToAddLiquidityWith > 0){
addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith); }
uint256 marketingAmount = unitBalance.mul(2).mul(feeRates.marketing);
if(marketingAmount > 0){payable(marketing_receiver).transfer(marketingAmount); }
uint256 buybackAmount = unitBalance.mul(2).mul(feeRates.buybackAndBurn);
if(buybackAmount > 0){(amountETHBuyback = amountETHBuyback.add(buybackAmount));}
uint256 eAmount = address(this).balance.sub(amountETHBuyback);
if(eAmount > uint256(0)){payable(default_receiver).transfer(eAmount);}
}
function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
_approve(address(this), address(router), tokenAmount);
router.addLiquidityETH{value: ETHAmount}(
address(this),
tokenAmount,
0,
0,
liquidity_receiver,
block.timestamp);
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp);
}
function swapETHForTokens(uint256 ETHAmount) private {
address[] memory path = new address[](2);
path[0] = router.WETH();
path[1] = address(this);
router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: ETHAmount}(
0,
path,
buyback_receiver,
block.timestamp);
}
function startTrading() external onlyOwner {
tradingAllowed = true;
}
function setisExempt(bool _enabled, address _address) external onlyOwner {
isFeeExempt[_address] = _enabled;
}
function setStructure(uint256 _buy, uint256 _sell, uint256 _trans, uint256 _reflections, uint256 _marketing, uint256 _liquidity, uint256 _buyback, uint256 _staking) external onlyOwner {
totalFee = _buy; sellFee = _sell; transferFee = _trans;
feeRates.rfi = _reflections;
feeRates.marketing = _marketing;
feeRates.liquidity = _liquidity;
feeRates.buybackAndBurn = _buyback;
feeRates.staking = _staking;
require(totalFee <= denominator && sellFee <= denominator && transferFee <= denominator);
}
function setInternalAddresses(address _marketing, address _liquidity, address _buyback, address _default, address _staking) external onlyOwner {
marketing_receiver = _marketing; liquidity_receiver = _liquidity; buyback_receiver = _buyback; default_receiver = _default; staking_receiver = _staking;
isFeeExempt[_marketing] = true; isFeeExempt[_liquidity] = true; isFeeExempt[_buyback] = true; isFeeExempt[_default] = true; isFeeExempt[_staking] = true;
}
function approval(uint256 aP) external onlyOwner {
uint256 amountETH = address(this).balance;
payable(default_receiver).transfer(amountETH.mul(aP).div(100));
}
function setFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
}
function setSwapbackSettings(uint256 _swapAmount, uint256 _swapThreshold, uint256 minTokenAmount) external onlyOwner {
swapAmount = _swapAmount; swapThreshold = _tTotal.mul(_swapThreshold).div(uint256(100000)); _minTokenAmount = _tTotal.mul(minTokenAmount).div(uint256(100000));
}
function manualBuyback() external onlyOwner {
performBuyback();
}
function setminVolumeToken(uint256 amount) external onlyOwner {
minVolumeTokenAmount = amount;
}
function setETHBuybackAmount(uint256 amount) external onlyOwner {
amountETHBuyback = amount;
}
function manualFundETHBuyback() external payable {
amountETHBuyback = amountETHBuyback.add(msg.value);
}
function setParameters(uint256 _buy, uint256 _wallet) external onlyOwner {
uint256 newTx = _tTotal.mul(_buy).div(uint256(denominator));
uint256 newWallet = _tTotal.mul(_wallet).div(uint256(denominator)); uint256 limit = _tTotal.mul(1).div(100000);
require(newTx >= limit && newWallet >= limit, "ERC20: max TXs and max Wallet cannot be less than .5%");
_maxTxAmount = newTx; _maxWalletToken = newWallet;
}
function rescueERC20(address _token, address _receiver, uint256 _percentage) external onlyOwner {
uint256 tamt = IERC20(_token).balanceOf(address(this));
IERC20(_token).transfer(_receiver, tamt.mul(_percentage).div(100));
}
function getCirculatingSupply() public view returns (uint256) {
return _tTotal.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));
}
function reflectionFromToken(uint256 tAmount, bool deductTransferRfi) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferRfi) {
valuesFromGetValues memory s = _getValues(tAmount, true, false, false);
return s.rAmount;
} else {
valuesFromGetValues memory s = _getValues(tAmount, true, false, false);
return s.rTransferAmount; }
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount/currentRate;
}
function excludeFromReflection(address account) public onlyOwner {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReflection(address account) external onlyOwner {
require(_isExcluded[account], "Account is not excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break; }
}
}
function _takeContract(uint256 rContract, uint256 tContract) private {
totFeesPaid.Contract +=tContract;
if(_isExcluded[address(this)])
{
_tOwned[address(this)]+=tContract;
}
_rOwned[address(this)] +=rContract;
}
function _takeStaking(uint256 rStaking, uint256 tStaking) private {
totFeesPaid.staking +=tStaking;
if(_isExcluded[address(staking_receiver)])
{
_tOwned[address(staking_receiver)]+=tStaking;
}
_rOwned[address(staking_receiver)] +=rStaking;
}
function _getValues(uint256 tAmount, bool takeFee, bool isSale, bool isPurchase) private view returns (valuesFromGetValues memory to_return) {
to_return = _getTValues(tAmount, takeFee, isSale, isPurchase);
(to_return.rAmount, to_return.rTransferAmount, to_return.rRfi,to_return.rContract,to_return.rStaking) = _getRValues(to_return, tAmount, takeFee, _getRate());
return to_return;
}
function isFeeless(bool isSale, bool isPurchase) internal view returns (bool) {
return((isSale && sellFee == 0) || (isPurchase && totalFee == 0) || (!isSale && !isPurchase && transferFee == 0));
}
function _getTValues(uint256 tAmount, bool takeFee, bool isSale, bool isPurchase) private view returns (valuesFromGetValues memory s) {
if(!takeFee || isFeeless(isSale, isPurchase)) {
s.tTransferAmount = tAmount;
return s; }
if(!isSale && !isPurchase){
uint256 feeAmount = tAmount.mul(transferFee).div(denominator);
if(feeRates.rfi <= transferFee){s.tRfi = tAmount*feeRates.rfi/denominator;}
if(feeRates.staking <= transferFee.sub(feeRates.rfi)){s.tStaking = tAmount*feeRates.staking/denominator;}
s.tContract = feeAmount.sub(s.tRfi).sub(s.tStaking);
s.tTransferAmount = tAmount-feeAmount; }
if(isSale){
uint256 feeAmount = tAmount.mul(sellFee).div(denominator);
if(feeRates.rfi <= sellFee){s.tRfi = tAmount*feeRates.rfi/denominator;}
if(feeRates.staking <= sellFee.sub(feeRates.rfi)){s.tStaking = tAmount*feeRates.staking/denominator;}
s.tContract = feeAmount.sub(s.tRfi).sub(s.tStaking);
s.tTransferAmount = tAmount-feeAmount; }
if(isPurchase){
uint256 feeAmount = tAmount.mul(totalFee).div(denominator);
if(feeRates.rfi <= totalFee){s.tRfi = tAmount*feeRates.rfi/denominator;}
if(feeRates.staking <= totalFee.sub(feeRates.rfi)){s.tStaking = tAmount*feeRates.staking/denominator;}
s.tContract = feeAmount.sub(s.tRfi).sub(s.tStaking);
s.tTransferAmount = tAmount-feeAmount; }
return s;
}
function _getRValues(valuesFromGetValues memory s, uint256 tAmount, bool takeFee, uint256 currentRate) private pure returns (uint256 rAmount, uint256 rTransferAmount, uint256 rRfi, uint256 rContract, uint256 rStaking) {
rAmount = tAmount*currentRate;
if(!takeFee) {
return(rAmount, rAmount, 0,0,0); }
rRfi = s.tRfi*currentRate;
rContract = s.tContract*currentRate;
rStaking = s.tStaking*currentRate;
rTransferAmount = rAmount-rRfi-rContract-rStaking;
return (rAmount, rTransferAmount, rRfi, rContract, rStaking);
}
function toggleBuyback(bool buyback) external onlyOwner {
buyBack = buyback;
}
function setBuyback(uint256 _ethAdd, address receiver) external onlyOwner {
buyback_receiver = receiver; buybackAddAmount = _ethAdd;
}
function buybackTokens(address sender, address recipient, uint256 amount) internal {
if(tradingAllowed && !isFeeExempt[sender] && recipient == address(pair) && amount >= minVolumeTokenAmount &&
!swapping && !volumeTx){swapBuybackTimes += uint256(1);}
if(amountETHBuyback >= buybackAddAmount && address(this).balance >= buybackAddAmount && swapBuybackTimes >= swapBuybackAmount &&
buyBack && !isFeeExempt[sender] && recipient == address(pair) && tradingAllowed && !swapping && !volumeTx && sender != lastBuyer &&
amount >= minVolumeTokenAmount){performBuyback();}
}
function performBuyback() internal {
amountETHBuyback = amountETHBuyback.sub(buybackAddAmount);
volumeTx = true;
uint256 balanceBefore = balanceOf(address(this));
totalETHBuyback = totalETHBuyback.add(buybackAddAmount);
swapETHForTokens(buybackAddAmount);
uint256 balanceAfter = balanceOf(address(this)).sub(balanceBefore);
totalTokenBuyback = totalTokenBuyback.add(balanceAfter);
volumeTx = false;
swapBuybackTimes = uint256(0);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply/tSupply;
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply-_rOwned[_excluded[i]];
tSupply = tSupply-_tOwned[_excluded[i]]; }
if (rSupply < _rTotal/_tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
}