Contract Source Code:
File 1 of 1 : POF
//SPDX-License-Identifier: MIT
/*
0x09c40F32890805a99392819c02Eb5860b71825C0
*/
pragma solidity 0.8.17;
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);
}
abstract contract Auth {
address internal _owner;
constructor(address creatorOwner) { _owner = creatorOwner; }
modifier onlyOwner() { require(msg.sender == _owner, "Only contract _owner can call this function"); _; }
function transferOwnership(address payable newOwner) external onlyOwner { _owner = newOwner; emit OwnershipTransferred(newOwner); }
event OwnershipTransferred(address _owner);
}
interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); }
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external;
function WETH() external pure returns (address);
function factory() 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);
}
contract POF is IERC20, Auth {
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 10_000_000 * (10**_decimals);
string private constant _name = "Proof of Floki";
string private constant _symbol = "POF";
uint8 private _buyTaxRate = 1;
uint8 private _sellTaxRate = 2;
uint16 private _taxSharesMarketing = 10;
uint16 private _taxSharesDevelopment = 0;
uint16 private _taxSharesBurn = 0;
uint16 private _taxSharesLP = 0;
uint16 private _totalTaxShares = _taxSharesMarketing + _taxSharesDevelopment + _taxSharesBurn + _taxSharesLP;
address payable private _walletMarketing = payable(0x93602BCE58A1dd2AeBe30c0F0d840d1bC2443612);
address payable private _walletDevelopment = payable(0x09c40F32890805a99392819c02Eb5860b71825C0);
uint256 private _maxTxAmount = _totalSupply;
uint256 private _maxWalletAmount = _totalSupply;
uint256 private _taxSwapMin = _totalSupply * 10 / 100000;
uint256 private _taxSwapMax = _totalSupply * 99 / 100000;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _noFees;
mapping (address => bool) private _noLimits;
address constant private _burnWallet = address(0);
address private _lpOwner;
address private constant _swapRouterAddress = address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
IUniswapV2Router02 private _primarySwapRouter = IUniswapV2Router02(_swapRouterAddress);
address private _primaryLP;
mapping (address => bool) private _isLP;
bool private _tradingOpen;
bool private _inTaxSwap = false;
modifier lockTaxSwap { _inTaxSwap = true; _; _inTaxSwap = false; }
event TokensAirdropped(uint256 totalWallets, uint256 totalTokens);
event TokensBurned(address indexed burnedByWallet, uint256 tokenAmount);
constructor() Auth(msg.sender) {
_lpOwner = msg.sender;
_balances[address(this)] = 10_000_000 * (10 ** _decimals);
emit Transfer(address(0), address(this), _balances[address(this)]);
_balances[_owner] = _totalSupply - _balances[address(this)];
emit Transfer(address(0), _owner, _balances[_owner]);
_noFees[_owner] = true;
_noFees[address(this)] = true;
_noFees[_swapRouterAddress] = true;
_noFees[_walletMarketing] = true;
_noFees[_walletDevelopment] = true;
_noFees[_burnWallet] = true;
_noLimits[_owner] = true;
_noLimits[address(this)] = true;
_noLimits[_swapRouterAddress] = true;
_noLimits[_walletMarketing] = true;
_noLimits[_walletDevelopment] = true;
_noLimits[_burnWallet] = true;
}
receive() external payable {}
function totalSupply() external pure override returns (uint256) { return _totalSupply; }
function decimals() external pure override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
require(_checkTradingOpen(msg.sender), "Trading not open");
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
require(_checkTradingOpen(sender), "Trading not open");
if(_allowances[sender][msg.sender] != type(uint256).max){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
}
return _transferFrom(sender, recipient, amount);
}
function openTrading() external onlyOwner {
require(!_tradingOpen, "trading already open");
_openTrading();
}
function _approveRouter(uint256 _tokenAmount) internal {
if ( _allowances[address(this)][_swapRouterAddress] < _tokenAmount ) {
_allowances[address(this)][_swapRouterAddress] = type(uint256).max;
emit Approval(address(this), _swapRouterAddress, type(uint256).max);
}
}
function addInitialLiquidity() external onlyOwner lockTaxSwap {
require(_primaryLP == address(0), "LP exists");
require(address(this).balance>0, "No ETH in contract");
require(_balances[address(this)]>0, "No tokens in contract");
_primaryLP = IUniswapV2Factory(_primarySwapRouter.factory()).createPair(address(this), _primarySwapRouter.WETH());
_addLiquidity(_balances[address(this)], address(this).balance, false);
_isLP[_primaryLP] = true;
}
function _addLiquidity(uint256 _tokenAmount, uint256 _ethAmountWei, bool autoburn) internal {
address lpTokenRecipient = _lpOwner;
if ( autoburn ) { lpTokenRecipient = address(0); }
_approveRouter(_tokenAmount);
_primarySwapRouter.addLiquidityETH{value: _ethAmountWei} ( address(this), _tokenAmount, 0, 0, lpTokenRecipient, block.timestamp );
}
function _openTrading() internal {
_maxTxAmount = _totalSupply * 1 / 100;
_maxWalletAmount = _totalSupply * 1 / 100;
_tradingOpen = true;
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(sender != address(0), "No transfers from Zero wallet");
if (!_tradingOpen) { require(_noFees[sender] && _noLimits[sender], "Trading not open"); }
if ( !_inTaxSwap && _isLP[recipient] ) { _swapTaxAndLiquify(); }
if ( sender != address(this) && recipient != address(this) && sender != _owner ) { require(_checkLimits(sender, recipient, amount), "TX exceeds limits"); }
uint256 _taxAmount = _calculateTax(sender, recipient, amount);
uint256 _transferAmount = amount - _taxAmount;
_balances[sender] = _balances[sender] - amount;
if ( _taxAmount > 0 ) { _balances[address(this)] = _balances[address(this)] + _taxAmount; }
_balances[recipient] = _balances[recipient] + _transferAmount;
emit Transfer(sender, recipient, amount);
return true;
}
function _checkLimits(address sender, address recipient, uint256 transferAmount) internal view returns (bool) {
bool limitCheckPassed = true;
if ( _tradingOpen && !_noLimits[sender] && !_noLimits[recipient] ) {
if ( transferAmount > _maxTxAmount ) { limitCheckPassed = false; }
else if ( !_isLP[recipient] && (_balances[recipient] + transferAmount > _maxWalletAmount) ) { limitCheckPassed = false; }
}
return limitCheckPassed;
}
function _checkTradingOpen(address sender) private view returns (bool){
bool checkResult = false;
if ( _tradingOpen ) { checkResult = true; }
else if (_noFees[sender] && _noLimits[sender]) { checkResult = true; }
return checkResult;
}
function _calculateTax(address sender, address recipient, uint256 amount) internal view returns (uint256) {
uint256 taxAmount;
if ( !_tradingOpen || _noFees[sender] || _noFees[recipient] ) { taxAmount = 0; }
else if ( _isLP[sender] ) { taxAmount = amount * _buyTaxRate / 100; }
else if ( _isLP[recipient] ) { taxAmount = amount * _sellTaxRate / 100; }
return taxAmount;
}
function getExemptions(address wallet) external view returns (bool noFees, bool noLimits) {
return ( _noFees[wallet], _noLimits[wallet] );
}
function setExemptions(address wallet, bool noFees, bool noLimits) external onlyOwner {
if (noLimits || noFees) { require(!_isLP[wallet], "Cannot exempt LP"); }
_noFees[ wallet ] = noFees;
_noLimits[ wallet ] = noLimits;
}
function setExtraLP(address lpContractAddress, bool isLiquidityPool) external onlyOwner {
require(lpContractAddress != _primaryLP, "Cannot change the primary LP");
_isLP[lpContractAddress] = isLiquidityPool;
if (isLiquidityPool) {
_noFees[lpContractAddress] = false;
_noLimits[lpContractAddress] = false;
}
}
function isLP(address wallet) external view returns (bool) {
return _isLP[wallet];
}
function getTaxInfo() external view returns (uint8 buyTax, uint8 sellTax, uint16 sharesMarketing, uint16 sharesDevelopment, uint16 sharesLP, uint16 sharesTokenBurn ) {
return ( _buyTaxRate, _sellTaxRate, _taxSharesMarketing, _taxSharesDevelopment, _taxSharesLP, _taxSharesBurn);
}
function setTaxRates(uint8 newBuyTax, uint8 newSellTax) external onlyOwner {
require(newBuyTax + newSellTax <= 95, "Roundtrip too high");
_buyTaxRate = newBuyTax;
_sellTaxRate = newSellTax;
}
function setTaxDistribution(uint16 sharesTokenBurn, uint16 sharesAutoLP, uint16 sharesMarketing, uint16 sharesDevelopment) external onlyOwner {
_taxSharesLP = sharesAutoLP;
_taxSharesMarketing = sharesMarketing;
_taxSharesDevelopment = sharesDevelopment;
_totalTaxShares = sharesTokenBurn + sharesAutoLP + sharesMarketing + sharesDevelopment;
}
function getAddresses() external view returns (address owner, address primaryLP, address marketing, address development, address LPowner ) {
return ( _owner, _primaryLP, _walletMarketing, _walletDevelopment, _lpOwner);
}
function setTaxWallets(address newMarketing, address newDevelopment, address newLpOwner) external onlyOwner {
require(!_isLP[newMarketing] && !_isLP[newDevelopment] && !_isLP[newLpOwner], "LP cannot be tax wallet");
_walletMarketing = payable(newMarketing);
_walletDevelopment = payable(newDevelopment);
_lpOwner = newLpOwner;
_noFees[newMarketing] = true;
_noFees[newDevelopment] = true;
_noLimits[newMarketing] = true;
_noLimits[newDevelopment] = true;
}
function getLimitsInfo() external view returns (uint256 maxTX, uint256 maxWallet, uint256 taxSwapMin, uint256 taxSwapMax ) {
return ( _maxTxAmount, _maxWalletAmount, _taxSwapMin, _taxSwapMax);
}
function increaseLimits(uint16 maxTxAmtPermile, uint16 maxWalletAmtPermile) external onlyOwner {
uint256 newTxAmt = _totalSupply * maxTxAmtPermile / 1000 + 1;
require(newTxAmt >= _maxTxAmount, "tx limit too low");
_maxTxAmount = newTxAmt;
uint256 newWalletAmt = _totalSupply * maxWalletAmtPermile / 1000 + 1;
require(newWalletAmt >= _maxWalletAmount, "wallet limit too low");
_maxWalletAmount = newWalletAmt;
}
function setTaxSwapLimits(uint32 minValue, uint32 minDivider, uint32 maxValue, uint32 maxDivider) external onlyOwner {
_taxSwapMin = _totalSupply * minValue / minDivider;
_taxSwapMax = _totalSupply * maxValue / maxDivider;
require(_taxSwapMax>=_taxSwapMin, "MinMax error");
require(_taxSwapMax>_totalSupply / 100000, "Upper threshold too low");
require(_taxSwapMax<_totalSupply / 100, "Upper threshold too high");
}
function _burnTokens(address fromWallet, uint256 amount) private {
if ( amount > 0 ) {
_balances[fromWallet] -= amount;
_balances[_burnWallet] += amount;
emit Transfer(fromWallet, _burnWallet, amount);
}
}
function _swapTaxAndLiquify() private lockTaxSwap {
uint256 _taxTokensAvailable = balanceOf(address(this));
if ( _taxTokensAvailable >= _taxSwapMin && _tradingOpen ) {
if ( _taxTokensAvailable >= _taxSwapMax ) { _taxTokensAvailable = _taxSwapMax; }
uint256 _tokensForLP = _taxTokensAvailable * _taxSharesLP / _totalTaxShares / 2;
uint256 _tokensToBurn = _taxTokensAvailable * _taxSharesBurn / _totalTaxShares;
_burnTokens(address(this), _tokensToBurn);
uint256 _tokensToSwap = _taxTokensAvailable - _tokensForLP - _tokensToBurn;
if( _tokensToSwap > 10**_decimals ) {
uint256 _ethPreSwap = address(this).balance;
_swapTaxTokensForEth(_tokensToSwap);
uint256 _ethSwapped = address(this).balance - _ethPreSwap;
if ( _taxSharesLP > 0 ) {
uint256 _ethWeiAmount = _ethSwapped * _taxSharesLP / _totalTaxShares ;
_approveRouter(_tokensForLP);
_addLiquidity(_tokensForLP, _ethWeiAmount, false);
}
}
uint256 _contractETHBalance = address(this).balance;
if(_contractETHBalance > 0) { _distributeTaxEth(_contractETHBalance); }
}
}
function _swapTaxTokensForEth(uint256 tokenAmount) private {
_approveRouter(tokenAmount);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _primarySwapRouter.WETH();
_primarySwapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp);
}
function _distributeTaxEth(uint256 amount) private {
uint16 _taxShareTotal = _taxSharesMarketing + _taxSharesDevelopment;
if (_taxShareTotal > 0) {
uint256 marketingAmount = amount * _taxSharesMarketing / _taxShareTotal;
uint256 developmentAmount = amount * _taxSharesDevelopment / _taxShareTotal;
if ( marketingAmount > 0 ) { _walletMarketing.transfer(marketingAmount); }
if ( developmentAmount > 0 ) { _walletDevelopment.transfer(developmentAmount); }
}
}
function manualTaxSwapAndSend(bool swapTokens, bool sendEth) external onlyOwner {
if (swapTokens) {
uint256 taxTokenBalance = balanceOf(address(this));
require(taxTokenBalance > 0, "No tokens");
_swapTaxTokensForEth(taxTokenBalance);
}
if (sendEth) {
uint256 ethBalance = address(this).balance;
require(ethBalance > 0, "No tokens");
_distributeTaxEth(address(this).balance);
}
}
function burnTokens(uint256 amount) external {
uint256 _tokensAvailable = balanceOf(msg.sender);
require(amount <= _tokensAvailable, "Token balance too low");
_burnTokens(msg.sender, amount);
emit TokensBurned(msg.sender, amount);
}
function airdrop(address[] calldata addresses, uint256[] calldata tokenAmounts) external onlyOwner {
require(addresses.length <= 250,"Wallet count over 250 (gas risk)");
require(addresses.length == tokenAmounts.length,"Address and token amount list mismach");
uint256 airdropTotal = 0;
for(uint i=0; i < addresses.length; i++){
airdropTotal += (tokenAmounts[i] * 10**_decimals);
}
require(_balances[msg.sender] >= airdropTotal, "Token balance lower than airdrop total");
for(uint i=0; i < addresses.length; i++){
_balances[msg.sender] -= (tokenAmounts[i] * 10**_decimals);
_balances[addresses[i]] += (tokenAmounts[i] * 10**_decimals);
emit Transfer(msg.sender, addresses[i], (tokenAmounts[i] * 10**_decimals) );
}
emit TokensAirdropped(addresses.length, airdropTotal);
}
}