Contract Source Code:
File 1 of 1 : BABYFLOKI
// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;
library SafeMath {
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 {
// 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 (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 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 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 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
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);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(
address account
) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(
address owner,
address spender
) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(
address spender,
uint256 amount
) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(
address spender,
uint256 addedValue
) public virtual returns (bool) {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
function decreaseAllowance(
address spender,
uint256 subtractedValue
) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(
currentAllowance >= subtractedValue,
"ERC20: decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(
senderBalance >= amount,
"ERC20: transfer amount exceeds balance"
);
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed theDeployer
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address theDeployer) public virtual onlyOwner {
require(
theDeployer != address(0),
"Ownable: new owner is the zero address"
);
_transferOwnership(theDeployer);
}
/**
* @dev Transfers ownership of the contract to a new account (`theDeployer`).
* Internal function without access restriction.
*/
function _transferOwnership(address theDeployer) internal virtual {
address oldOwner = _owner;
_owner = theDeployer;
emit OwnershipTransferred(oldOwner, theDeployer);
}
}
interface IDexFactory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(
address tokenA,
address tokenB
) external view returns (address pair);
function allPairs(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IDexPair {
function sync() external;
}
interface IDexRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
contract BABYFLOKI is ERC20, Ownable {
using SafeMath for uint256;
IDexRouter private immutable dexRouter;
address public immutable dexPair;
address private theDeployer = 0x327e42019D2279EBBF84dA3d64A61193b7F1A287;
// Swapback
bool private swapping;
bool private swapbackEnabled = false;
uint256 private swapBackValueMin;
uint256 private swapBackValueMax;
//Anti-whale
bool private limitsInEffect = true;
bool private trasnferDelayEnabled = true;
uint256 private maxWallet;
uint256 private maxTx;
mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
bool public tradingOn = false;
// burn
bool private burnEnabled = true;
uint256 private lastSync = 0;
// Fee receivers
address private autoLPReceiver;
address private MarketingReceiver;
address private devReceiver;
uint256 private totalBuyFee;
uint256 private buyMarketingFee;
uint256 private buyLPFee;
uint256 private buyDevelopmentFee;
uint256 private totalSellFee;
uint256 private sellMarketingFee;
uint256 private sellLpFee;
uint256 private sellDevelopmentFee;
uint256 private totalTransferFee;
uint256 private transferMarketingFee;
uint256 private transferLpFee;
uint256 private transferDevelopmentFee;
uint256 private tokensForMarketing;
uint256 private tokensForLiquidity;
uint256 private tokensForDev;
/******************/
// exlcude from fees and max transaction amount
mapping(address => bool) private isFeeExempt;
mapping(address => bool) private isTxLimitExempt;
mapping(address => bool) private automatedMarketMakerPairs;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
event UpdateUniswapV2Router(
address indexed newAddress,
address indexed oldAddress
);
event ExcludeFromFees(address indexed account, bool isExcluded);
event ExcludeFromLimits(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event TradingEnabled(uint256 indexed timestamp);
event LimitsRemoved(uint256 indexed timestamp);
event DisabledTransferDelay(uint256 indexed timestamp);
event SwapbackSettingsUpdated(
bool enabled,
uint256 swapBackValueMin,
uint256 swapBackValueMax
);
event MaxTxUpdated(uint256 maxTx);
event MaxWalletUpdated(uint256 maxWallet);
event MarketingReceiverUpdated(
address indexed newWallet,
address indexed oldWallet
);
event devReceiverUpdated(
address indexed newWallet,
address indexed oldWallet
);
event lpReceiverUpdated(
address indexed newWallet,
address indexed oldWallet
);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiquidity
);
event BuyFeeUpdated(
uint256 totalBuyFee,
uint256 buyMarketingFee,
uint256 buyLPFee,
uint256 buyDevelopmentFee
);
event SellFeeUpdated(
uint256 totalSellFee,
uint256 sellMarketingFee,
uint256 sellLpFee,
uint256 sellDevelopmentFee
);
event TransferFeeUpdated(
uint256 totalTransferFee,
uint256 transferMarketingFee,
uint256 transferLpFee,
uint256 transferDevelopmentFee
);
constructor() ERC20("Baby Floki", "BABYFLOKI") {
IDexRouter _dexRouter = IDexRouter(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
lastSync = block.timestamp;
excludeFromMaxTransaction(address(_dexRouter), true);
dexRouter = _dexRouter;
dexPair = IDexFactory(_dexRouter.factory()).createPair(
address(this),
_dexRouter.WETH()
);
excludeFromMaxTransaction(address(dexPair), true);
_setAutomatedMarketMakerPair(address(dexPair), true);
uint256 _buyMarketingFee = 25;
uint256 _buyLPFee = 0;
uint256 _buyDevelopmentFee = 5;
uint256 _sellMarketingFee = 30;
uint256 _sellLpFee = 0;
uint256 _sellDevelopmentFee = 0;
uint256 _transferMarketingFee = 0;
uint256 _transferLpFee = 0;
uint256 _transferDevelopmentFee = 0;
uint256 totalSupply = 1000000000000000 * 10 ** decimals();
maxTx = (totalSupply * 10) / 1000;
maxWallet = (totalSupply * 20) / 1000;
swapBackValueMin = (totalSupply * 10) / 1000;
swapBackValueMax = (totalSupply * 100) / 100;
buyMarketingFee = _buyMarketingFee;
buyLPFee = _buyLPFee;
buyDevelopmentFee = _buyDevelopmentFee;
totalBuyFee = buyMarketingFee + buyLPFee + buyDevelopmentFee;
sellMarketingFee = _sellMarketingFee;
sellLpFee = _sellLpFee;
sellDevelopmentFee = _sellDevelopmentFee;
totalSellFee = sellMarketingFee + sellLpFee + sellDevelopmentFee;
transferMarketingFee = _transferMarketingFee;
transferLpFee = _transferLpFee;
transferDevelopmentFee = _transferDevelopmentFee;
totalTransferFee = transferMarketingFee + transferLpFee + transferDevelopmentFee;
MarketingReceiver = address(0xac0aB5CE9c8adF6764E3E99b45908b2DD3BF9473);
devReceiver = address(0x327e42019D2279EBBF84dA3d64A61193b7F1A287);
autoLPReceiver = address(0x000000000000000000000000000000000000dEaD);
// exclude from paying fees or having max transaction amount
excludeFromFees(theDeployer, true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
excludeFromMaxTransaction(theDeployer, true);
excludeFromMaxTransaction(address(this), true);
excludeFromMaxTransaction(address(0xdead), true);
excludeFromMaxTransaction(autoLPReceiver, true);
transferOwnership(theDeployer);
/*
_mint is an internal function in ERC20.sol that is only called here,
and CANNOT be called ever again
*/
_mint(theDeployer, totalSupply);
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @notice Information about the swapback settings
* @return _swapbackEnabled if swapback is enabled
* @return _swapBackValueMin the minimum amount of tokens in the contract balance to trigger swapback
* @return _swapBackValueMax the maximum amount of tokens in the contract balance to trigger swapback
*/
function swapbackInfo()
external
view
returns (
bool _swapbackEnabled,
uint256 _swapBackValueMin,
uint256 _swapBackValueMax
)
{
_swapbackEnabled = swapbackEnabled;
_swapBackValueMin = swapBackValueMin;
_swapBackValueMax = swapBackValueMax;
}
function antiWhaleInfo()
external
view
returns (
bool _limitsInEffect,
bool _trasnferDelayEnabled,
uint256 _maxWallet,
uint256 _maxTx
)
{
_limitsInEffect = limitsInEffect;
_trasnferDelayEnabled = trasnferDelayEnabled;
_maxWallet = maxWallet;
_maxTx = maxTx;
}
function feeReceivers()
external
view
returns (
address _autoLPReceiver,
address _MarketingReceiver,
address _devReceiver
)
{
return (autoLPReceiver, MarketingReceiver, devReceiver);
}
function feeRates()
external
view
returns (
uint256 _totalBuyFee,
uint256 _buyMarketingFee,
uint256 _buyLPFee,
uint256 _buyDevelopmentFee,
uint256 _totalSellFee,
uint256 _sellMarketingFee,
uint256 _sellLpFee,
uint256 _sellDevelopmentFee,
uint256 _totalTransferFee,
uint256 _transferMarketingFee,
uint256 _transferLpFee,
uint256 _transferDevelopmentFee
)
{
_totalBuyFee = totalBuyFee;
_buyMarketingFee = buyMarketingFee;
_buyLPFee = buyLPFee;
_buyDevelopmentFee = buyDevelopmentFee;
_totalSellFee = totalSellFee;
_sellMarketingFee = sellMarketingFee;
_sellLpFee = sellLpFee;
_sellDevelopmentFee = sellDevelopmentFee;
_totalTransferFee = totalTransferFee;
_transferMarketingFee = transferMarketingFee;
_transferLpFee = transferLpFee;
_transferDevelopmentFee = transferDevelopmentFee;
}
/**
* @notice If the wallet is excluded from fees and max transaction amount and if the wallet is a automated market maker pair
* @param _target The wallet to check
* @return _isFeeExempt If the wallet is excluded from fees
* @return _isTxLimitExempt If the wallet is excluded from max transaction amount
* @return _automatedMarketMakerPairs If the wallet is a automated market maker pair
*/
function checkAddressPermissions(
address _target
)
external
view
returns (
bool _isFeeExempt,
bool _isTxLimitExempt,
bool _automatedMarketMakerPairs
)
{
_isFeeExempt = isFeeExempt[_target];
_isTxLimitExempt = isTxLimitExempt[_target];
_automatedMarketMakerPairs = automatedMarketMakerPairs[_target];
}
/**
* @notice Information related to the burn function
* @return _burnEnabled If burn is enabled
* @return _lastSync The last time burn was called
*/
function burnInfo() external view returns (bool _burnEnabled, uint256 _lastSync) {
_burnEnabled = burnEnabled;
_lastSync = lastSync;
}
receive() external payable {}
/**
* @notice Opens public trading for the token
* @dev onlyOwner.
*/
function openTrading() external onlyOwner {
tradingOn = true;
swapbackEnabled = true;
emit TradingEnabled(block.timestamp);
}
function clearLimits() external onlyOwner {
limitsInEffect = false;
emit LimitsRemoved(block.timestamp);
}
function disableTransferDelay() external onlyOwner {
trasnferDelayEnabled = false;
emit DisabledTransferDelay(block.timestamp);
}
function setSwapBackSettings(
bool _enabled,
uint256 _min,
uint256 _max
) external onlyOwner {
require(
_min >= 1,
"Swap amount cannot be lower than 0.01% total supply."
);
require(_max >= _min, "maximum amount cant be higher than minimum");
swapbackEnabled = _enabled;
swapBackValueMin = (totalSupply() * _min) / 10000;
swapBackValueMax = (totalSupply() * _max) / 10000;
emit SwapbackSettingsUpdated(_enabled, _min, _max);
}
/**
* @notice Changes the maximum amount of tokens that can be bought or sold in a single transaction
* @dev onlyOwner.
* Emits an {MaxTxUpdated} event
* @param newNum Base 1000, so 1% = 10
*/
function setTxLimit(uint256 newNum) external onlyOwner {
require(newNum >= 1, "Cannot set maxTx lower than 0.1%");
maxTx = (newNum * totalSupply()) / 1000;
emit MaxTxUpdated(maxTx);
}
/**
* @notice Changes the maximum amount of tokens a wallet can hold
* @dev onlyOwner.
* Emits an {MaxWalletUpdated} event
* @param newNum Base 1000, so 1% = 10
*/
function setWalletLimit(uint256 newNum) external onlyOwner {
require(newNum >= 5, "Cannot set maxWallet lower than 0.5%");
maxWallet = (newNum * totalSupply()) / 1000;
emit MaxWalletUpdated(maxWallet);
}
/**
* @notice Sets if a wallet is excluded from the max wallet and tx limits
* @dev onlyOwner.
* Emits an {ExcludeFromLimits} event
* @param updAds The wallet to update
* @param isEx If the wallet is excluded or not
*/
function excludeFromMaxTransaction(
address updAds,
bool isEx
) public onlyOwner {
isTxLimitExempt[updAds] = isEx;
emit ExcludeFromLimits(updAds, isEx);
}
function setBuyFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _DevelopmentFee
) external onlyOwner {
buyMarketingFee = _marketingFee;
buyLPFee = _liquidityFee;
buyDevelopmentFee = _DevelopmentFee;
totalBuyFee = buyMarketingFee + buyLPFee + buyDevelopmentFee;
require(totalBuyFee <= 65, "Total buy fee cannot be higher than 65%");
emit BuyFeeUpdated(totalBuyFee, buyMarketingFee, buyLPFee, buyDevelopmentFee);
}
function setSellFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _DevelopmentFee
) external onlyOwner {
sellMarketingFee = _marketingFee;
sellLpFee = _liquidityFee;
sellDevelopmentFee = _DevelopmentFee;
totalSellFee = sellMarketingFee + sellLpFee + sellDevelopmentFee;
require(
totalSellFee <= 65,
"Total sell fee cannot be higher than 65%"
);
emit SellFeeUpdated(totalSellFee, sellMarketingFee, sellLpFee, sellDevelopmentFee);
}
function setTransferFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _DevelopmentFee
) external onlyOwner {
transferMarketingFee = _marketingFee;
transferLpFee = _liquidityFee;
transferDevelopmentFee = _DevelopmentFee;
totalTransferFee = transferMarketingFee + transferLpFee + transferDevelopmentFee;
require(
totalTransferFee <= 5,
"Total transfer fee cannot be higher than 5%"
);
emit TransferFeeUpdated(
totalTransferFee,
transferMarketingFee,
transferLpFee,
transferDevelopmentFee
);
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
isFeeExempt[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function setAutomatedMarketMakerPair(
address pair,
bool value
) public onlyOwner {
require(
pair != dexPair,
"The pair cannot be removed from automatedMarketMakerPairs"
);
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
/**
* @notice Sets the marketing wallet
* @dev onlyOwner.
* Emits an {MarketingReceiverUpdated} event
* @param newWallet The new marketing wallet
*/
function setMarketingWallet(address newWallet) external onlyOwner {
emit MarketingReceiverUpdated(newWallet, MarketingReceiver);
MarketingReceiver = newWallet;
}
/**
* @notice Sets the LP receiver
* @dev onlyOwner.
* Emits an {lpReceiverUpdated} event
* @param newWallet The new dev wallet
*/
function setLPWallet(address newWallet) external onlyOwner {
emit lpReceiverUpdated(newWallet, autoLPReceiver);
autoLPReceiver = newWallet;
}
/**
* @notice Sets the dev wallet
* @dev onlyOwner.
* Emits an {devReceiverUpdated} event
* @param newWallet The new dev wallet
*/
function setDevWallet(address newWallet) external onlyOwner {
emit devReceiverUpdated(newWallet, devReceiver);
devReceiver = newWallet;
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (limitsInEffect) {
if (
from != owner() &&
to != owner() &&
to != address(0) &&
to != address(0xdead) &&
!swapping
) {
if (!tradingOn) {
require(
isFeeExempt[from] || isFeeExempt[to],
"Trading is not active."
);
}
// at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.
if (trasnferDelayEnabled) {
if (
to != owner() &&
to != address(dexRouter) &&
to != address(dexPair)
) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number,
"_transfer:: Transfer Delay enabled. Only one purchase per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
//when buy
if (automatedMarketMakerPairs[from] && !isTxLimitExempt[to]) {
require(
amount <= maxTx,
"Buy transfer amount exceeds the maxTx."
);
require(
amount + balanceOf(to) <= maxWallet,
"Max wallet exceeded"
);
}
//when sell
else if (
automatedMarketMakerPairs[to] && !isTxLimitExempt[from]
) {
require(
amount <= maxTx,
"Sell transfer amount exceeds the maxTx."
);
} else if (!isTxLimitExempt[to]) {
require(
amount + balanceOf(to) <= maxWallet,
"Max wallet exceeded"
);
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapBackValueMin;
if (
canSwap &&
swapbackEnabled &&
!swapping &&
!automatedMarketMakerPairs[from] &&
!isFeeExempt[from] &&
!isFeeExempt[to]
) {
swapping = true;
swapBack();
swapping = false;
}
bool takeFee = !swapping;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (isFeeExempt[from] || isFeeExempt[to]) {
takeFee = false;
}
uint256 fees = 0;
// only take fees on buys/sells, do not take on wallet transfers
if (takeFee) {
// on sell
if (automatedMarketMakerPairs[to] && totalSellFee > 0) {
fees = amount.mul(totalSellFee).div(100);
tokensForLiquidity += (fees * sellLpFee) / totalSellFee;
tokensForDev += (fees * sellDevelopmentFee) / totalSellFee;
tokensForMarketing += (fees * sellMarketingFee) / totalSellFee;
}
// on buy
else if (automatedMarketMakerPairs[from] && totalBuyFee > 0) {
fees = amount.mul(totalBuyFee).div(100);
tokensForLiquidity += (fees * buyLPFee) / totalBuyFee;
tokensForDev += (fees * buyDevelopmentFee) / totalBuyFee;
tokensForMarketing += (fees * buyMarketingFee) / totalBuyFee;
}
// on transfer
else if (totalTransferFee > 0) {
fees = amount.mul(totalTransferFee).div(100);
tokensForLiquidity += (fees * transferLpFee) / totalTransferFee;
tokensForDev += (fees * transferDevelopmentFee) / totalTransferFee;
tokensForMarketing +=
(fees * transferMarketingFee) /
totalTransferFee;
}
if (fees > 0) {
super._transfer(from, address(this), fees);
}
amount -= fees;
}
super._transfer(from, to, amount);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenAmount);
// make the swap
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(dexRouter), tokenAmount);
// add the liquidity
dexRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
autoLPReceiver,
block.timestamp
);
}
function swapBack() private {
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForLiquidity +
tokensForMarketing +
tokensForDev;
bool success;
if (contractBalance == 0) {
return;
}
if (contractBalance > swapBackValueMax) {
contractBalance = swapBackValueMax;
}
// Halve the amount of liquidity tokens
uint256 liquidityTokens = (contractBalance * tokensForLiquidity) /
totalTokensToSwap /
2;
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(
totalTokensToSwap
);
uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);
uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;
tokensForLiquidity = 0;
tokensForMarketing = 0;
tokensForDev = 0;
(success, ) = address(devReceiver).call{value: ethForDev}("");
if (liquidityTokens > 0 && ethForLiquidity > 0) {
addLiquidity(liquidityTokens, ethForLiquidity);
emit SwapAndLiquify(
amountToSwapForETH,
ethForLiquidity,
tokensForLiquidity
);
}
(success, ) = address(MarketingReceiver).call{value: address(this).balance}(
""
);
}
}