Contract Source Code:
File 1 of 1 : PEGPEPE
/**
Website : https://pegpepe.vip/
Telegram : https://t.me/PeggedPepe
Twitter : https://twitter.com/PeggedPepe
**/
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface 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);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) internal _balances;
mapping(address => mapping(address => uint256)) internal _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The defaut value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
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;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
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;
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `amount`.
*
* Does not update the allowance amount in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Might emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
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");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
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");
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
/** This function will be used to generate the total supply
* while deploying the contract
*
* This function can never be called again after deploying contract
*/
function _tokengeneration(address account, uint256 amount) internal virtual {
_totalSupply = amount;
_balances[account] = amount;
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0xdead), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
// _balances[address(0xdead)] += amount;
}
emit Transfer(account, address(0xdead), amount);
_afterTokenTransfer(account, address(0xdead), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
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);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
library Address {
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");
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
/**
* @dev Extension of {ERC20} that allows token holders to destroy both their own
* tokens and those that they have an allowance for, in a way that can be
* recognized off-chain (via event analysis).
*/
abstract contract ERC20Burnable is Context, ERC20 {
/**
* @dev Destroys `amount` tokens from the caller.
*
* See {ERC20-_burn}.
*/
function burn(uint256 amount) public virtual {
_burn(_msgSender(), amount);
}
/**
* @dev Destroys `amount` tokens from `account`, deducting from the caller's
* allowance.
*
* See {ERC20-_burn} and {ERC20-allowance}.
*
* Requirements:
*
* - the caller must have allowance for ``accounts``'s tokens of at least
* `amount`.
*/
function burnFrom(address account, uint256 amount) public virtual {
_spendAllowance(account, _msgSender(), amount);
_burn(account, amount);
}
}
contract PEGPEPE is ERC20, ERC20Burnable, Ownable {
using Address for address payable;
IRouter public uniswapRouter;
address public uniswapV2Pair;
bool private _interlock;
bool private _tradeOpen;
bool public providingLiquidity = true;
uint256 public launchedAtBlock;
uint256 public tokenLiquidityThreshold = 420_000_000 * 10**decimals();
uint256 public maxBuyLimit = 8_400_000_000 * 10**decimals();
uint256 public maxSellLimit = 8_400_000_000 * 10**decimals();
uint256 public maxWalletLimit = 8_400_000_000 * 10**decimals();
address public marketingWallet = 0xFAd957292795AF5649546e70B44b549BE72D0588;
address public constant deadWallet = 0x000000000000000000000000000000000000dEaD;
struct Taxes {
uint256 marketing;
uint256 liquidity;
uint256 burn;
}
Taxes public taxes = Taxes(20, 0, 0);
Taxes public sellTaxes = Taxes(40, 0, 0);
Taxes public transferTaxes = Taxes(0, 0, 0);
mapping(address => bool) public exemptFee;
mapping(address => bool) public blacklisted;
event LimitRemoved(uint256 maxBuy, uint256 maxSell, uint256 maxWallet);
event BuyTaxesUpdated(uint256 marketing, uint256 liquidity, uint256 burn);
event SellTaxesUpdated(uint256 marketing, uint256 liquidity, uint256 burn);
event TransferTaxesUpdated(uint256 marketing, uint256 liquidity, uint256 burn);
modifier lockTheSwap() {
if (!_interlock) {
_interlock = true;
_;
_interlock = false;
}
}
constructor() ERC20("PEGGED PEPE", "PEGPE") {
_tokengeneration(marketingWallet, 420_000_000_000 * 10**decimals());
IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // uniswap V2
address _pair = IFactory(_router.factory()).createPair(address(this), _router.WETH());
uniswapRouter = _router;
uniswapV2Pair = _pair;
exemptFee[address(this)] = true;
exemptFee[deadWallet] = true;
exemptFee[msg.sender] = true;
exemptFee[marketingWallet] = true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
override
returns (bool)
{
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
override
returns (bool)
{
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal override {
require(amount > 0, "Transfer amount must be greater than zero");
require(!blacklisted[sender] && !blacklisted[recipient], "Error: Blacklsited!");
if (!exemptFee[sender] && !exemptFee[recipient]) {
require(_tradeOpen, "Trading not enabled");
}
if (sender == uniswapV2Pair && block.number < launchedAtBlock + 2) {
blacklisted[recipient] = true;
}
if (sender == uniswapV2Pair && !exemptFee[recipient] && !_interlock) {
require(amount <= maxBuyLimit, "You are exceeding maxBuyLimit");
require(
balanceOf(recipient) + amount <= maxWalletLimit,
"You are exceeding maxWalletLimit"
);
}
if (
sender != uniswapV2Pair && !exemptFee[recipient] && !exemptFee[sender] && !_interlock
) {
require(amount <= maxSellLimit, "You are exceeding maxSellLimit");
if (recipient != uniswapV2Pair) {
require(
balanceOf(recipient) + amount <= maxWalletLimit,
"You are exceeding maxWalletLimit"
);
}
}
uint256 feeswap;
uint256 feesum;
uint256 fee;
uint256 feeBurn;
uint256 burnAmount;
Taxes memory currentTaxes;
//set fee to zero if fees in contract are handled or exempted
if (_interlock || exemptFee[sender] || exemptFee[recipient])
fee = 0;
//calculate fee
else if (recipient == uniswapV2Pair) {
feeswap =
sellTaxes.liquidity +
sellTaxes.marketing;
feesum = feeswap;
feeBurn = sellTaxes.burn;
currentTaxes = sellTaxes;
} else if (sender == uniswapV2Pair) {
feeswap =
taxes.liquidity +
taxes.marketing;
feesum = feeswap;
feeBurn = taxes.burn;
currentTaxes = taxes;
} else {
feeswap =
transferTaxes.liquidity +
transferTaxes.marketing ;
feesum = feeswap;
feeBurn = transferTaxes.burn;
currentTaxes = transferTaxes;
}
fee = (amount * feesum) / 100;
burnAmount = (amount * feeBurn) / 100;
//send fees if threshold has been reached
//don't do this on buys, breaks swap
if (providingLiquidity && sender != uniswapV2Pair) Liquify(feeswap, currentTaxes);
//rest to recipient
super._transfer(sender, recipient, amount - (fee + burnAmount));
// burn the tokens
if(burnAmount > 0) {
super._burn(sender, burnAmount);
}
if (fee > 0) {
//send the fee to the contract
if (feeswap > 0) {
uint256 feeAmount = (amount * feeswap) / 100;
super._transfer(sender, address(this), feeAmount);
}
}
}
function Liquify(uint256 feeswap, Taxes memory swapTaxes) private lockTheSwap {
if(feeswap == 0){
return;
}
uint256 contractBalance = balanceOf(address(this));
if (contractBalance >= tokenLiquidityThreshold) {
if (tokenLiquidityThreshold > 1) {
contractBalance = tokenLiquidityThreshold;
}
// Split the contract balance into halves
uint256 denominator = feeswap * 2;
uint256 tokensToAddLiquidityWith = (contractBalance * swapTaxes.liquidity) /
denominator;
uint256 toSwap = contractBalance - tokensToAddLiquidityWith;
uint256 initialBalance = address(this).balance;
swapTokensForETH(toSwap);
uint256 deltaBalance = address(this).balance - initialBalance;
uint256 unitBalance = deltaBalance / (denominator - swapTaxes.liquidity);
uint256 ethToAddLiquidityWith = unitBalance * swapTaxes.liquidity;
if (ethToAddLiquidityWith > 0) {
// Add liquidity to pancake
addLiquidity(tokensToAddLiquidityWith, ethToAddLiquidityWith);
}
uint256 marketingAmt = unitBalance * 2 * swapTaxes.marketing;
if (marketingAmt > 0) {
payable(marketingWallet).sendValue(marketingAmt);
}
}
}
function swapTokensForETH(uint256 tokenAmount) private {
// generate the pancake pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapRouter.WETH();
_approve(address(this), address(uniswapRouter), tokenAmount);
// make the swap
uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapRouter), tokenAmount);
// add the liquidity
uniswapRouter.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
deadWallet,
block.timestamp
);
}
function _openTrading() external onlyOwner {
require(!_tradeOpen, "Cannot re-enable trading");
_tradeOpen = true;
launchedAtBlock = block.number;
}
function _blacklistBots(address[] memory _account, bool status) external onlyOwner {
for (uint256 i = 0; i < _account.length; i++) {
blacklisted[_account[i]] = status;
}
}
function updateLiquidityTreshhold(uint256 new_amount) external onlyOwner {
//update the treshhold
require(new_amount > 0, "Error: Can't be zero!");
tokenLiquidityThreshold = new_amount * 10**decimals();
}
function updateMarketingTax(uint256 _Buymarketing, uint256 _Sellmarketing) external onlyOwner {
require (_Buymarketing <= 20);
require (_Sellmarketing <= 99);
taxes = Taxes(_Buymarketing, 0, 0);
sellTaxes = Taxes(_Sellmarketing, 0, 0);
}
function sendETHToFee(uint256 amount) private {
payable(marketingWallet).transfer(amount);
}
function manualSwap() external onlyOwner {
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForETH(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
function rescueERC20(address tokenAdd, uint256 amount) external onlyOwner {
IERC20(tokenAdd).transfer(marketingWallet, amount);
}
// fallbacks
receive() external payable {}
}