Contract Source Code:
File 1 of 1 : AITECH
// SPDX-License-Identifier: MIT
/**
Website: https://www.solidusai.tech
Telegram: https://t.me/techai_eth
Twitter: https://twitter.com/techai_eth
Dapp: https://app.solidusai.tech
*/
pragma solidity 0.8.21;
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 IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address uniswapPair);
}
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 IUniswapV2Router {
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;
}
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 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);
}
contract AITECH is IERC20, Ownable {
using SafeMath for uint256;
uint8 constant private _decimals = 9;
uint256 private _totalSupply = 10 ** 9 * (10 ** _decimals);
bool public isTaxSwapEnabled = true;
uint256 public swapThreshold = _totalSupply / 100000; // 0.1%
bool private swappingInProgress;
address private _routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address private _deadAddress = 0x000000000000000000000000000000000000dEaD;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _noTax;
mapping (address => bool) private _noMaxTx;
string constant private _name = "AITECH";
string constant private _symbol = "AITECH";
uint256 public maxTxAmount = (_totalSupply * 20) / 1000;
address public teamAddress;
IUniswapV2Router public uniswapRouter;
address public uniswapPair;
uint256 private _lpTax = 0;
uint256 private _marketingTax = 23;
uint256 private _totalTax = _lpTax + _marketingTax;
uint256 private _denominators = 100;
modifier lockSwap() { swappingInProgress = true; _; swappingInProgress = false; }
constructor (address AITechAddress) Ownable(msg.sender) {
uniswapRouter = IUniswapV2Router(_routerAddress);
uniswapPair = IUniswapV2Factory(uniswapRouter.factory()).createPair(uniswapRouter.WETH(), address(this));
_allowances[address(this)][address(uniswapRouter)] = type(uint256).max;
address _owner = owner;
teamAddress = AITechAddress;
_noTax[teamAddress] = true;
_noMaxTx[_owner] = true;
_noMaxTx[teamAddress] = true;
_noMaxTx[_deadAddress] = 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 _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
if(swappingInProgress){ return _transferBasic(sender, recipient, amount); }
if (recipient != uniswapPair && recipient != _deadAddress) {
require(_noMaxTx[recipient] || _balances[recipient] + amount <= maxTxAmount, "Transfer amount exceeds the bag size.");
}
if(shouldSwapBack(sender, recipient, amount)){
swapBackAITech();
}
bool shouldTax = shouldExemptFees(sender);
if (shouldTax) {
_balances[recipient] = _balances[recipient].add(transferFee(sender, amount));
} else {
_balances[recipient] = _balances[recipient].add(amount);
}
emit Transfer(sender, recipient, amount);
return true;
}
function setAITechWalletSize(uint256 percent_) external onlyOwner {
maxTxAmount = (_totalSupply * percent_ ) / 1000;
}
function updateAITechTax(uint256 lpFee_, uint256 devFee_) external onlyOwner {
_lpTax = lpFee_;
_marketingTax = devFee_;
_totalTax = _lpTax + _marketingTax;
}
function isSell(address recipient) private returns (bool){
return recipient == uniswapPair;
}
function shouldAITechSwapBack() internal view returns (bool) {
return !swappingInProgress
&& isTaxSwapEnabled
&& _balances[address(this)] >= swapThreshold;
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFee(address sender, uint256 amount) internal returns (uint256) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 feeTokens = amount.mul(_totalTax).div(_denominators);
bool hasNoFee = sender == owner;
if (hasNoFee) {
feeTokens = 0;
}
_balances[address(this)] = _balances[address(this)].add(feeTokens);
emit Transfer(sender, address(this), feeTokens);
return amount.sub(feeTokens);
}
function _transferBasic(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 shouldExemptFees(address sender) internal view returns (bool) {
return !_noTax[sender];
}
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 approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function shouldSwapBack(address sender, address recipient, uint256 amount) private returns (bool) {
return shouldAITechSwapBack() &&
shouldExemptFees(sender) &&
isSell(recipient) &&
amount > swapThreshold;
}
function swapBackAITech() internal lockSwap {
uint256 contractTokenBalance = balanceOf(address(this));
uint256 tokensToLp = contractTokenBalance.mul(_lpTax).div(_totalTax).div(2);
uint256 amountToSwap = contractTokenBalance.sub(tokensToLp);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapRouter.WETH();
uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance;
uint256 totalFeeTokens = _totalTax.sub(_lpTax.div(2));
uint256 ethToLp = amountETH.mul(_lpTax).div(totalFeeTokens).div(2);
uint256 ethToMarketing = amountETH.mul(_marketingTax).div(totalFeeTokens);
payable(teamAddress).transfer(ethToMarketing);
if(tokensToLp > 0){
uniswapRouter.addLiquidityETH{value: ethToLp}(
address(this),
tokensToLp,
0,
0,
teamAddress,
block.timestamp
);
}
}
}