Contract Source Code:
File 1 of 1 : Crisis
// SPDX-License-Identifier: UNLICENSED
// https://t.me/crisisisrealerc
pragma solidity 0.8.21;
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 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 Ownr {
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() external onlyOwner {
owner = address(0);
}
}
contract Crisis is ERC20, Ownr {
using SafeMath for uint256;
string public constant name = "crisis is real";
string public constant symbol = "CRISIS";
uint8 public constant decimals = 18;
uint256 public constant totalSupply = 999 * 10**decimals;
uint256 public _maxWalletAmount = totalSupply / 50;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) _allowances;
mapping (address => bool) public _isWalletLimitExmpt;
address public uniswapPair;
bool public tradingLive = false;
address constant DEAD = 0x000000000000000000000000000000000000dEaD;
address constant ZERO = 0x0000000000000000000000000000000000000000;
constructor () Ownr(msg.sender) {
_isWalletLimitExmpt[msg.sender] = true;
_isWalletLimitExmpt[address(this)] = true;
_isWalletLimitExmpt[DEAD] = true;
balanceOf[msg.sender] = totalSupply;
emit Transfer(address(0), msg.sender, totalSupply);
}
function getOwner() external view override returns (address) { return owner; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function enableTrading(address _pair) external onlyOwner {
require(!tradingLive);
tradingLive = true;
uniswapPair = _pair;
}
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 setMaxWalletPercent(uint256 __maxWalletAmount) external onlyOwner {
require(_maxWalletAmount >= 2, "Cant set max wallet below 2%");
_maxWalletAmount = (totalSupply * __maxWalletAmount ) / 100;
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
if (!_isWalletLimitExmpt[sender] && !_isWalletLimitExmpt[recipient] && recipient != uniswapPair) {
require((balanceOf[recipient] + amount) <= _maxWalletAmount,"Max Wallet Reached");
require(tradingLive);
}
balanceOf[sender] = balanceOf[sender].sub(amount, "Insufficient Balance");
balanceOf[recipient] = balanceOf[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function recoverEth() external onlyOwner {
payable(msg.sender).transfer(address(this).balance);
}
function getCirculatingSupply() public view returns (uint256) {
return (totalSupply - balanceOf[DEAD] - balanceOf[ZERO]);
}
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
receive() external payable { }
}