creation_sourcecode: /**
  //SPDX-License-Identifier: MIT
   *Submitted for verification at Etherscan.io on 2021-12-22
  */
  
  pragma solidity ^0.8.4;
  
  contract Token {
      mapping(address => uint) private balances;
      mapping(address => mapping(address => uint)) private allowed;
      uint public totalSupply;
      string public name;
      string public symbol;
      uint public decimals;
      
      event Transfer(address indexed from, address indexed to, uint value);
      event Approval(address indexed owner, address indexed spender, uint value);
      
      constructor(string memory _name, string memory _symbol, uint _dec, uint _supply, address _owner) {
          name = _name;
          symbol = _symbol;
          decimals = _dec;
          totalSupply = _supply * 10 ** decimals;
          balances[_owner] = totalSupply;
          emit Transfer(address(0), _owner, totalSupply);
      }
      
      function balanceOf(address owner) public view returns(uint) {
          return balances[owner];
      }
      
      function transfer(address to, uint value) public returns(bool) {
          require(balances[msg.sender] >= value, 'balance too low');
          balances[to] += value;
          balances[msg.sender] -= value;
          emit Transfer(msg.sender, to, value);
          return true;
      }
      
      function transferFrom(address from, address to, uint value) public returns(bool) {
          require(balances[from] >= value, 'balance too low');
          require(allowed[from][msg.sender] >= value, 'allowance too low');
          balances[to] += value;
          balances[from] -= value;
          allowed[from][msg.sender] -=value;
          emit Transfer(from, to, value);
          return true;   
      }
      
      function approve(address spender, uint value) public returns (bool) {
          allowed[msg.sender][spender] = value;
          emit Approval(msg.sender, spender, value);
          return true;   
      }
      
      function allowance(address owner, address spender) public view returns (uint) {
          return allowed[owner][spender];
      }
      
  }