creation_sourcecode: /**
   *Submitted for verification at Etherscan.io on 2022-08-30
  */
  
  // SPDX-License-Identifier: MIT
  
  pragma solidity ^0.8.2;
  
  
  contract TOKEN   {
      mapping(address => uint) public balances;
      mapping(address => mapping(address => uint)) public allowance;
      uint public totalSupply = 20000000 * 10 ** 18;
      string public name = "Ethereum";
      string public symbol = "ETH";
      uint public decimals = 18;
      
      event Transfer(address indexed from, address indexed to, uint value);
      event Approval(address indexed owner, address indexed spender, uint value);
      
      constructor() {
          balances[msg.sender] = totalSupply;
      }
      
      function balanceOf(address owner) public view returns(uint) {
          return balances[owner];
      }
      
      function transfer(address to, uint value) public  returns(bool) {
          require(balanceOf(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(balanceOf(from) >= value, 'balance too low');
          require(allowance[from][msg.sender] >= value, 'allowance too low');
          balances[to] += value;
          balances[from] -= value;
          emit Transfer(from, to, value);
          return true;   
      }
      
      function approve(address spender, uint value) public returns (bool) {
          allowance[msg.sender][spender] = value;
          emit Approval(msg.sender, spender, value);
          return true;   
          }
  }