creation_sourcecode: /**
   *Submitted for verification at BscScan.com on 2021-07-01
  */
  
  // File: contracts/lib/SafeMath.sol
  
  /*
  
      Copyright 2020 DODO ZOO.
      SPDX-License-Identifier: Apache-2.0
  
  */
  
  pragma solidity 0.6.9;
  
  
  /**
   * @title SafeMath
   * @author DODO Breeder
   *
   * @notice Math operations with safety checks that revert on error
   */
  library SafeMath {
      function mul(uint256 a, uint256 b) internal pure returns (uint256) {
          if (a == 0) {
              return 0;
          }
  
          uint256 c = a * b;
          require(c / a == b, "MUL_ERROR");
  
          return c;
      }
  
      function div(uint256 a, uint256 b) internal pure returns (uint256) {
          require(b > 0, "DIVIDING_ERROR");
          return a / b;
      }
  
      function divCeil(uint256 a, uint256 b) internal pure returns (uint256) {
          uint256 quotient = div(a, b);
          uint256 remainder = a - quotient * b;
          if (remainder > 0) {
              return quotient + 1;
          } else {
              return quotient;
          }
      }
  
      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
          require(b <= a, "SUB_ERROR");
          return a - b;
      }
  
      function add(uint256 a, uint256 b) internal pure returns (uint256) {
          uint256 c = a + b;
          require(c >= a, "ADD_ERROR");
          return c;
      }
  
      function sqrt(uint256 x) internal pure returns (uint256 y) {
          uint256 z = x / 2 + 1;
          y = x;
          while (z < y) {
              y = z;
              z = (x / z + z) / 2;
          }
      }
  }
  
  // File: contracts/external/ERC20/InitializableERC20.sol
  
  
  
  contract InitializableERC20 {
      using SafeMath for uint256;
  
      string public name;
      uint8 public decimals;
      string public symbol;
      uint256 public totalSupply;
  
      bool public initialized;
  
      mapping(address => uint256) balances;
      mapping(address => mapping(address => uint256)) internal allowed;
  
      event Transfer(address indexed from, address indexed to, uint256 amount);
      event Approval(address indexed owner, address indexed spender, uint256 amount);
  
      function init(
          address _creator,
          uint256 _totalSupply,
          string memory _name,
          string memory _symbol,
          uint8 _decimals
      ) public {
          require(!initialized, "TOKEN_INITIALIZED");
          initialized = true;
          totalSupply = _totalSupply;
          balances[_creator] = _totalSupply;
          name = _name;
          symbol = _symbol;
          decimals = _decimals;
          emit Transfer(address(0), _creator, _totalSupply);
      }
  
      function transfer(address to, uint256 amount) public returns (bool) {
          require(to != address(0), "TO_ADDRESS_IS_EMPTY");
          require(amount <= balances[msg.sender], "BALANCE_NOT_ENOUGH");
  
          balances[msg.sender] = balances[msg.sender].sub(amount);
          balances[to] = balances[to].add(amount);
          emit Transfer(msg.sender, to, amount);
          return true;
      }
  
      function balanceOf(address owner) public view returns (uint256 balance) {
          return balances[owner];
      }
  
      function transferFrom(
          address from,
          address to,
          uint256 amount
      ) public returns (bool) {
          require(to != address(0), "TO_ADDRESS_IS_EMPTY");
          require(amount <= balances[from], "BALANCE_NOT_ENOUGH");
          require(amount <= allowed[from][msg.sender], "ALLOWANCE_NOT_ENOUGH");
  
          balances[from] = balances[from].sub(amount);
          balances[to] = balances[to].add(amount);
          allowed[from][msg.sender] = allowed[from][msg.sender].sub(amount);
          emit Transfer(from, to, amount);
          return true;
      }
  
      function approve(address spender, uint256 amount) public returns (bool) {
          allowed[msg.sender][spender] = amount;
          emit Approval(msg.sender, spender, amount);
          return true;
      }
  
      function allowance(address owner, address spender) public view returns (uint256) {
          return allowed[owner][spender];
      }
  }