/* Submitted for verification at BscScan.com on 2021-02-25 */

// 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; uint256 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, uint256 _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]; } }