/** *Submitted for verification at Etherscan.io on 2019-04-08 */

// File: contracts\open-zeppelin-contracts\token\ERC20\IERC20.sol

pragma solidity ^0.5.0;

/**

• @title ERC20 interface

• @dev see ethereum/EIPs#20 */ interface IERC20 { function transfer(address to, uint256 value) external returns (bool);

  function approve(address spender, uint256 value) external returns (bool);

  function transferFrom(address from, address to, uint256 value) external returns (bool);

  function totalSupply() external view returns (uint256);

  function balanceOf(address who) external view returns (uint256);

  function allowance(address owner, address spender) external view returns (uint256);

  event Transfer(address indexed from, address indexed to, uint256 value);

  event Approval(address indexed owner, address indexed spender, uint256 value); }

// File: contracts\open-zeppelin-contracts\math\SafeMath.sol

pragma solidity ^0.5.0;

/**

• @title SafeMath

• @dev Unsigned math operations with safety checks that revert on error / library SafeMath { /*

  • @dev Multiplies two unsigned integers, reverts on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: OpenZeppelin/openzeppelin-contracts#522 if (a == 0) { return 0; }

    uint256 c = a * b; require(c / a == b);

    return c; }

  /**

  • @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c; }

  /**

  • @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b;

    return c; }

  /**

  • @dev Adds two unsigned integers, reverts on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a);

    return c; }

  /**

  • @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
  • reverts when dividing by zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; } }

// File: contracts\open-zeppelin-contracts\token\ERC20\ERC20.sol

pragma solidity ^0.5.0;

/**

• @title Standard ERC20 token

• @dev Implementation of the basic standard token.

• https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md

• Originally based on code by FirstBlood:

• https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol

• This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for

• all accounts just by listening to said events. Note that this isn't required by the specification, and other

• compliant implementations may not do it. */ contract ERC20 is IERC20 { using SafeMath for uint256;

  mapping (address => uint256) private _balances;

  mapping (address => mapping (address => uint256)) private _allowed;

  uint256 private _totalSupply;

  /**

  • @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return _totalSupply; }

  /**

  • @dev Gets the balance of the specified address.
  • @param owner The address to query the balance of.
  • @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; }

  /**

  • @dev Function to check the amount of tokens that an owner allowed to a spender.
  • @param owner address The address which owns the funds.
  • @param spender address The address which will spend the funds.
  • @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address owner, address spender) public view returns (uint256) { return _allowed[owner][spender]; }

  /**

  • @dev Transfer token for a specified address
  • @param to The address to transfer to.
  • @param value The amount to be transferred. */ function transfer(address to, uint256 value) public returns (bool) { _transfer(msg.sender, to, value); return true; }

  /**

  • @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
  • Beware that changing an allowance with this method brings the risk that someone may use both the old
  • and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
  • race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
  • ethereum/EIPs#20 (comment)
  • @param spender The address which will spend the funds.
  • @param value The amount of tokens to be spent. */ function approve(address spender, uint256 value) public returns (bool) { _approve(msg.sender, spender, value); return true; }

  /**

  • @dev Transfer tokens from one address to another.
  • Note that while this function emits an Approval event, this is not required as per the specification,
  • and other compliant implementations may not emit the event.
  • @param from address The address which you want to send tokens from
  • @param to address The address which you want to transfer to
  • @param value uint256 the amount of tokens to be transferred */ function transferFrom(address from, address to, uint256 value) public returns (bool) { _transfer(from, to, value); _approve(from, msg.sender, _allowed[from][msg.sender].sub(value)); return true; }

  /**

  • @dev Increase the amount of tokens that an owner allowed to a spender.
  • approve should be called when allowed_[_spender] == 0. To increment
  • allowed value is better to use this function to avoid 2 calls (and wait until
  • the first transaction is mined)
  • From MonolithDAO Token.sol
  • Emits an Approval event.
  • @param spender The address which will spend the funds.
  • @param addedValue The amount of tokens to increase the allowance by. */ function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(msg.sender, spender, _allowed[msg.sender][spender].add(addedValue)); return true; }

  /**

  • @dev Decrease the amount of tokens that an owner allowed to a spender.
  • approve should be called when allowed_[_spender] == 0. To decrement
  • allowed value is better to use this function to avoid 2 calls (and wait until
  • the first transaction is mined)
  • From MonolithDAO Token.sol
  • Emits an Approval event.
  • @param spender The address which will spend the funds.
  • @param subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(msg.sender, spender, _allowed[msg.sender][spender].sub(subtractedValue)); return true; }

  /**

  • @dev Transfer token for a specified addresses

  • @param from The address to transfer from.

  • @param to The address to transfer to.

  • @param value The amount to be transferred. */ function _transfer(address from, address to, uint256 value) internal { require(to != address(0));

    _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); emit Transfer(from, to, value); }

  /**

  • @dev Internal function that mints an amount of the token and assigns it to

  • an account. This encapsulates the modification of balances such that the

  • proper events are emitted.

  • @param account The account that will receive the created tokens.

  • @param value The amount that will be created. */ function _mint(address account, uint256 value) internal { require(account != address(0));

    _totalSupply = _totalSupply.add(value); _balances[account] = _balances[account].add(value); emit Transfer(address(0), account, value); }

  /**

  • @dev Internal function that burns an amount of the token of a given

  • account.

  • @param account The account whose tokens will be burnt.

  • @param value The amount that will be burnt. */ function _burn(address account, uint256 value) internal { require(account != address(0));

    _totalSupply = _totalSupply.sub(value); _balances[account] = _balances[account].sub(value); emit Transfer(account, address(0), value); }

  /**

  • @dev Approve an address to spend another addresses' tokens.

  • @param owner The address that owns the tokens.

  • @param spender The address that will spend the tokens.

  • @param value The number of tokens that can be spent. */ function _approve(address owner, address spender, uint256 value) internal { require(spender != address(0)); require(owner != address(0));

    _allowed[owner][spender] = value; emit Approval(owner, spender, value); }

  /**

  • @dev Internal function that burns an amount of the token of a given
  • account, deducting from the sender's allowance for said account. Uses the
  • internal burn function.
  • Emits an Approval event (reflecting the reduced allowance).
  • @param account The account whose tokens will be burnt.
  • @param value The amount that will be burnt. */ function _burnFrom(address account, uint256 value) internal { _burn(account, value); _approve(account, msg.sender, _allowed[account][msg.sender].sub(value)); } }

// File: contracts\ERC20\TokenMintERC20Token.sol

pragma solidity ^0.5.0;

/**

• @title TokenMintERC20Token

• @author TokenMint (visit https://tokenmint.io)

• @dev Standard ERC20 token with optional functions implemented.

• For full specification of ERC-20 standard see:

• https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md */ contract TokenMintERC20Token is ERC20 {

  string private _name; string private _symbol; uint8 private _decimals;

  constructor(string memory name, string memory symbol, uint8 decimals, uint256 totalSupply, address payable feeReceiver, address tokenOwnerAddress) public payable { _name = name; _symbol = symbol; _decimals = decimals;

  // set tokenOwnerAddress as owner of all tokens _mint(tokenOwnerAddress, totalSupply);

  // pay the service fee for contract deployment feeReceiver.transfer(msg.value); }

  // optional functions from ERC20 stardard

  /**

  • @return the name of the token. */ function name() public view returns (string memory) { return _name; }

  /**

  • @return the symbol of the token. */ function symbol() public view returns (string memory) { return _symbol; }

  /**

  • @return the number of decimals of the token. */ function decimals() public view returns (uint8) { return _decimals; } }