pragma solidity ^0.4.4; import './ERC20Basic.sol'; import '../SafeMath.sol'; /* * Basic token * Basic version of StandardToken, with no allowances */ contract BasicToken is ERC20Basic, SafeMath { mapping(address => uint) balances; function transfer(address _to, uint _value) { if (balances[msg.sender] < _value) { throw; } balances[msg.sender] = safeSub(balances[msg.sender], _value); balances[_to] = safeAdd(balances[_to], _value); Transfer(msg.sender, _to, _value); } function balanceOf(address _owner) constant returns (uint balance) { return balances[_owner]; } }