Files
openzeppelin-contracts/contracts/token/BasicToken.sol
2016-11-23 16:51:40 -08:00

30 lines
622 B
Solidity

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];
}
}