36 lines
746 B
Solidity
36 lines
746 B
Solidity
pragma solidity ^0.4.8;
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import './ERC20Basic.sol';
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import '../SafeMath.sol';
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/*
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* Basic token
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* Basic version of StandardToken, with no allowances
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*/
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contract BasicToken is ERC20Basic {
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using SafeMath for uint;
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mapping(address => uint) balances;
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/*
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* Fix for the ERC20 short address attack
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*/
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modifier onlyPayloadSize(uint size) {
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assert(msg.data.length >= size + 4);
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_;
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}
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function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
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balances[msg.sender] = balances[msg.sender].safeSub(_value);
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balances[_to] = balances[_to].safeAdd(_value);
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Transfer(msg.sender, _to, _value);
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}
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function balanceOf(address _owner) constant returns (uint balance) {
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return balances[_owner];
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}
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}
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