HPBToken

0x38c6a68304cdefb9bec48bbfaaba5c5b47818bb2

balanceOf keyboard_arrow_up

  function balanceOf(address _owner) constant returns (uint balance) {
    return balances[_owner];
  }

transfer keyboard_arrow_up

  function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
  }

allowance keyboard_arrow_up

  function allowance(address _owner, address _spender) constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }

transferFrom keyboard_arrow_up

  function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // if (_value > _allowance) throw;

    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
  }

approve keyboard_arrow_up

  function approve(address _spender, uint _value) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
  }

start keyboard_arrow_up

    function start(uint _firstblock) public onlyOwner beforeStart {
        if (_firstblock <= block.number) {
            // Must specify a block in the future.
            throw;
        }

        firstblock = _firstblock;
        SaleStarted();
    }

close keyboard_arrow_up

    function close() public onlyOwner afterEnd {
        if (totalEthReceived < GOAL) {
            SaleFailed();
        } else {
            SaleSucceeded();
        }
    }

price keyboard_arrow_up

    function price() public constant returns (uint tokens) {
        return computeTokenAmount(1 ether);
    }

constructor keyboard_arrow_up

    function () payable {
        issueToken(msg.sender);
    }

issueToken keyboard_arrow_up

    function issueToken(address recipient) payable inProgress {
        // We only accept minimum purchase of 0.01 ETH.
        assert(msg.value >= 0.01 ether);

        // We only accept maximum purchase of 35 ETH.
        assert(msg.value <= 35 ether);

        // We only accept totalEthReceived < HARD_CAP
        uint ethReceived = totalEthReceived + msg.value;
        assert(ethReceived <= HARD_CAP);

        uint tokens = computeTokenAmount(msg.value);
        totalEthReceived = totalEthReceived.add(msg.value);
        
        balances[msg.sender] = balances[msg.sender].add(tokens);
        balances[target] = balances[target].sub(tokens);

        Issue(
            issueIndex++,
            recipient,
            msg.value,
            tokens
        );

        if (!target.send(msg.value)) {
            throw;
        }
    }

saleStarted keyboard_arrow_up

    function saleStarted() constant returns (bool) {
        return (firstblock > 0 && block.number >= firstblock);
    }

saleEnded keyboard_arrow_up

    function saleEnded() constant returns (bool) {
        return firstblock > 0 && (saleDue() || hardCapReached());
    }

saleDue keyboard_arrow_up

    function saleDue() constant returns (bool) {
        return block.number >= firstblock + BLOCKS_PER_PHASE * NUM_OF_PHASE;
    }

hardCapReached keyboard_arrow_up

    function hardCapReached() constant returns (bool) {
        return totalEthReceived >= HARD_CAP;
    }