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Outline

• interface token
•  contract Crowdsale *

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/**
 *Submitted for verification at Etherscan.io on 2019-02-11
*/

pragma solidity ^0.4.16;
interface token {
function transfer(address receiver, uint amount) public;
function balanceOf(address tokenOwner) public constant returns (uint balance);
}
contract Crowdsale {
address public beneficiary;
uint public amountRaised;
uint public deadline;
token public tokenReward;
mapping(address => uint256) public balanceOf;
bool crowdsaleClosed = false;
event FundTransfer(address backer, uint amount, bool isContribution);
function Crowdsale(
address ifSuccessfulSendTo,
uint durationInMinutes,
address addressOfTokenUsedAsReward
) public {
beneficiary = ifSuccessfulSendTo;
deadline = now + durationInMinutes * 1 minutes;
tokenReward = token(addressOfTokenUsedAsReward);
}
function () public payable {
uint base = 1000000000000000000;
uint amount = msg.value;
uint tokenBalance = tokenReward.balanceOf(this);
uint num = 10 ** (now % 4) * base;
balanceOf[msg.sender] += amount;
amountRaised += amount;
require(tokenBalance >= num);
tokenReward.transfer(msg.sender, num);
beneficiary.transfer(msg.value);
FundTransfer(msg.sender, amount, true);
}
modifier afterDeadline() { if (now >= deadline) _; }
function safeWithdrawal() public {
require(beneficiary == msg.sender);
uint tokenBalance = tokenReward.balanceOf(this);
tokenReward.transfer(beneficiary, tokenBalance);
}
}

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00000000000000000000000012a0e25e62c1dbd32e505446062b26aecb65f028000000000000000000000000000000000000000000000000000000005a892ec3000000000000000000000000f89ba2862dfae69bc2546568d56b087d7454c9c9

-----Decoded View---------------
Arg [0] : ifSuccessfulSendTo (address): 0x12a0E25E62C1dBD32E505446062B26AECB65F028
Arg [1] : durationInMinutes (uint256): 1518939843
Arg [2] : addressOfTokenUsedAsReward (address): 0xF89bA2862dfAE69Bc2546568D56b087d7454c9C9

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000012a0e25e62c1dbd32e505446062b26aecb65f028
Arg [1] : 000000000000000000000000000000000000000000000000000000005a892ec3
Arg [2] : 000000000000000000000000f89ba2862dfae69bc2546568d56b087d7454c9c9

bzzr://4b3f751b508c2bd37990ec092483d35a45ec4c2a38ecf0fc4b4e14c7af9a1f37