Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-05-30
*/

pragma solidity ^0.4.24;

// written by madgustave from Team Chibi Fighters
// find us at https://chibigame.io
// info@chibifighters.io
// version 1.0.0

contract ExternalTokensSupport {
    function calculateAmount(address, uint256, address, bytes, uint256) public pure returns(uint256, uint256, uint256) {}
}


contract Owned {
    address public owner;
    address public newOwner;

    event OwnershipTransferred(address indexed _from, address indexed _to);

    constructor() public {
        owner = msg.sender;
    }

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

    function transferOwnership(address _newOwner) public onlyOwner {
        newOwner = _newOwner;
    }
    
    function acceptOwnership() public {
        require(msg.sender == newOwner);
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
        newOwner = address(0);
    }
}


interface ERC20Interface {
    function transferFrom(address from, address to, uint tokens) external returns (bool success);
    function transfer(address to, uint tokens) external;
    function balanceOf(address _owner) external view returns (uint256 _balance);
}

interface ERC20InterfaceClassic {
    function transfer(address to, uint tokens) external returns (bool success);
}

contract Crystals is Owned {
	// price of one crystal in wei
	uint256 public crystalPrice;
    ExternalTokensSupport public etsContract;    

	event crystalsBought(
		address indexed buyer,
		uint256 amount,
        uint256 indexed paymentMethod 
	);

	constructor(uint256 startPrice, address etsAddress) public {
		crystalPrice = startPrice;
        etsContract = ExternalTokensSupport(etsAddress);
	}

	function () public payable {
		require(msg.value >= crystalPrice);

		// crystal is indivisible
		require(msg.value % crystalPrice == 0);

		emit crystalsBought(msg.sender, msg.value / crystalPrice, 0);
	}

    function buyWithERC20(address _sender, uint256 _value, ERC20Interface _tokenContract, bytes _extraData) internal {
        require(etsContract != address(0));

        (uint256 crystalsAmount, uint256 neededTokensAmount, uint256 paymentMethod) = etsContract.calculateAmount(_sender, _value, _tokenContract, _extraData, crystalPrice);

        require(_tokenContract.transferFrom(_sender, address(this), neededTokensAmount));

        emit crystalsBought(_sender, crystalsAmount, paymentMethod);
    }

    function receiveApproval(address _sender, uint256 _value, ERC20Interface _tokenContract, bytes _extraData) public {
        buyWithERC20(_sender, _value, _tokenContract, _extraData);
    }

	function changePrice(uint256 newPrice) public onlyOwner {
		crystalPrice = newPrice;
	}

    function changeEtsAddress(address etsAddress) public onlyOwner {
        etsContract = ExternalTokensSupport(etsAddress);
    }

    /**
    * @dev Send Ether to owner
    * @param _address Receiving address
    * @param _amountWei Amount in WEI to send
    **/
    function weiToOwner(address _address, uint _amountWei) public onlyOwner returns (bool) {
        require(_amountWei <= address(this).balance);
        _address.transfer(_amountWei);
        return true;
    }

    function ERC20ToOwner(address _to, uint256 _amount, ERC20Interface _tokenContract) public onlyOwner {
        _tokenContract.transfer(_to, _amount);
    }

    function ERC20ClassicToOwner(address _to, uint256 _amount, ERC20InterfaceClassic _tokenContract) public onlyOwner {
        _tokenContract.transfer(_to, _amount);
    }
    
    function queryERC20(ERC20Interface _tokenContract) public view onlyOwner returns (uint) {
        return _tokenContract.balanceOf(this);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"_address","type":"address"},{"name":"_amountWei","type":"uint256"}],"name":"weiToOwner","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_tokenContract","type":"address"}],"name":"ERC20ClassicToOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"etsContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"acceptOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_sender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_tokenContract","type":"address"},{"name":"_extraData","type":"bytes"}],"name":"receiveApproval","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenContract","type":"address"}],"name":"queryERC20","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newPrice","type":"uint256"}],"name":"changePrice","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"crystalPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"etsAddress","type":"address"}],"name":"changeEtsAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"newOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_tokenContract","type":"address"}],"name":"ERC20ToOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"startPrice","type":"uint256"},{"name":"etsAddress","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"buyer","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":true,"name":"paymentMethod","type":"uint256"}],"name":"crystalsBought","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

608060405234801561001057600080fd5b506040516040806109d183398101604052805160209091015160008054600160a060020a0319908116331790915560029290925560038054600160a060020a0390921691909216179055610968806100696000396000f3006080604052600436106100ab5763ffffffff60e060020a6000350416630db5db26811461012257806328f145731461015a57806354c866281461018757806379ba5097146101b85780638da5cb5b146101cd5780638f4ffcb1146101e257806395d9117214610252578063a2b40d1914610285578063c5c5135c1461029d578063ccb00344146102b2578063d4ee1d90146102d3578063dea21027146102e8578063f2fde38b14610313575b6002543410156100ba57600080fd5b600254348115156100c757fe5b06156100d257600080fd5b600033600160a060020a03167ff016fdea12468ec341af2406a8f4bb986347550a19282cc2f711ccb491aa78166002543481151561010c57fe5b60408051929091048252519081900360200190a3005b34801561012e57600080fd5b50610146600160a060020a0360043516602435610334565b604080519115158252519081900360200190f35b34801561016657600080fd5b50610185600160a060020a03600435811690602435906044351661039a565b005b34801561019357600080fd5b5061019c610445565b60408051600160a060020a039092168252519081900360200190f35b3480156101c457600080fd5b50610185610454565b3480156101d957600080fd5b5061019c6104dc565b3480156101ee57600080fd5b50604080516020601f60643560048181013592830184900484028501840190955281845261018594600160a060020a038135811695602480359660443590931695369560849492019181908401838280828437509497506104eb9650505050505050565b34801561025e57600080fd5b50610273600160a060020a03600435166104fd565b60408051918252519081900360200190f35b34801561029157600080fd5b506101856004356105a8565b3480156102a957600080fd5b506102736105c4565b3480156102be57600080fd5b50610185600160a060020a03600435166105ca565b3480156102df57600080fd5b5061019c610610565b3480156102f457600080fd5b50610185600160a060020a03600435811690602435906044351661061f565b34801561031f57600080fd5b50610185600160a060020a03600435166106b6565b60008054600160a060020a0316331461034c57600080fd5b303182111561035a57600080fd5b604051600160a060020a0384169083156108fc029084906000818181858888f19350505050158015610390573d6000803e3d6000fd5b5060019392505050565b600054600160a060020a031633146103b157600080fd5b80600160a060020a031663a9059cbb84846040518363ffffffff1660e060020a0281526004018083600160a060020a0316600160a060020a0316815260200182815260200192505050602060405180830381600087803b15801561041457600080fd5b505af1158015610428573d6000803e3d6000fd5b505050506040513d602081101561043e57600080fd5b5050505050565b600354600160a060020a031681565b600154600160a060020a0316331461046b57600080fd5b60015460008054604051600160a060020a0393841693909116917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e091a3600180546000805473ffffffffffffffffffffffffffffffffffffffff19908116600160a060020a03841617909155169055565b600054600160a060020a031681565b6104f7848484846106fc565b50505050565b60008054600160a060020a0316331461051557600080fd5b604080517f70a082310000000000000000000000000000000000000000000000000000000081523060048201529051600160a060020a038416916370a082319160248083019260209291908290030181600087803b15801561057657600080fd5b505af115801561058a573d6000803e3d6000fd5b505050506040513d60208110156105a057600080fd5b505192915050565b600054600160a060020a031633146105bf57600080fd5b600255565b60025481565b600054600160a060020a031633146105e157600080fd5b6003805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b600154600160a060020a031681565b600054600160a060020a0316331461063657600080fd5b80600160a060020a031663a9059cbb84846040518363ffffffff1660e060020a0281526004018083600160a060020a0316600160a060020a0316815260200182815260200192505050600060405180830381600087803b15801561069957600080fd5b505af11580156106ad573d6000803e3d6000fd5b50505050505050565b600054600160a060020a031633146106cd57600080fd5b6001805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b60035460009081908190600160a060020a0316151561071a57600080fd5b6003546002546040517f361eb2a6000000000000000000000000000000000000000000000000000000008152600160a060020a038a811660048301908152602483018b905289821660448401526084830184905260a060648401908152895160a48501528951929095169463361eb2a6948d948d948d948d949092909160c490910190602086019080838360005b838110156107c05781810151838201526020016107a8565b50505050905090810190601f1680156107ed5780820380516001836020036101000a031916815260200191505b509650505050505050606060405180830381600087803b15801561081057600080fd5b505af1158015610824573d6000803e3d6000fd5b505050506040513d606081101561083a57600080fd5b50805160208083015160409384015184517f23b872dd000000000000000000000000000000000000000000000000000000008152600160a060020a038d811660048301523060248301526044820184905295519498509196509450928816926323b872dd92606480830193928290030181600087803b1580156108bc57600080fd5b505af11580156108d0573d6000803e3d6000fd5b505050506040513d60208110156108e657600080fd5b505115156108f357600080fd5b6040805184815290518291600160a060020a038a16917ff016fdea12468ec341af2406a8f4bb986347550a19282cc2f711ccb491aa78169181900360200190a3505050505050505600a165627a7a723058205614b2174c735f230c9eccefce7d835187fda96c8060df91cc75f7a3cb5a1eac002900000000000000000000000000000000000000000000000000071afd498d000000000000000000000000000096be7c812c68a1aa915a85c4051dc1669bd677f6

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

00000000000000000000000000000000000000000000000000071afd498d000000000000000000000000000096be7c812c68a1aa915a85c4051dc1669bd677f6

-----Decoded View---------------
Arg [0] : startPrice (uint256): 2000000000000000
Arg [1] : etsAddress (address): 0x96bE7C812C68a1aA915a85c4051dC1669Bd677F6

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000071afd498d0000
Arg [1] : 00000000000000000000000096be7c812c68a1aa915a85c4051dc1669bd677f6

bzzr://5614b2174c735f230c9eccefce7d835187fda96c8060df91cc75f7a3cb5a1eac