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 2020-05-28
*/

pragma solidity ^0.4.24;

contract Ownable {
    address public owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    /**
     * @dev The Ownable constructor sets the original `owner` of the contract to the sender
     * account.
     */
    constructor() public {
        owner = msg.sender;
    }
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }
    /**
    * @dev Allows the current owner to transfer control of the contract to a newOwner.
    * @param newOwner The address to transfer ownership to.
    */
    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }
}

contract Erc20 {
    function balanceOf(address _owner) view public returns(uint256);
    function transfer(address _to, uint256 _value) public returns(bool);
    function approve(address _spender, uint256 _value) public returns(bool);
}

contract Chai is Erc20 {
    function join(address dst, uint wad) external;
}

contract Exchange {
    function trade(
        address src,
        uint srcAmount,
        address dest,
        address destAddress,
        uint maxDestAmount,
        uint minConversionRate,
        address walletId )public payable returns(uint);
}


contract chaiGateway is Ownable {
    Exchange DaiEx = Exchange(0x818E6FECD516Ecc3849DAf6845e3EC868087B755);

    Erc20 dai = Erc20(0x6B175474E89094C44Da98b954EedeAC495271d0F);
    Chai chai = Chai(0x06AF07097C9Eeb7fD685c692751D5C66dB49c215);

    address etherAddr = 0x00eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee;

    constructor() public {
        dai.approve(address(chai), uint256(-1));
    }
    
    function () public payable {
        etherTochai(msg.sender);
    }

    function etherTochai(address to) public payable returns(uint256 outAmount) {
        uint256 in_eth = msg.value * 994 / 1000;
        uint256 amount = DaiEx.trade.value(in_eth)(etherAddr, in_eth, address(dai), address(this), 10**28, 1, owner);
        uint256 before = chai.balanceOf(to);
        chai.join(to, amount);
        outAmount = chai.balanceOf(to) - before;
    }

    function makeprofit() public {
        owner.transfer(address(this).balance);
    }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[],"name":"makeprofit","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":"to","type":"address"}],"name":"etherTochai","outputs":[{"name":"outAmount","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

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

1495:973:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1951:23;1963:10;1951:11;:23::i;:::-;;1495:973;2378:85;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2378:85:0;;;;;;52:20;;8:9:-1;5:2;;;30:1;27;20:12;5:2;52:20:0;;;;;;;;-1:-1:-1;;;;;52:20:0;;;;;;;;;;;;;;1990:380;;-1:-1:-1;;;;;1990:380:0;;;;;;;;;;;;;;;;;;;;;700:192;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;700:192:0;-1:-1:-1;;;;;700:192:0;;;;;1990:380;2143:5;;;2169:9;;;2196:3;;2046:17;2228:5;;2143:91;;;;;;-1:-1:-1;;;;;2169:9:0;;;2143:91;;;;;;;2111:4;2093:9;2105:3;2093:15;:22;2143:91;;;;;;2196:3;;;2143:91;;;;2210:4;2143:91;;;;2217:6;2143:91;;;;;;;;;;;2228:5;;2143:91;;;;;;2093:22;;2046:17;;;;2143:5;;;;:11;;2093:22;;2143:91;;;;;;;;;;;;;;2093:22;2143:5;:91;;;5:2:-1;;;;30:1;27;20:12;5:2;2143:91:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2143:91:0;;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2143:91:0;2262:4;;:18;;;;;;-1:-1:-1;;;;;2262:18:0;;;;;;;;;2143:91;;-1:-1:-1;2262:4:0;;;:14;;:18;;;;;2143:91;;2262:18;;;;;;;;:4;;:18;;;5:2:-1;;;;30:1;27;20:12;5:2;2262:18:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2262:18:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2262:18:0;2291:4;;:21;;;;;;-1:-1:-1;;;;;2291:21:0;;;;;;;;;;;;;;;2262:18;;-1:-1:-1;2291:4:0;;;:9;;:21;;;;;:4;;:21;;;;;;;;:4;;:21;;;5:2:-1;;;;30:1;27;20:12;5:2;2291:21:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;-1:-1;;2335:4:0;;:18;;;;;;-1:-1:-1;;;;;2335:18:0;;;;;;;;;2356:6;;-1:-1:-1;2335:4:0;;;;;-1:-1:-1;2335:14:0;;:18;;;;;;;;;;;;;;;:4;;:18;;;5:2:-1;;;;30:1;27;20:12;5:2;2335:18:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2335:18:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2335:18:0;:27;;1990:380;-1:-1:-1;;;;;1990:380:0:o;2378:85::-;2418:5;;;:37;;-1:-1:-1;;;;;2418:5:0;;;;2441:4;2433:21;2418:37;;;;;2433:21;;2418:37;:5;:37;2433:21;2418:5;:37;;;;;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2418:37:0;2378:85::o;52:20::-;;;-1:-1:-1;;;;;52:20:0;;:::o;700:192::-;502:5;;-1:-1:-1;;;;;502:5:0;488:10;:19;480:28;;;;;;-1:-1:-1;;;;;781:22:0;;;;773:31;;;;;;841:5;;;820:37;;-1:-1:-1;;;;;820:37:0;;;;841:5;;;820:37;;;868:5;:16;;-1:-1:-1;;868:16:0;-1:-1:-1;;;;;868:16:0;;;;;;;;;;700:192::o

bzzr://483c38df456b355354020a8bbe253e1c7bd38229928ebeecb1c09ef75e34947b