Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• library SafeMath
•    - function add(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•  contract Token
•    - function totalSupply()
•    - function balanceOf(address _owner)
•    - function transfer(address _to, uint25 ...
•    - function transferFrom(
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...
•    - function burn(uint256 amount)
•  contract TokenSwapPhase2 *
•    - function depositKAI(address _toAddres ...
•    - function burnKAI()
•    - function getBalanceKAIContract()
•    - function setIsEnd()
•    - function getNumberDepositors()
•    - function emergencyWithdrawalKAI(uint2 ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-01-07
*/

pragma solidity ^0.5.0;
/*
 * @title: SafeMath
 * @dev: Helper contract functions to arithmatic operations safely.
 */

library SafeMath {

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        uint256 c = a - b;

        return c;
    }

}

 /*
 * @title: Token
 * @dev: Interface contract for ERC20 tokens
 */
contract Token {
    function totalSupply() public view returns (uint256 supply);

    function balanceOf(address _owner) public view returns (uint256 balance);

    function transfer(address _to, uint256 _value)
        public
        returns (bool success);

    function transferFrom(
        address _from,
        address _to,
        uint256 _value
    ) public returns (bool success);

    function approve(address _spender, uint256 _value)
        public
        returns (bool success);

    function allowance(address _owner, address _spender)
        public
        view
        returns (uint256 remaining);
    
    function burn(uint256 amount) public;

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(
        address indexed _owner,
        address indexed _spender,
        uint256 _value
    );
}


contract TokenSwapPhase2 {
    using SafeMath for uint256;

    constructor() public {
        owner = msg.sender;
        isEnd = false;
    }
    
    address constant KAI_ADDRESS = 0xD9Ec3ff1f8be459Bb9369b4E79e9Ebcf7141C093;

    address private owner;
    address[] public depositors;
    bool public isEnd;
    mapping (address => uint256) public amount;

    // Functions with this modifier can only be executed by the owner
    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }
    
    function depositKAI(address _toAddress,  uint256 _amount) public {
        require(isEnd == false, "The campaign is ended");
        require(Token(KAI_ADDRESS).transferFrom(msg.sender, address(this), _amount));
        
        if (amount[_toAddress] == 0) {
            depositors.push(_toAddress);
        }
        
        amount[_toAddress] += _amount;
    }
    

    function burnKAI() public onlyOwner {
        Token(KAI_ADDRESS).burn(getBalanceKAIContract());
    }
    
    function getBalanceKAIContract() public view returns (uint256) {
        return Token(KAI_ADDRESS).balanceOf(address(this));
    }

    function setIsEnd() public onlyOwner {
        isEnd = true;
    }
    
    function getNumberDepositors() public view returns (uint256) {
        return depositors.length;
    }
    
    function emergencyWithdrawalKAI(uint256 _amount) public onlyOwner {
        Token(KAI_ADDRESS).transfer(msg.sender, _amount);
    }  
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[],"name":"setIsEnd","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"burnKAI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isEnd","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_toAddress","type":"address"},{"name":"_amount","type":"uint256"}],"name":"depositKAI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_amount","type":"uint256"}],"name":"emergencyWithdrawalKAI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getNumberDepositors","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"amount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getBalanceKAIContract","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"depositors","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

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

1509:1518:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2693:68;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2693:68:0;;;;;;2438:103;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2438:103:0;;;;1814:17;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1814:17:0;;;;;;;;;;;;;;;;;;;;;;2052:372;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2052:372:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;;;;;;2052:372:0;;;;;;;;;2889:133;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2889:133:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2889:133:0;;;2773:104;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2773:104:0;;;;;;;;;;;;;;;;;;;;1838:42;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1838:42:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;1838:42:0;-1:-1:-1;;;;;1838:42:0;;;2553:132;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2553:132:0;;;;1780:27;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1780:27:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;1780:27:0;;;;;;;-1:-1:-1;;;;;1780:27:0;;;;;;;;;;;;;;2693:68;2014:5;;-1:-1:-1;;;;;2014:5:0;2000:10;:19;1992:28;;;;;;2741:5;:12;;-1:-1:-1;;2741:12:0;2749:4;2741:12;;;2693:68::o;2438:103::-;2014:5;;-1:-1:-1;;;;;2014:5:0;2000:10;:19;1992:28;;;;;;1701:42;2485:23;2509;:21;:23::i;:::-;2485:48;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2485:48:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2485:48:0;;;;2438:103::o;1814:17::-;;;;;;:::o;2052:372::-;2136:5;;;;:14;2128:48;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2195:67;;;;;;2227:10;2195:67;;;;2247:4;2195:67;;;;;;;;;;;;1701:42;;2195:31;;:67;;;;;;;;;;;;;;-1:-1:-1;1701:42:0;2195:67;;;5:2:-1;;;;30:1;27;20:12;5:2;2195:67:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2195:67:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2195:67:0;2187:76;;;;;;;;-1:-1:-1;;;;;2288:18:0;;;;;;:6;:18;;;;;;:23;2284:83;;;2328:10;27::-1;;23:18;;;45:23;;-1:-1;2328:27:0;;;;;;;;-1:-1:-1;;2328:27:0;-1:-1:-1;;;;;2328:27:0;;;;;2284:83;-1:-1:-1;;;;;2387:18:0;;;;;;;:6;:18;;;;;:29;;;;;;;2052:372::o;2889:133::-;2014:5;;-1:-1:-1;;;;;2014:5:0;2000:10;:19;1992:28;;;;;;2966:48;;;;;;2994:10;2966:48;;;;;;;;;;;;1701:42;;2966:27;;:48;;;;;;;;;;;;;;-1:-1:-1;1701:42:0;2966:48;;;5:2:-1;;;;30:1;27;20:12;5:2;2966:48:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2966:48:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;;;2889:133:0:o;2773:104::-;2852:10;:17;2773:104;:::o;1838:42::-;;;;;;;;;;;;;:::o;2553:132::-;2634:43;;;;;;2671:4;2634:43;;;;;;2607:7;;1701:42;;2634:28;;:43;;;;;;;;;;;;;;;1701:42;2634:43;;;5:2:-1;;;;30:1;27;20:12;5:2;2634:43:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2634:43:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2634:43:0;;-1:-1:-1;2553:132:0;:::o;1780:27::-;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;1780:27:0;;-1:-1:-1;1780:27:0;:::o

bzzr://543e811c9f130241654ce820dce738fbf2366f4c8cf22d6cf6cfbfafc3c57e89