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 TokenSwapBridge *
•    - function swapKAI(address _toAddress, ...
•    - function burnKAI()
•    - function getBalanceKAIContract()
•    - function setPause()
•    - function setUnpause()
•    - function getDepositors()
•    - function emergencyWithdrawalKAI(uint2 ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-01-27
*/

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 TokenSwapBridge {
    using SafeMath for uint256;

    constructor() public {
        owner = msg.sender;
        paused = false;
    }
    
    event SwapKAI(address _from, address _addr, uint256 _amount);
    address constant KAI_ADDRESS = 0xD9Ec3ff1f8be459Bb9369b4E79e9Ebcf7141C093;

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

    // Functions with this modifier can only be executed by the owner
    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }
    
    function swapKAI(address _toAddress,  uint256 _amount) public {
        require(paused == false, "SwapToken paused");
        require(Token(KAI_ADDRESS).transferFrom(msg.sender, address(this), _amount));
        
        if (amount[_toAddress] == 0) {
            depositors.push(_toAddress);
        }
        
        amount[_toAddress] += _amount;
        
        emit SwapKAI(msg.sender, _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 setPause() public onlyOwner {
        paused = true;
    }
    
    function setUnpause() public onlyOwner {
        paused = false;
    }
    
    function getDepositors() public view returns (address[] memory) {
        return depositors;
    }
    
    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":"burnKAI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getDepositors","outputs":[{"name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"setUnpause","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":"","type":"address"}],"name":"amount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"setPause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getBalanceKAIContract","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_toAddress","type":"address"},{"name":"_amount","type":"uint256"}],"name":"swapKAI","outputs":[],"payable":false,"stateMutability":"nonpayable","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"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_from","type":"address"},{"indexed":false,"name":"_addr","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"SwapKAI","type":"event"}]

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

1509:1725:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2564:103;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2564:103:0;;;;;;1882:18;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1882:18:0;;;;;;;;;;;;;;;;;;;;;;2984:100;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2984:100:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8::-1;33:3;30:1;27:10;8:100;;;90:11;;;84:18;71:11;;;64:39;52:2;45:10;8:100;;;12:14;2984:100:0;;;;;;;;;;;;;;;;;2900:72;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2900:72:0;;;;3096:133;;8:9:-1;5:2;;;30:1;27;20:12;5:2;3096:133:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;3096:133:0;;;1907:42;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1907:42:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;1907:42:0;-1:-1:-1;;;;;1907:42:0;;;;;;;;;;;;;;;;;;;2819:69;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2819:69:0;;;;2679:132;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2679:132:0;;;;2121:431;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2121:431:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;;;;;;2121:431:0;;;;;;;;;1848:27;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1848:27:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;1848:27:0;;;;;;;-1:-1:-1;;;;;1848:27:0;;;;;;;;;;;;;;2564:103;2083:5;;-1:-1:-1;;;;;2083:5:0;2069:10;:19;2061:28;;;;;;1769:42;2611:23;2635;:21;:23::i;:::-;2611:48;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2611:48:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2611:48:0;;;;2564:103::o;1882:18::-;;;;;;:::o;2984:100::-;3030:16;3066:10;3059:17;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;3059:17:0;;;;;;;;;;;;;;;;;;;;;;;2984:100;:::o;2900:72::-;2083:5;;-1:-1:-1;;;;;2083:5:0;2069:10;:19;2061:28;;;;;;2950:6;:14;;-1:-1:-1;;2950:14:0;;;2900:72::o;3096:133::-;2083:5;;-1:-1:-1;;;;;2083:5:0;2069:10;:19;2061:28;;;;;;3173:48;;;;;;3201:10;3173:48;;;;;;;;;;;;1769:42;;3173:27;;:48;;;;;;;;;;;;;;-1:-1:-1;1769:42:0;3173:48;;;5:2:-1;;;;30:1;27;20:12;5:2;3173:48:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;3173:48:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;;;3096:133:0:o;1907:42::-;;;;;;;;;;;;;:::o;2819:69::-;2083:5;;-1:-1:-1;;;;;2083:5:0;2069:10;:19;2061:28;;;;;;2867:6;:13;;-1:-1:-1;;2867:13:0;2876:4;2867:13;;;2819:69::o;2679:132::-;2760:43;;;;;;2797:4;2760:43;;;;;;2733:7;;1769:42;;2760:28;;:43;;;;;;;;;;;;;;;1769:42;2760:43;;;5:2:-1;;;;30:1;27;20:12;5:2;2760:43:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2760:43:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2760:43:0;;-1:-1:-1;2679:132:0;:::o;2121:431::-;2202:6;;;;:15;2194:44;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2257:67;;;;;;2289:10;2257:67;;;;2309:4;2257:67;;;;;;;;;;;;1769:42;;2257:31;;:67;;;;;;;;;;;;;;-1:-1:-1;1769:42:0;2257:67;;;5:2:-1;;;;30:1;27;20:12;5:2;2257:67:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;2257:67:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;2257:67:0;2249:76;;;;;;;;-1:-1:-1;;;;;2350:18:0;;;;;;:6;:18;;;;;;:23;2346:83;;;2390:10;27::-1;;23:18;;;45:23;;-1:-1;2390:27:0;;;;;;;;-1:-1:-1;;2390:27:0;-1:-1:-1;;;;;2390:27:0;;;;;2346:83;-1:-1:-1;;;;;2449:18:0;;;;;;:6;:18;;;;;;;;;:29;;;;;;2504:40;;2512:10;2504:40;;;;;;;;;;;;;;;;;;;;;;;;;2121:431;;:::o;1848:27::-;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;1848:27:0;;-1:-1:-1;1848:27:0;:::o

bzzr://32daa3a0b584ebbe7241b6ba25c6698bce7fa72650604cf6166d103a735ef532