Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

 contract SafeMath    - function safeSub(uint a, uint b)    - function safeAdd(uint a, uint b)  contract ERC20    - function balanceOf(address who)    - function allowance(address owner, add ...    - function transfer(address toAddress, ...    - function transferFrom(address fromAdd ...    - function approve(address spender, uin ...  contract StandardToken is ERC20, S ...    - function transfer(address _to, uint _ ...    - function transferFrom(address _from, ...    - function balanceOf(address _owner)    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...    - function burn(uint256 _value)  contract SumSwapCrown is StandardT ... *    - function SumSwapCrown()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-04-14
*/

/*@describle Equity tokens for SumSwap super nodes*/

/*@title Sumswap Crown Token*/

/*@author sumswap <[email protected]>*/

/*@website https://www.sumswap.org*/

pragma solidity ^0.4.9;

contract SafeMath {
    function safeSub(uint a, uint b) pure internal returns (uint) {
        assert(b <= a);
        return a - b;
    }

    function safeAdd(uint a, uint b) pure internal returns (uint) {
        uint c = a + b;
        assert(c >= a && c >= b);
        return c;
    }
}

contract ERC20 {
    uint public totalSupply;
    function balanceOf(address who) public constant returns (uint);
    function allowance(address owner, address spender) public constant returns (uint);
    function transfer(address toAddress, uint value) public returns (bool ok);
    function transferFrom(address fromAddress, address toAddress, uint value) public returns (bool ok);
    function approve(address spender, uint value) public returns (bool ok);
    event Transfer(address indexed fromAddress, address indexed toAddress, uint value);
    event Approval(address indexed owner, address indexed spender, uint value);
    event Burn(address indexed from, uint256 value);
}


contract StandardToken is ERC20, SafeMath {
    mapping (address => uint) balances;
    mapping (address => mapping (address => uint)) allowed;

    function transfer(address _to, uint _value) public returns (bool success) {
        balances[msg.sender] = safeSub(balances[msg.sender], _value);
        balances[_to] = safeAdd(balances[_to], _value);
        Transfer(msg.sender, _to, _value);
        return true;
    }

    function transferFrom(address _from, address _to, uint _value) public returns (bool success) {
        var _allowance = allowed[_from][msg.sender];

        balances[_to] = safeAdd(balances[_to], _value);
        balances[_from] = safeSub(balances[_from], _value);
        allowed[_from][msg.sender] = safeSub(_allowance, _value);
        Transfer(_from, _to, _value);
        return true;
    }

    function balanceOf(address _owner) public constant returns (uint balance) {
        return balances[_owner];
    }

    function approve(address _spender, uint _value) public returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    function allowance(address _owner, address _spender) public constant returns (uint remaining) {
        return allowed[_owner][_spender];
    }

    function burn(uint256 _value) public returns (bool success)
    {
        require(balances[msg.sender] >= _value);
        balances[msg.sender] -= _value;
        totalSupply -= _value;
        Burn(msg.sender, _value);
        return true;
    }
}

contract SumSwapCrown is StandardToken 
{
    string public name = "SumSwapCrown";
    string public symbol = "SCROWN";
    uint public decimals = 18;
    uint public totalSupply = 400*10**18;
    function SumSwapCrown() public 
    {
        balances[msg.sender] = totalSupply;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"fromAddress","type":"address"},{"indexed":true,"name":"toAddress","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}]

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

2806:296:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2854:35;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2854:35:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8:100:-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;2854:35:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2179:206;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2179:206:0;;;;;;;;;;;;;;;;;;;;;;;;;;;2966:36;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2966:36:0;;;;;;;;;;;;;;;;;;;;1644:403;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1644:403:0;;;;;;;;;;;;;;2934:25;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2934:25:0;;;;2546:253;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2546:253:0;;;;;2055:116;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2055:116:0;;;;;;;2896:31;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2896:31:0;;;;1360:276;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1360:276:0;;;;;;;;;2393:145;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;2393:145:0;;;;;;;;;;;;2854:35;;;;;;;;;;;;;;;-1:-1:-1;;2854:35:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;2179:206::-;2276:10;2243:12;2268:19;;;:7;:19;;;;;;;;;:29;;;;;;;;;;;:38;;;2317;;;;;;;2243:12;;2268:29;;2276:10;;2317:38;;;;;;;;-1:-1:-1;2373:4:0;2179:206;;;;:::o;2966:36::-;;;;:::o;1644:403::-;1765:14;;;;1723:12;1765:14;;;:7;:14;;;;;;;;1780:10;1765:26;;;;;;;;1828:13;;;;;:8;:13;;;;;;1723:12;;1765:26;1820:30;;1843:6;1820:7;:30::i;:::-;1804:13;;;;;;;;:8;:13;;;;;;:46;;;;1887:15;;;;;;;1879:32;;1904:6;1879:7;:32::i;:::-;1861:15;;;;;;;:8;:15;;;;;:50;1951:27;1959:10;1971:6;1951:7;:27::i;:::-;1922:14;;;;;;;;:7;:14;;;;;;;;1937:10;1922:26;;;;;;;;:56;;;;1989:28;;;;;;;;;;;1922:14;;1989:28;;;;;;;;;;;-1:-1:-1;2035:4:0;;1644:403;-1:-1:-1;;;;1644:403:0:o;2934:25::-;;;;:::o;2546:253::-;2639:10;2592:12;2630:20;;;:8;:20;;;;;;:30;-1:-1:-1;2630:30:0;2622:39;;;;;;2681:10;2672:20;;;;:8;:20;;;;;;;;:30;;;;;;;2713:21;;;;;;;;2745:24;;;;;;;;;;;;;;;;;-1:-1:-1;2787:4:0;2546:253;;;:::o;2055:116::-;2147:16;;2115:12;2147:16;;;:8;:16;;;;;;;2055:116::o;2896:31::-;;;;;;;;;;;;;;;-1:-1:-1;;2896:31:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1360:276;1485:10;1420:12;1476:20;;;:8;:20;;;;;;1468:37;;1498:6;1468:7;:37::i;:::-;1454:10;1445:20;;;;:8;:20;;;;;;:60;;;;:20;1540:13;;;;;;1532:30;;1555:6;1532:7;:30::i;:::-;1516:13;;;;;;;:8;:13;;;;;;;;;:46;;;;1573:33;;;;;;;1516:13;;1582:10;;1573:33;;;;;;;;;;-1:-1:-1;1624:4:0;1360:276;;;;:::o;2393:145::-;2505:15;;;;2471:14;2505:15;;;:7;:15;;;;;;;;:25;;;;;;;;;;;;;2393:145::o;353:149::-;409:4;435:5;;;458:6;;;;;;:16;;;473:1;468;:6;;458:16;451:24;;;;;;493:1;353:149;-1:-1:-1;;;353:149:0:o;227:118::-;283:4;307:6;;;;300:14;;;;-1:-1:-1;332:5:0;;;227:118::o

bzzr://9363fdfc0cfa21a50dece79222bced8b68e06933a09bed94b89d76b8f9d3accd