Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

library SafeMath    - function mul(uint256 a, uint256 b)    - function div(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b)    - function add(uint256 a, uint256 b)    - function max64(uint64 a, uint64 b)    - function min64(uint64 a, uint64 b)    - function max256(uint256 a, uint256 b)    - function min256(uint256 a, uint256 b)  contract Ownable    - function Ownable()    - function transferOwnership(address ne ...    - function destruct()  contract ERC20Basic    - function balanceOf(address who)    - function transfer(address to, uint256 ...  contract ERC20 is ERC20Basic    - function allowance(address owner, add ...    - function transferFrom(address from, a ...    - function approve(address spender, uin ...  contract BasicToken is ERC20Basic    - function transfer(address _to, uint25 ...    - function balanceOf(address _owner)  contract StandardToken is BasicTok ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...  contract COC is StandardToken, Own ... *    - function COC()    - function ()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2019-11-18
*/

pragma solidity ^0.4.18;
library SafeMath {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a * b;
        assert(a == 0 || c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a / b;
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }

    function max64(uint64 a, uint64 b) internal pure returns (uint64) {
        return a >= b ? a : b;
    }

    function min64(uint64 a, uint64 b) internal pure returns (uint64) {
        return a < b ? a : b;
    }

    function max256(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    function min256(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

}
contract Ownable {
    address public owner;
    function Ownable() public {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        if (msg.sender != owner) {
            revert();
        }
        _;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        if (newOwner != address(0)) {
            owner = newOwner;
        }
    }

    function destruct() public onlyOwner {
        selfdestruct(owner);
    }
}
contract ERC20Basic {
    function balanceOf(address who) public constant returns (uint256);
	function transfer(address to, uint256 value) public returns (bool success);
    event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
    function allowance(address owner, address spender) public constant returns (uint256);
    function transferFrom(address from, address to, uint256 value) public;
    function approve(address spender, uint256 value) public returns (bool success);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract BasicToken is ERC20Basic {
    using SafeMath for uint256;

    mapping(address => uint256) balances;
    uint256 public totalSupply;

    modifier onlyPayloadSize(uint256 size) {
        if(msg.data.length < size + 4) {
            revert();
        }
        _;
    }

    function transfer(address _to, uint256 _value) public returns (bool success) {
        require(_to != address(0));
        require(_value <= balances[msg.sender]);

        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        Transfer(msg.sender, _to, _value);
		return true;
    }

    function balanceOf(address _owner) public constant returns (uint256 balance) {
        return balances[_owner];
    }

}
contract StandardToken is BasicToken, ERC20 {

    mapping (address => mapping (address => uint256)) allowed;

    function transferFrom(address _from, address _to, uint256 _value) public onlyPayloadSize(3 * 32) {
        require(_to != address(0));
        require(_value <= balances[_from]);
        require(_value <= allowed[_from][msg.sender]);

        var _allowance = allowed[_from][msg.sender];
        balances[_to] = balances[_to].add(_value);
        balances[_from] = balances[_from].sub(_value);
        allowed[_from][msg.sender] = _allowance.sub(_value);
        Transfer(_from, _to, _value);
    }

    function approve(address _spender, uint256 _value) public returns (bool success) {
        if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();

        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
		return true;
    }

    function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }
}
contract COC is StandardToken, Ownable {

    string public constant name = "COC原油币";
    string public constant symbol = "COC";
    uint8 public constant decimals = 18;

    function COC() public {
        owner = msg.sender;
        totalSupply=10000000000000000000000000000;
        balances[owner]=totalSupply;
    }

    function () public {
        revert();
    }
}

• 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":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"destruct","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","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":"owner","outputs":[{"name":"","type":"address"}],"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"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"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":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

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

4063:393:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;4437:8;;;4111:44;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:2;8:100;;;99:1;94:3;90;84:5;71:3;;;64:6;52:2;45:3;8:100;;;12:14;3:109;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3619:283:0;;;;;;;;;;-1:-1:-1;;;;;3619:283:0;;;;;;;;;;;;;;;;;;;;;;;;2320:26;;;;;;;;;;;;;;;;;;;;;;;;;;;3103:508;;;;;;;;;;-1:-1:-1;;;;;3103:508:0;;;;;;;;;;;;;;1496:75;;;;;;;;;;;;4206:35;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2858:119;;;;;;;;;;-1:-1:-1;;;;;2858:119:0;;;;;1120:20;;;;;;;;;;;;;;;-1:-1:-1;;;;;1120:20:0;;;;;;;;;;;;;;4162:37;;;;;;;;;;;;2498:352;;;;;;;;;;-1:-1:-1;;;;;2498:352:0;;;;;;;3910:148;;;;;;;;;;-1:-1:-1;;;;;3910:148:0;;;;;;;;;;1337:151;;;;;;;;;;-1:-1:-1;;;;;1337:151:0;;;;;4111:44;;;;;;;;;;;;;;;;;;:::o;3619:283::-;3686:12;3716:11;;;;;3715:53;;-1:-1:-1;;;;;;3741:10:0;3733:19;;;;;;:7;:19;;;;;;;;:29;;;;;;;;;;:34;;3715:53;3711:67;;;3770:8;;;3711:67;-1:-1:-1;;;;;3799:10:0;3791:19;;;;;;:7;:19;;;;;;;;:29;;;;;;;;;;;;;;:38;;;3840;;3823:6;;3840:38;;;;;;;;;;;;;-1:-1:-1;3890:4:0;3619:283;;;;:::o;2320:26::-;;;;:::o;3103:508::-;3351:14;3192:6;2426:8;2408;:26;2405:66;;;2451:8;;;2405:66;-1:-1:-1;;;;;3219:17:0;;;;3211:26;;;;;;-1:-1:-1;;;;;3266:15:0;;:8;:15;;;;;;;;;;;3256:25;;;3248:34;;;;;;-1:-1:-1;;;;;3311:14:0;;;;;;;:7;:14;;;;;;;;3326:10;3311:26;;;;;;;;;;3301:36;;;3293:45;;;;;;-1:-1:-1;;;;;3368:14:0;;;;;;;:7;:14;;;;;;;;3383:10;3368:26;;;;;;;;;;3421:13;;;;;;;;;;;;3368:26;;-1:-1:-1;3421:25:0;;3439:6;3421:25;:17;:25;:::i;:::-;-1:-1:-1;;;;;3405:13:0;;;:8;:13;;;;;;;;;;;:41;;;;3475:15;;;;;;;:27;;3495:6;3475:27;:19;:27;:::i;:::-;-1:-1:-1;;;;;3457:15:0;;:8;:15;;;;;;;;;;:45;3542:22;:10;3557:6;3542:22;:14;:22;:::i;:::-;-1:-1:-1;;;;;3513:14:0;;;;;;;:7;:14;;;;;;;;3528:10;3513:26;;;;;;;;;;;:51;;;;3575:28;;;;;;3596:6;;3575:28;;;;;;;;;;;;;3103:508;;;;;:::o;1496:75::-;1268:5;;1254:10;-1:-1:-1;;;;;1254:19:0;;;1268:5;;1254:19;1250:60;;1290:8;;;1250:60;1557:5;;-1:-1:-1;;;;;1557:5:0;1544:19;4206:35;4239:2;4206:35;:::o;2858:119::-;-1:-1:-1;;;;;2953:16:0;2918:15;2953:16;;;;;;;;;;;;2858:119::o;1120:20::-;;;-1:-1:-1;;;;;1120:20:0;;:::o;4162:37::-;;;;;;;;;;;;;;;;;;:::o;2498:352::-;2561:12;-1:-1:-1;;;;;2594:17:0;;;;2586:26;;;;;;-1:-1:-1;;;;;2650:10:0;2641:20;:8;:20;;;;;;;;;;;2631:30;;;2623:39;;;;;;-1:-1:-1;;;;;2707:10:0;2698:20;:8;:20;;;;;;;;;;;:32;;2723:6;2698:32;:24;:32;:::i;:::-;-1:-1:-1;;;;;2684:10:0;2675:20;;:8;:20;;;;;;;;;;;:55;;;;2757:13;;;;;;;:25;;2775:6;2757:25;:17;:25;:::i;:::-;2741:8;:13;2750:3;-1:-1:-1;;;;;2741:13:0;-1:-1:-1;;;;;2741:13:0;;;;;;;;;;;;:41;;;;2814:3;-1:-1:-1;;;;;2793:33:0;2802:10;-1:-1:-1;;;;;2793:33:0;;2819:6;2793:33;;;;;;;;;;;;;;-1:-1:-1;2838:4:0;2498:352;;;;:::o;3910:148::-;-1:-1:-1;;;;;4025:15:0;;;3988:17;4025:15;;;:7;:15;;;;;;;;:25;;;;;;;;;;;;;3910:148::o;1337:151::-;1268:5;;1254:10;-1:-1:-1;;;;;1254:19:0;;;1268:5;;1254:19;1250:60;;1290:8;;;1250:60;-1:-1:-1;;;;;1414:22:0;;;1410:71;;1453:5;:16;;-1:-1:-1;;1453:16:0;-1:-1:-1;;;;;1453:16:0;;;;;1410:71;1337:151;:::o;480:147::-;538:7;570:5;;;593:6;;;;586:14;;;;618:1;480:147;-1:-1:-1;;;480:147:0:o;349:123::-;407:7;434:6;;;;427:14;;;;-1:-1:-1;459:5:0;;;349:123::o

bzzr://31dd0111e4e575e88838a63a90d5752016ee46afdb417184f79b43ed66aa21a7