Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

 contract BaseToken    - function _transfer(address _from, add ...    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...  contract CustomToken is BaseToken *    - function CustomToken()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2019-09-26
*/

pragma solidity ^0.4.19;

contract BaseToken {
    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 public totalSupply;

    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function _transfer(address _from, address _to, uint _value) internal {
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value > balanceOf[_to]);
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
        Transfer(_from, _to, _value);
    }

    function transfer(address _to, uint256 _value) public returns (bool success) {
        _transfer(msg.sender, _to, _value);
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= allowance[_from][msg.sender]);
        allowance[_from][msg.sender] -= _value;
        _transfer(_from, _to, _value);
        return true;
    }

    function approve(address _spender, uint256 _value) public returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }
}

contract CustomToken is BaseToken {
    function CustomToken() public {
        totalSupply = 100000000000000000000000000;
        name = 'Air Chain';
        symbol = 'KZCC';
        decimals = 18;
        balanceOf[0x2C68E65B85B5e42CC8C8B16D38f8f0B86d218Bf0] = totalSupply;
        Transfer(address(0), 0x2C68E65B85B5e42CC8C8B16D38f8f0B86d218Bf0, 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":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","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":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"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"},{"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"}]

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

1591:379:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;54:18;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:2;8:100;;;99:1;94:3;90;84:5;80:1;75:3;71;64:6;52:2;49:1;45:3;40:15;;8:100;;;12:14;3:109;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1373:211:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;134:26;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1092:273;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;106:21;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;169:45;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;79:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:2;8:100;;;99:1;94:3;90;84:5;80:1;75:3;71;64:6;52:2;49:1;45:3;40:15;;8:100;;;12:14;3:109;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;932:152:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;221:66;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;54:18;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;1373:211::-;1440:12;1499:6;1465:9;:21;1475:10;1465:21;;;;;;;;;;;;;;;:31;1487:8;1465:31;;;;;;;;;;;;;;;:40;;;;1537:8;1516:38;;1525:10;1516:38;;;1547:6;1516:38;;;;;;;;;;;;;;;;;;1572:4;1565:11;;1373:211;;;;:::o;134:26::-;;;;:::o;1092:273::-;1174:12;1217:9;:16;1227:5;1217:16;;;;;;;;;;;;;;;:28;1234:10;1217:28;;;;;;;;;;;;;;;;1207:6;:38;;1199:47;;;;;;;;1289:6;1257:9;:16;1267:5;1257:16;;;;;;;;;;;;;;;:28;1274:10;1257:28;;;;;;;;;;;;;;;;:38;;;;;;;;;;;1306:29;1316:5;1323:3;1328:6;1306:9;:29::i;:::-;1353:4;1346:11;;1092:273;;;;;:::o;106:21::-;;;;;;;;;;;;;:::o;169:45::-;;;;;;;;;;;;;;;;;:::o;79:20::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;932:152::-;995:12;1020:34;1030:10;1042:3;1047:6;1020:9;:34::i;:::-;1072:4;1065:11;;932:152;;;;:::o;221:66::-;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;460:464::-;676:21;555:3;548;:10;;;;540:19;;;;;;;;598:6;578:9;:16;588:5;578:16;;;;;;;;;;;;;;;;:26;;570:35;;;;;;;;650:9;:14;660:3;650:14;;;;;;;;;;;;;;;;641:6;624:9;:14;634:3;624:14;;;;;;;;;;;;;;;;:23;:40;616:49;;;;;;;;719:9;:14;729:3;719:14;;;;;;;;;;;;;;;;700:9;:16;710:5;700:16;;;;;;;;;;;;;;;;:33;676:57;;764:6;744:9;:16;754:5;744:16;;;;;;;;;;;;;;;;:26;;;;;;;;;;;799:6;781:9;:14;791:3;781:14;;;;;;;;;;;;;;;;:24;;;;;;;;;;;860:16;842:9;:14;852:3;842:14;;;;;;;;;;;;;;;;823:9;:16;833:5;823:16;;;;;;;;;;;;;;;;:33;:53;816:61;;;;;;904:3;888:28;;897:5;888:28;;;909:6;888:28;;;;;;;;;;;;;;;;;;460:464;;;;:::o

bzzr://6aa61d3b924cb74df46ea4458dfb2b8182f47ee88e48d9f2b83fd915600efb74