Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

•  contract ERC20Interface
•    - function totalSupply()
•    - function balanceOf(address _owner)
•    - function transfer(address _to, uint25 ...
•    - function transferFrom(address _from, ...
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...
•  contract ECCToken is ERC20Interfac ... *
•    - function ECCToken()
•    - function tokenKeeperBalance()
•    - function totalSupply()
•    - function balanceOf(address _owner)
•    - function transfer(address _to, uint25 ...
•    - function transferFrom(
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...
•    - function changeTokenKeeper(address _t ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2020-07-01
*/

pragma solidity ^0.4.11;
 
contract ERC20Interface {

    function totalSupply() constant returns (uint256 totalSupply);
 
    function balanceOf(address _owner) constant returns (uint256 balance);
 
    function transfer(address _to, uint256 _value) returns (bool success);
 
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
 
    function approve(address _spender, uint256 _value) returns (bool success);
 
    function allowance(address _owner, address _spender) constant returns (uint256 remaining);
 
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
 
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
 
contract ECCToken is ERC20Interface {
    string public constant symbol = "ECC";
    string public constant name = "ECC Token";
    uint8 public constant decimals = 8;
    uint256 _totalSupply = 300000000000000000;
    
    address public tokenKeeper;
    
    address public owner;
 
    mapping(address => uint256) balances;
 
    mapping(address => mapping (address => uint256)) allowed;
 
    modifier onlyOwner() {
        if (msg.sender != owner) {
            throw;
        }
        _;
    }
 
    function ECCToken() {
        owner = msg.sender;
        tokenKeeper = msg.sender;
        balances[owner] = _totalSupply;
    }
    
    function tokenKeeperBalance() constant returns (uint256 balance) {
        return balances[tokenKeeper];
    }
 
    function totalSupply() constant returns (uint256 totalSupply) {
        totalSupply = _totalSupply;
    }
 
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }
 
    function transfer(address _to, uint256 _amount) returns (bool success) {
        if (balances[msg.sender] >= _amount 
            && _amount > 0
            && balances[_to] + _amount > balances[_to]) {
            balances[msg.sender] -= _amount;
            balances[_to] += _amount;
            Transfer(msg.sender, _to, _amount);
            return true;
        } else {
            return false;
        }
    }

    function transferFrom(
        address _from,
        address _to,
        uint256 _amount
    ) returns (bool success) {
        if (balances[_from] >= _amount
            && allowed[_from][msg.sender] >= _amount
            && _amount > 0
            && balances[_to] + _amount > balances[_to]) {
            balances[_from] -= _amount;
            allowed[_from][msg.sender] -= _amount;
            balances[_to] += _amount;
            Transfer(_from, _to, _amount);
            return true;
        } else {
            return false;
        }
    }
 
    function approve(address _spender, uint256 _amount) returns (bool success) {
        allowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
        return true;
    }
 
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }
    
    function changeTokenKeeper(address _tokenKeeper) public onlyOwner returns (bool success) {
        tokenKeeper = _tokenKeeper;
        return true;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"totalSupply","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"tokenKeeperBalance","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"tokenKeeper","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_tokenKeeper","type":"address"}],"name":"changeTokenKeeper","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"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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

744:2573:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;831:41;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18:2:-1;;13:3;7:5;32;59:3;53:5;48:3;41:6;93:2;88:3;85:2;78:6;73:3;67:5;-1:-1;;152:3;;;;117:2;108:3;;;;130;172:5;167:4;181:3;3:186;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2791:205:0;;;;;;;;-1:-1:-1;;;;;2791:205:0;;;;;;;;;;;;;;;;;;;;;;;;;1538:107;;;;;;;;;;;;;;;;;;;;;;;;;;2211:571;;;;;;;;-1:-1:-1;;;;;2211:571:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;879:34;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1654:112;;;;;;;;-1:-1:-1;;;;;1654:112:0;;;;;;;;;;;;;;;;;;;;;1013:20;;;;;;;;;;;;;;-1:-1:-1;;;;;1013:20:0;;;;;;;;;;;;;;787:37;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18:2:-1;;13:3;7:5;32;59:3;53:5;48:3;41:6;93:2;88:3;85:2;78:6;73:3;67:5;-1:-1;;152:3;;;;117:2;108:3;;;;130;172:5;167:4;181:3;3:186;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1417:112:0;;;;;;;;;;;;;;;;;;;;;;;;;;1775:428;;;;;;;;-1:-1:-1;;;;;1775:428:0;;;;;;;;;;;;;;;;;;;;;;;;;974:26;;;;;;;;;;;;;;-1:-1:-1;;;;;974:26:0;;;;;;;;;;;;;;3005:141;;;;;;;;-1:-1:-1;;;;;3005:141:0;;;;;;;;;;;;;;;;;;;;;;;;;;3158:156;;;;;;;;-1:-1:-1;;;;;3158:156:0;;;;;;;;;;;;;;;;;;;;;;;831:41;;;;;;;;;;;;;;;;;;;:::o;2791:205::-;-1:-1:-1;;;;;2885:10:0;2877:19;;2852:12;2877:19;;;:7;:19;;;;;;;;:29;;;;;;;;;;;;:39;;;2927;;;;;;;2852:12;;2877:29;:19;2927:39;;;;;;;;;;;-1:-1:-1;2984:4:0;2791:205;;;;;:::o;1538:107::-;1579:19;1625:12;1538:107;;:::o;2211:571::-;-1:-1:-1;;;;;2350:15:0;;2321:12;2350:15;;;:8;:15;;;;;;:26;;;;;;:80;;-1:-1:-1;;;;;;2393:14:0;;;;;;;:7;:14;;;;;;;;2408:10;2393:26;;;;;;;;;;:37;;;;2350:80;:108;;;;;2457:1;2447:7;:11;2350:108;:164;;;;-1:-1:-1;;;;;;2501:13:0;;;;;;:8;:13;;;;;;2475:23;;;:39;2350:164;2346:429;;;-1:-1:-1;;;;;2531:15:0;;;;;;;:8;:15;;;;;;;;:26;;;;;;;2572:7;:14;;;;;2587:10;2572:26;;;;;;;;;:37;;;;;;;2624:13;;;;;;;;;;;;;:24;;;;;;2663:29;;;;;;;2624:13;;2663:29;;;;;;;;;-1:-1:-1;2714:4:0;2707:11;;2346:429;-1:-1:-1;2758:5:0;2346:429;2211:571;;;;;;:::o;879:34::-;912:1;879:34;:::o;1654:112::-;-1:-1:-1;;;;;1742:16:0;;1707:15;1742:16;;;:8;:16;;;;;;1654:112;;;;:::o;1013:20::-;;;-1:-1:-1;;;;;1013:20:0;;:::o;787:37::-;;;;;;;;;;;;;;;;;;;:::o;1417:112::-;1509:11;;-1:-1:-1;;;;;1509:11:0;1465:15;1500:21;;;:8;:21;;;;;;1417:112;;:::o;1775:428::-;-1:-1:-1;;;;;1870:10:0;1861:20;1832:12;1861:20;;;:8;:20;;;;;;:31;;;;;;:60;;;1920:1;1910:7;:11;1861:60;:116;;;;-1:-1:-1;;;;;;1964:13:0;;;;;;:8;:13;;;;;;1938:23;;;:39;1861:116;1857:339;;;-1:-1:-1;;;;;2003:10:0;1994:20;;;;;;:8;:20;;;;;;;;:31;;;;;;;2040:13;;;;;;;;;;:24;;;;;;2079:34;;;;;;;2040:13;;2079:34;;;;;;;;;;;-1:-1:-1;2135:4:0;2128:11;;1857:339;-1:-1:-1;2179:5:0;2172:12;;1857:339;1775:428;;;;;:::o;974:26::-;;;-1:-1:-1;;;;;974:26:0;;:::o;3005:141::-;-1:-1:-1;;;;;3113:15:0;;;3076:17;3113:15;;;:7;:15;;;;;;;;:25;;;;;;;;;;3005:141;;;;;:::o;3158:156::-;1205:5;;3233:12;;1191:10;-1:-1:-1;;;;;1191:19:0;;;1205:5;;1191:19;1187:57;;1227:5;;;1187:57;-1:-1:-1;3258:11:0;:26;;-1:-1:-1;;3258:26:0;-1:-1:-1;;;;;3258:26:0;;;;;1254:1;3158:156;;;;:::o

bzzr://7941a497e507fdfd74c1a3f8d6702707d0f6fa9f5930fd702d778e486f931987