Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-11-08
*/

pragma solidity ^0.4.25;



library SafeMath {

 
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
   
    if (a == 0) {
      return 0;
    }

    uint256 c = a * b;
    require(c / a == b);

    return c;
  }

  
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b > 0);
    uint256 c = a / b;
    
    return c;
  }

 
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b <= a);
    uint256 c = a - b;

    return c;
  }

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

    return c;
  }

  
  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0);
    return a % b;
  }
}


contract OilChainGlobal {
    mapping(address => uint256) public balances;
    mapping(address => mapping (address => uint256)) public allowed;
    using SafeMath for uint256;
    address public owner;
    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 public totalSupply;

    uint256 private constant MAX_UINT256 = 2**256 -1 ;

    event Transfer(address indexed from, address indexed to, uint tokens);
    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
    
    bool lock = false;

    constructor(
        uint256 _initialAmount,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol
    ) public {
        owner = msg.sender;
        balances[msg.sender] = _initialAmount;
        totalSupply = _initialAmount;
        name = _tokenName;
        decimals = _decimalUnits;
        symbol = _tokenSymbol;
        
    }
	
	
	modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

    modifier isLock {
        require(!lock);
        _;
    }
    
    function setLock(bool _lock) onlyOwner public{
        lock = _lock;
    }

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

    function transfer(
        address _to,
        uint256 _value
    ) public returns (bool) {
        require(balances[msg.sender] >= _value);
        require(msg.sender == _to || balances[_to] <= MAX_UINT256 - _value);
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        emit Transfer(msg.sender, _to, _value);
        return true;
    }

    function transferFrom(
        address _from,
        address _to,
        uint256 _value
    ) public returns (bool) {
        uint256 allowance = allowed[_from][msg.sender];
        require(balances[_from] >= _value);
        require(_from == _to || balances[_to] <= MAX_UINT256 -_value);
        require(allowance >= _value);
        balances[_from] -= _value;
        balances[_to] += _value;
        if (allowance < MAX_UINT256) {
            allowed[_from][msg.sender] -= _value;
        }
        emit Transfer(_from, _to, _value);
        return true;
    }

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

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

    function allowance(
        address _owner,
        address _spender
    ) public view returns (uint256) {
        return allowed[_owner][_spender];
    }
}

• 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":"","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":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balances","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowed","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_lock","type":"bool"}],"name":"setLock","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","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":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","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":[{"name":"_initialAmount","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"tokenOwner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Approval","type":"event"}]

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

0000000000000000000000000000000000000000204fce5e3e250261100000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000f4f696c436861696e20476c6f62616c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034f43470000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _initialAmount (uint256): 10000000000000000000000000000
Arg [1] : _tokenName (string): OilChain Global
Arg [2] : _decimalUnits (uint8): 18
Arg [3] : _tokenSymbol (string): OCG

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000204fce5e3e25026110000000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000f
Arg [5] : 4f696c436861696e20476c6f62616c0000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [7] : 4f43470000000000000000000000000000000000000000000000000000000000

bzzr://5138874e830ca774ed1bdc86a794000ac9255b8f06a6ca6a31cb855e24e84d11