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

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2019-01-25
*/

pragma solidity ^0.4.24;

library SafeMath {
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0) {
      return 0;
    }
    uint256 c = a * b;
    assert(c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    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;
  }
}

contract HAI {
    
    using SafeMath for uint256;
    
    string public name = "HAI";      //  token name
    
    string public symbol = "HAI";           //  token symbol
    
    uint256 public decimals = 8;            //  token digit

    mapping (address => uint256) public balanceOf;
    
    mapping (address => mapping (address => uint256)) public allowance;
 
    
    uint256 public totalSupply = 0;

    uint256 constant valueFounder = 1000000000000000000;
    
    

    modifier validAddress {
        assert(0x0 != msg.sender);
        _;
    }
    
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
    
    constructor() public {

        totalSupply = valueFounder;
        balanceOf[msg.sender] = valueFounder;
        emit Transfer(0x0, msg.sender, valueFounder);
    }
    
    function _transfer(address _from, address _to, uint256 _value) private {
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        balanceOf[_from] = balanceOf[_from].sub(_value);
        balanceOf[_to] = balanceOf[_to].add(_value);
        emit Transfer(_from, _to, _value);
    }
    
    function transfer(address _to, uint256 _value) validAddress public returns (bool success) {
        _transfer(msg.sender, _to, _value);
        return true;
    }

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

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

• 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":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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

bzzr://3ecd91b87b692922bba7b8fe74a96afca8c7b41701f9f408b2f3365198e15d31