Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

•  contract ERC20token *
•    - function ERC20token(uint256 _initialA ...
•    - function transfer(address _to, uint25 ...
•    - function transferFrom(address _from, ...
•    - function balanceOf(address _owner)
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2019-04-13
*/

pragma solidity ^0.4.18;

contract ERC20token{
    uint256 public totalSupply;
    string public name;
    uint8 public decimals;
    string public symbol;
    
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
    
    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;
    
    function ERC20token(uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) public {
        totalSupply = _initialAmount * 10 ** uint256(_decimalUnits);
        balances[msg.sender] = totalSupply;
        name = _tokenName;
        decimals = _decimalUnits;
        symbol = _tokenSymbol;
    }

    function transfer(address _to, uint256 _value) public returns (bool success) {
        require(balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]);
        require(_to != 0x0);
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        Transfer(msg.sender, _to, _value);
        return true;
    }
    
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
        balances[_to] += _value;
        balances[_from] -= _value;
        allowed[_from][msg.sender] -= _value;
        Transfer(_from, _to, _value);
        return true;
    }
    
    function balanceOf(address _owner) public constant returns (uint256 balance) {
        return balances[_owner];
    }
    
    function approve(address _spender, uint256 _value) public returns (bool success)
    {
        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];
    }
}

• 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":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","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":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","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":"_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://c207f36aaa630a3a612c205cf977e590fb48a0786f8c47ea7b270ed6ce341ad5