Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

 contract BOX *    - function BOX()    - function ()    - 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 ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2017-12-24
*/

pragma solidity ^0.4.16;

// Copyright 2017. box.la authors.
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/issues/20
contract BOX {
    string public constant symbol = "BOX";
    string public constant name = "BOX Token";
    uint8 public constant decimals = 18;
    uint256 _totalSupply = (10 ** 8) * (10 ** 18);

    address public owner;

    // Balances for each account
    mapping(address => uint256) balances;
    // Owner of account approves the transfer of an amount to another account
    mapping(address => mapping (address => uint256)) allowed;

    // Constructor
    function BOX() public {
        owner = msg.sender;
        balances[owner] = _totalSupply;
    }

    // Send back ether sent to me
    function () public {
        revert();
    }

    function totalSupply() constant public returns (uint256) {
        return _totalSupply;
    }
    
    // What is the balance of a particular account?
    function balanceOf(address _owner) constant public returns (uint256 balance) {
        return balances[_owner];
    }

    // Transfer the balance from owner's account to another account
    function transfer(address _to, uint256 _amount) public 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;
        }
    }

    // Send _value amount of tokens from address _from to address _to
    // The transferFrom method is used for a withdraw workflow, allowing contracts to send
    // tokens on your behalf, for example to "deposit" to a contract address and/or to charge
    // fees in sub-currencies; the command should fail unless the _from account has
    // deliberately authorized the sender of the message via some mechanism; we propose
    // these standardized APIs for approval:
    function transferFrom(address _from, address _to, uint256 _amount) public 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;
        }
    }

    // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
    // If this function is called again it overwrites the current allowance with _value.
    function approve(address _spender, uint256 _amount) public returns (bool success) {
        allowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
        return true;
    }

    // Returns the amount which _spender is still allowed to withdraw from _owner
    function allowance(address _owner, address _spender) constant public returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

• 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":"_amount","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":"_amount","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":"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":"_amount","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":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"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://ee6b677b7a44af1538d838bfc259c58154fe9788bcb80e6c6e04ed38ee9cbc4e