Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

library SafeMath    - function add(uint a, uint b)    - function sub(uint a, uint b)    - function mul(uint a, uint b)    - function div(uint a, uint b)  contract ERC20Interface    - function totalSupply()    - function balanceOf(address tokenOwner ...    - function allowance(address tokenOwner ...    - function transfer(address to, uint to ...    - function approve(address spender, uin ...    - function transferFrom(address from, a ...  contract ApproveAndCallFallBack    - function receiveApproval(address from ...  contract Owned    - function transferOwnership(address _n ...    - function acceptOwnership()  contract FixedSupplyToken is ERC20 ... *    - function totalSupply()    - function balanceOf(address tokenOwner ...    - function transfer(address to, uint to ...    - function approve(address spender, uin ...    - function transferFrom(address from, a ...    - function allowance(address tokenOwner ...    - function approveAndCall(address spend ...    - function ()    - function transferAnyERC20Token(addres ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-08-01
*/

pragma solidity ^0.4.24;

// ----------------------------------------------------------------------------
// 'BCAC' 'BCAChain Initial Token' ERC-20 token contract
//
// Symbol      : BCAC
// Name        : BCAChain Initial Token
// Total supply: 2,200,000,000.000000000000000000
// Decimals    : 18
//
// ----------------------------------------------------------------------------


// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
library SafeMath {
    function add(uint a, uint b) internal pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function sub(uint a, uint b) internal pure returns (uint c) {
        require(b <= a);
        c = a - b;
    }
    function mul(uint a, uint b) internal pure returns (uint c) {
        c = a * b;
        require(a == 0 || c / a == b);
    }
    function div(uint a, uint b) internal pure returns (uint c) {
        require(b > 0);
        c = a / b;
    }
}


// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
    function totalSupply() public constant returns (uint);
    function balanceOf(address tokenOwner) public constant returns (uint balance);
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

    event Transfer(address indexed from, address indexed to, uint tokens);
    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}


// ----------------------------------------------------------------------------
// Contract function to receive approval and execute function in one call
//
// Borrowed from MiniMeToken
// ----------------------------------------------------------------------------
contract ApproveAndCallFallBack {
    function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}


// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
    address public owner;
    address public newOwner;

    event OwnershipTransferred(address indexed _from, address indexed _to);

    constructor() public {
        owner = msg.sender;
    }

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

    function transferOwnership(address _newOwner) public onlyOwner {
        newOwner = _newOwner;
    }
    function acceptOwnership() public {
        require(msg.sender == newOwner);
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
        newOwner = address(0);
    }
}


// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and a
// fixed supply
// ----------------------------------------------------------------------------
contract FixedSupplyToken is ERC20Interface, Owned {
    using SafeMath for uint;

    string public symbol;
    string public  name;
    uint8 public decimals;
    uint _totalSupply;

    mapping(address => uint) balances;
    mapping(address => mapping(address => uint)) allowed;


    // ------------------------------------------------------------------------
    // Constructor
    // ------------------------------------------------------------------------
    constructor() public {
        symbol = "BCAC";
        name = "BCAChain Initial Token";
        decimals = 18;
        _totalSupply = 2200000000 * 10**uint(decimals);
        balances[owner] = _totalSupply;
        emit Transfer(address(0), owner, _totalSupply);
    }


    // ------------------------------------------------------------------------
    // Total supply
    // ------------------------------------------------------------------------
    function totalSupply() public view returns (uint) {
        return _totalSupply.sub(balances[address(0)]);
    }


    // ------------------------------------------------------------------------
    // Get the token balance for account `tokenOwner`
    // ------------------------------------------------------------------------
    function balanceOf(address tokenOwner) public view returns (uint balance) {
        return balances[tokenOwner];
    }


    // ------------------------------------------------------------------------
    // Transfer the balance from token owner's account to `to` account
    // - Owner's account must have sufficient balance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transfer(address to, uint tokens) public returns (bool success) {
        balances[msg.sender] = balances[msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(msg.sender, to, tokens);
        return true;
    }


    // ------------------------------------------------------------------------
    // Token owner can approve for `spender` to transferFrom(...) `tokens`
    // from the token owner's account
    //
    // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
    // recommends that there are no checks for the approval double-spend attack
    // as this should be implemented in user interfaces 
    // ------------------------------------------------------------------------
    function approve(address spender, uint tokens) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        return true;
    }


    // ------------------------------------------------------------------------
    // Transfer `tokens` from the `from` account to the `to` account
    // 
    // The calling account must already have sufficient tokens approve(...)-d
    // for spending from the `from` account and
    // - From account must have sufficient balance to transfer
    // - Spender must have sufficient allowance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transferFrom(address from, address to, uint tokens) public returns (bool success) {
        balances[from] = balances[from].sub(tokens);
        allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(from, to, tokens);
        return true;
    }


    // ------------------------------------------------------------------------
    // Returns the amount of tokens approved by the owner that can be
    // transferred to the spender's account
    // ------------------------------------------------------------------------
    function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
        return allowed[tokenOwner][spender];
    }


    // ------------------------------------------------------------------------
    // Token owner can approve for `spender` to transferFrom(...) `tokens`
    // from the token owner's account. The `spender` contract function
    // `receiveApproval(...)` is then executed
    // ------------------------------------------------------------------------
    function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
        return true;
    }


    // ------------------------------------------------------------------------
    // Don't accept ETH
    // ------------------------------------------------------------------------
    function () public payable {
        revert();
    }


    // ------------------------------------------------------------------------
    // Owner can transfer out any accidentally sent ERC20 tokens
    // ------------------------------------------------------------------------
    function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
        return ERC20Interface(tokenAddress).transfer(owner, tokens);
    }
}

• 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":"tokens","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":"tokens","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":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"acceptOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","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":"tokens","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"tokens","type":"uint256"},{"name":"data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"newOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenAddress","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transferAnyERC20Token","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"tokenOwner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","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":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"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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

bzzr://0cc895c2777264f9b5e8263a41293a89e67a866c6fe9fdb39228ce25812e1bf8