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ERC-20
Overview
Max Total Supply
21,000,000 0GOLD
Holders
30
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 8 Decimals)
Balance
10,000 0GOLDValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
ZeroGold
Compiler Version
v0.4.24+commit.e67f0147
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-07-13 */ pragma solidity ^0.4.23; /******************************************************************************* * * Copyright (c) 2018 Decentralization Authority MDAO. * Released under the MIT License. * * 0GOLD - ZeroGold * Version 18.7.4 * * https://d14na.org * [email protected] */ /******************************************************************************* * * SafeMath */ 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-token-standard.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); } /******************************************************************************* * * ApproveAndCallFallBack * * 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); } } /******************************************************************************* * * @notice ZeroGold DOES NOT HOLD ANY "OFFICIAL" AFFILIATION with ZeroNet Core, * ZeroNet.io nor any of its brands and affiliates. * * ZeroGold DOES currently stand as the "OFFICIAL" token of * Zeronet Explorer, Zer0net.com, 0net.io and each of their * respective brands and affiliates. * * Symbol : 0GOLD * Name : ZeroGold * Total supply : 21,000,000 * Decimals : 8 * * @dev This is a standard ERC20 token contract, utilizing SafeMath along * with a few additional public descriptors: * - name * - symbol * - title */ contract ZeroGold is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; /*************************************************************************** * * Constructor */ constructor() public { symbol = '0GOLD'; name = 'ZeroGold'; decimals = 8; _totalSupply = 21000000 * 10 ** uint(decimals); balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } /*************************************************************************** * * Total supply */ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } /*************************************************************************** * * Get the token balance for account `tokenOwner` */ function balanceOf(address tokenOwner) public constant 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 constant 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); } }
Contract Security Audit
- 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":"_totalSupply","outputs":[{"name":"","type":"uint256"}],"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"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://c8b712e910ab8dc06b8f5e1fb7b0f1eac0c04e76cf9e9c1f858ecda2eed305bf
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