ERC-20
Overview
Max Total Supply
20,187 nCore
Holders
20,187
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 0 Decimals)
Balance
1 nCoreValue
$0.00Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
NucleusVisionCoreToken
Compiler Version
v0.4.19+commit.c4cbbb05
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-03-09 */ pragma solidity ^0.4.18; contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } } contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public view returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract MintableToken is StandardToken, Ownable { event Mint(address indexed to, uint256 amount); event MintFinished(); bool public mintingFinished = false; modifier canMint() { require(!mintingFinished); _; } /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; } } contract NucleusVisionCoreToken is MintableToken { string public constant name = "NucleusVisionCore"; string public constant symbol = "nCore"; uint8 public constant decimals = 0; /** * @dev totalSupply is not set as we don't know how many investors will get the core token */ function NucleusVisionCoreToken() public { } /** * @dev Function to mint tokens * @param recipients The list of addresses eligible to get a NucleusVisionCoreToken */ function mintCoreToken(address[] recipients) onlyOwner public { for( uint i = 0 ; i < recipients.length ; i++ ){ address recipient = recipients[i]; if(balances[recipient] == 0 ){ super.mint(recipient, 1); } } } // nCore tokens are not transferrable function transfer(address, uint) public returns (bool){ revert(); } function transferFrom(address, address, uint) public returns (bool){ revert(); } function approve(address, uint) public returns (bool){ revert(); } function allowance(address, address) constant public returns (uint){ return 0; } } 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 Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"name":"approve","outputs":[{"name":"","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":"recipients","type":"address[]"}],"name":"mintCoreToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"},{"name":"","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"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":"","type":"address"},{"name":"","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","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"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","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"},{"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"}]
Contract Creation Code
60606040526003805460a060020a60ff0219169055341561001f57600080fd5b60038054600160a060020a03191633600160a060020a0316179055610917806100496000396000f3006060604052600436106100f05763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166305d2035b81146100f557806306fdde031461011c578063095ea7b3146101a657806318160ddd146101c8578063189f9041146101ed57806323b872dd1461023e578063313ce5671461026657806340c10f191461028f57806366188463146102b157806370a08231146102d35780637d64bcb4146102f25780638da5cb5b1461030557806395d89b4114610334578063a9059cbb146101a6578063d73dd62314610347578063dd62ed3e14610369578063f2fde38b1461038e575b600080fd5b341561010057600080fd5b6101086103ad565b604051901515815260200160405180910390f35b341561012757600080fd5b61012f6103bd565b60405160208082528190810183818151815260200191508051906020019080838360005b8381101561016b578082015183820152602001610153565b50505050905090810190601f1680156101985780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34156101b157600080fd5b610108600160a060020a03600435166024356103f4565b34156101d357600080fd5b6101db6103fb565b60405190815260200160405180910390f35b34156101f857600080fd5b61023c600460248135818101908301358060208181020160405190810160405280939291908181526020018383602002808284375094965061040195505050505050565b005b341561024957600080fd5b610108600160a060020a03600435811690602435166044356103f4565b341561027157600080fd5b610279610484565b60405160ff909116815260200160405180910390f35b341561029a57600080fd5b610108600160a060020a0360043516602435610489565b34156102bc57600080fd5b610108600160a060020a0360043516602435610596565b34156102de57600080fd5b6101db600160a060020a0360043516610690565b34156102fd57600080fd5b6101086106ab565b341561031057600080fd5b610318610736565b604051600160a060020a03909116815260200160405180910390f35b341561033f57600080fd5b61012f610745565b341561035257600080fd5b610108600160a060020a036004351660243561077c565b341561037457600080fd5b6101db600160a060020a0360043581169060243516610820565b341561039957600080fd5b61023c600160a060020a0360043516610828565b60035460a060020a900460ff1681565b60408051908101604052601181527f4e75636c657573566973696f6e436f7265000000000000000000000000000000602082015281565b6000806000fd5b60005481565b600354600090819033600160a060020a0390811691161461042157600080fd5b600091505b825182101561047f5782828151811061043b57fe5b90602001906020020151600160a060020a038116600090815260016020526040902054909150151561047457610472816001610489565b505b600190910190610426565b505050565b600081565b60035460009033600160a060020a039081169116146104a757600080fd5b60035460a060020a900460ff16156104be57600080fd5b6000546104d1908363ffffffff6108c316565b6000908155600160a060020a0384168152600160205260409020546104fc908363ffffffff6108c316565b600160a060020a0384166000818152600160205260409081902092909255907f0f6798a560793a54c3bcfe86a93cde1e73087d944c0ea20544137d41213968859084905190815260200160405180910390a2600160a060020a03831660007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8460405190815260200160405180910390a350600192915050565b600160a060020a033381166000908152600260209081526040808320938616835292905290812054808311156105f357600160a060020a03338116600090815260026020908152604080832093881683529290529081205561062a565b610603818463ffffffff6108d916565b600160a060020a033381166000908152600260209081526040808320938916835292905220555b600160a060020a0333811660008181526002602090815260408083209489168084529490915290819020547f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925915190815260200160405180910390a35060019392505050565b600160a060020a031660009081526001602052604090205490565b60035460009033600160a060020a039081169116146106c957600080fd5b60035460a060020a900460ff16156106e057600080fd5b6003805474ff0000000000000000000000000000000000000000191660a060020a1790557fae5184fba832cb2b1f702aca6117b8d265eaf03ad33eb133f19dde0f5920fa0860405160405180910390a150600190565b600354600160a060020a031681565b60408051908101604052600581527f6e436f7265000000000000000000000000000000000000000000000000000000602082015281565b600160a060020a0333811660009081526002602090815260408083209386168352929052908120546107b4908363ffffffff6108c316565b600160a060020a0333811660008181526002602090815260408083209489168084529490915290819020849055919290917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591905190815260200160405180910390a350600192915050565b600092915050565b60035433600160a060020a0390811691161461084357600080fd5b600160a060020a038116151561085857600080fd5b600354600160a060020a0380831691167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a36003805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b6000828201838110156108d257fe5b9392505050565b6000828211156108e557fe5b509003905600a165627a7a72305820ffd18b8406d2e3ec3661b037ce7c66181c1696eda08313234988d8e8820aba9d0029
Deployed Bytecode
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
Swarm Source
bzzr://ffd18b8406d2e3ec3661b037ce7c66181c1696eda08313234988d8e8820aba9d
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.