ERC-20
Artificial Intelligence
Overview
Max Total Supply
50,000,000 VXV
Holders
16,262 ( -0.012%)
Market
Price
$0.38 @ 0.000135 ETH (+0.08%)
Onchain Market Cap
$18,862,100.00
Circulating Supply Market Cap
$14,324,617.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
24 VXVValue
$9.05 ( ~0.00324796684486444 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
VXV
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 2018-10-02 */ pragma solidity ^0.4.24; contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public 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 view returns (uint); function balanceOf(address tokenOwner) public view returns (uint balance); function allowance(address tokenOwner, address spender) public view 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; } 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); // } } contract VXV is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public totalSupply; uint public rate; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; constructor() public { symbol = "VXV"; name = "VectorspaceAI"; decimals = 18; totalSupply = 50000000 * 10 ** uint256(decimals); rate = 203; balances[owner] = totalSupply; emit Transfer(address(0), owner, totalSupply); } function changeRate(uint newRate) public onlyOwner { require(newRate > 0); rate = newRate; } function totalSupply() public view returns (uint) { return totalSupply - balances[address(0)]; } function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } modifier validTo(address to) { require(to != address(0)); require(to != address(this)); _; } function transferInternal(address from, address to, uint tokens) internal { balances[from] = safeSub(balances[from], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); } function transfer(address to, uint tokens) public validTo(to) returns (bool success) { transferInternal(msg.sender, to, 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 validTo(to) returns (bool success) { allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); transferInternal(from, 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; } 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) { if (approve(spender, tokens)) { ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } } function () public payable { uint tokens; tokens = safeMul(msg.value, rate); balances[owner] = safeSub(balances[owner], tokens); balances[msg.sender] = safeAdd(balances[msg.sender], tokens); emit Transfer(address(0), msg.sender, tokens); owner.transfer(msg.value); } // ------------------------------------------------------------------------ // 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":"rate","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","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":"newRate","type":"uint256"}],"name":"changeRate","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":true,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"}],"name":"safeSub","outputs":[{"name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","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":true,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"}],"name":"safeDiv","outputs":[{"name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","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":"a","type":"uint256"},{"name":"b","type":"uint256"}],"name":"safeMul","outputs":[{"name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","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":true,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"}],"name":"safeAdd","outputs":[{"name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","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://275a644f34b70305ae151279642715ac71953b70d5059331e610d62138976c23
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