ERC-20
Education
Overview
Max Total Supply
300,000,000 F1C
Holders
449 (0.00%)
Market
Price
$0.00 @ 0.000000 ETH (+2.60%)
Onchain Market Cap
$107,365.77
Circulating Supply Market Cap
$0.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
11,700 F1CValue
$4.19 ( ~0.00166318201366255 Eth) [0.0039%]Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
FUTURE1COIN
Compiler Version
v0.4.20+commit.3155dd80
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-02-16 */ pragma solidity 0.4.20; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ 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 ERC20 { function totalSupply()public view returns (uint total_Supply); function balanceOf(address _owner)public view returns (uint256 balance); function allowance(address _owner, address _spender)public view returns (uint remaining); function transferFrom(address _from, address _to, uint _amount)public returns (bool ok); function approve(address _spender, uint _amount)public returns (bool ok); function transfer(address _to, uint _amount)public returns (bool ok); event Transfer(address indexed _from, address indexed _to, uint _amount); event Approval(address indexed _owner, address indexed _spender, uint _amount); } contract FUTURE1COIN is ERC20 {using SafeMath for uint256; string public constant symbol = "F1C"; string public constant name = "FUTURE1COIN"; uint public constant decimals = 18; uint256 _totalSupply = 300000000 * 10 ** 18; // 300 Million Total Supply including 18 decimal // Owner of this contract 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; // Functions with this modifier can only be executed by the owner modifier onlyOwner() { if (msg.sender != owner) { revert(); } _; } // Constructor function FUTURE1COIN () public { owner = msg.sender; balances[owner] = _totalSupply; } // what is the total supply of the ech tokens function totalSupply() public view returns (uint256 total_Supply) { total_Supply = _totalSupply; } // What is the balance of a particular account? function balanceOf(address _owner)public view 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 ok) { require( _to != 0x0); require(balances[msg.sender] >= _amount && _amount >= 0); balances[msg.sender] = (balances[msg.sender]).sub(_amount); balances[_to] = (balances[_to]).add(_amount); Transfer(msg.sender, _to, _amount); return true; } // 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 ok) { require( _to != 0x0); require(balances[_from] >= _amount && allowed[_from][msg.sender] >= _amount && _amount >= 0); balances[_from] = (balances[_from]).sub(_amount); allowed[_from][msg.sender] = (allowed[_from][msg.sender]).sub(_amount); balances[_to] = (balances[_to]).add(_amount); Transfer(_from, _to, _amount); return true; } // 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 ok) { require( _spender != 0x0); allowed[msg.sender][_spender] = _amount; Approval(msg.sender, _spender, _amount); return true; } function allowance(address _owner, address _spender)public view returns (uint256 remaining) { require( _owner != 0x0 && _spender !=0x0); return allowed[_owner][_spender]; } }
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":"_amount","type":"uint256"}],"name":"approve","outputs":[{"name":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"total_Supply","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":"ok","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"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":"ok","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"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Approval","type":"event"}]
Contract Creation Code
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
Deployed Bytecode
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
Swarm Source
bzzr://6337c9e1b23297cb09c0fcfddc57cb06eb93c9721de6d641ed567506774171fe
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.