ETH Price: $3,364.28 (-1.53%)
Gas: 8 Gwei

Token

IOT Chain (ITC)
 

Overview

Max Total Supply

99,999,998.999999999999999999 ITC

Holders

20,313 (0.00%)

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
temmyjen.eth
Balance
1 ITC

Value
$0.00
0x3a550BFCE7ec1C5e688F5255424dA6F7407DeDeE
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OVERVIEW

IoT Chain aims to be a A High Security Lite IoT OS

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
TokenERC20

Compiler Version
v0.4.17+commit.bdeb9e52

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2017-11-24
*/

pragma solidity ^0.4.16;

interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }

contract TokenERC20 {
    // Public variables of the token
    string public name = "IOT on Chain";
    string public symbol = "ITC";
    uint256 public decimals = 18;
    // 18 decimals is the strongly suggested default, avoid changing it
    uint256 public totalSupply = 100*1000*1000*10**decimals;

    // This creates an array with all balances
    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    // This generates a public event on the blockchain that will notify clients
    event Transfer(address indexed from, address indexed to, uint256 value);

    // This notifies clients about the amount burnt
    event Burn(address indexed from, uint256 value);

    /**
     * Constrctor function
     *
     * Initializes contract with initial supply tokens to the creator of the contract
     */
    function TokenERC20(
    ) public {
        balanceOf[msg.sender] = totalSupply;                // Give the creator all initial tokens
    }

    /**
     * Internal transfer, only can be called by this contract
     */
    function _transfer(address _from, address _to, uint _value) internal {
        // Prevent transfer to 0x0 address. Use burn() instead
        require(_to != 0x0);
        // Check if the sender has enough
        require(balanceOf[_from] >= _value);
        // Check for overflows
        require(balanceOf[_to] + _value > balanceOf[_to]);
        // Save this for an assertion in the future
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        // Subtract from the sender
        balanceOf[_from] -= _value;
        // Add the same to the recipient
        balanceOf[_to] += _value;
        Transfer(_from, _to, _value);
        // Asserts are used to use static analysis to find bugs in your code. They should never fail
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }

    /**
     * Transfer tokens
     *
     * Send `_value` tokens to `_to` from your account
     *
     * @param _to The address of the recipient
     * @param _value the amount to send
     */
    function transfer(address _to, uint256 _value) public {
        _transfer(msg.sender, _to, _value);
    }

    /**
     * Transfer tokens from other address
     *
     * Send `_value` tokens to `_to` in behalf of `_from`
     *
     * @param _from The address of the sender
     * @param _to The address of the recipient
     * @param _value the amount to send
     */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= allowance[_from][msg.sender]);     // Check allowance
        allowance[_from][msg.sender] -= _value;
        _transfer(_from, _to, _value);
        return true;
    }

    /**
     * Set allowance for other address
     *
     * Allows `_spender` to spend no more than `_value` tokens in your behalf
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     */
    function approve(address _spender, uint256 _value) public
        returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        return true;
    }

    /**
     * Set allowance for other address and notify
     *
     * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     * @param _extraData some extra information to send to the approved contract
     */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData)
        public
        returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, this, _extraData);
            return true;
        }
    }

    /**
     * Destroy tokens
     *
     * Remove `_value` tokens from the system irreversibly
     *
     * @param _value the amount of money to burn
     */
    function burn(uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
        balanceOf[msg.sender] -= _value;            // Subtract from the sender
        totalSupply -= _value;                      // Updates totalSupply
        Burn(msg.sender, _value);
        return true;
    }

    /**
     * Destroy tokens from other account
     *
     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
     *
     * @param _from the address of the sender
     * @param _value the amount of money to burn
     */
    function burnFrom(address _from, uint256 _value) public returns (bool success) {
        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
        require(_value <= allowance[_from][msg.sender]);    // Check allowance
        balanceOf[_from] -= _value;                         // Subtract from the targeted balance
        allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
        totalSupply -= _value;                              // Update totalSupply
        Burn(_from, _value);
        return true;
    }
}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","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":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","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":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","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"},{"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":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}]

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Deployed Bytecode

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

Swarm Source

bzzr://eb4540246e9037de0edcca9e277f90c23230a589e96612a908bcfcb50cfce15b
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