ETH Price: $2,515.28 (+1.51%)

Contract

0x1717cc8ea54933344A354303E57DBaB5c1de2f29
 

Overview

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0 ETH

Eth Value

$0.00

Multichain Info

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Transaction Hash
Method
Block
From
To
Anyone End ICO52107842018-03-07 5:11:302427 days ago1520399490IN
0x1717cc8e...5c1de2f29
0 ETH0.0008103820
Record Payment52074852018-03-06 15:43:302427 days ago1520351010IN
0x1717cc8e...5c1de2f29
0 ETH0.000389034.8
Transfer52071312018-03-06 14:23:212427 days ago1520346201IN
0x1717cc8e...5c1de2f29
0.0011 ETH0.000140832
Add To Whitelist52071252018-03-06 14:22:492427 days ago1520346169IN
0x1717cc8e...5c1de2f29
0 ETH0.000121984
Add To Whitelist52071232018-03-06 14:22:162427 days ago1520346136IN
0x1717cc8e...5c1de2f29
0 ETH0.000121984
Add To Whitelist52070922018-03-06 14:13:202427 days ago1520345600IN
0x1717cc8e...5c1de2f29
0 ETH0.000181984
Add To Whitelist52069962018-03-06 13:51:292427 days ago1520344289IN
0x1717cc8e...5c1de2f29
0 ETH0.000181984
Add To Whitelist52069932018-03-06 13:51:022427 days ago1520344262IN
0x1717cc8e...5c1de2f29
0 ETH0.000121734
Add To Whitelist52069902018-03-06 13:50:382427 days ago1520344238IN
0x1717cc8e...5c1de2f29
0 ETH0.000181734
Transfer52050382018-03-06 5:44:012428 days ago1520315041IN
0x1717cc8e...5c1de2f29
0.03 ETH0.000803348
Start ICO52050242018-03-06 5:41:372428 days ago1520314897IN
0x1717cc8e...5c1de2f29
0 ETH0.000282968
Add To Whitelist52050192018-03-06 5:40:162428 days ago1520314816IN
0x1717cc8e...5c1de2f29
0 ETH0.000227485
Update Eth ICO T...52050042018-03-06 5:35:512428 days ago1520314551IN
0x1717cc8e...5c1de2f29
0 ETH0.00138218
0x6060604052049802018-03-06 5:30:292428 days ago1520314229IN
 Contract Creation
0 ETH0.015540528

Latest 2 internal transactions

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Parent Transaction Hash Block From To
52071312018-03-06 14:23:212427 days ago1520346201
0x1717cc8e...5c1de2f29
0.0011 ETH
52050382018-03-06 5:44:012428 days ago1520315041
0x1717cc8e...5c1de2f29
0.03 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x3dc865e4...502f52B4f
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
DeepToken

Compiler Version
v0.4.15+commit.bbb8e64f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2018-03-28
*/

pragma solidity ^0.4.11;


/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal constant 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 constant returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}



/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) public constant returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}



/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) public constant 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);
}



/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
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));

    // 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 constant returns (uint256 balance) {
    return balances[_owner];
  }

}



/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) 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));

    uint256 _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = _allowance.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 constant returns (uint256 remaining) {
    return allowed[_owner][_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
   */
  function increaseApproval (address _spender, uint _addedValue)
    returns (bool success) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval (address _spender, uint _subtractedValue)
    returns (bool success) {
    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 DeepToken is StandardToken {

    using SafeMath for uint256;

    // data structures
    enum States {
    Initial, // deployment time
    ValuationSet, // set ICO parameters
    Ico, // whitelist addresses, accept funds, update balances
    Operational, // manage contests
    Paused // for contract upgrades
    }

    string public constant name = "DeepToken";

    string public constant symbol = "DTA";

    uint8 public constant decimals = 18;

    uint256 public constant pointMultiplier = (10 ** uint256(decimals));

    mapping (address => bool) public whitelist;

    address public initialHolder;

    address public stateControl;

    address public whitelistControl;

    address public withdrawControl;

    address public usdCurrencyFunding;

    States public state;

    uint256 public tokenPriceInWei;

    uint256 public percentForSale;

    uint256 public totalNumberOfTokensForSale;

    uint256 public silencePeriod;

    uint256 public startAcceptingFundsBlock;

    uint256 public endBlock;

    uint256 public etherBalance;

    uint256 public usdCentsBalance;

    uint256 public tokensSold;

    //this creates the contract and stores the owner. it also passes in 3 addresses to be used later during the lifetime of the contract.
    function DeepToken(address _stateControl, address _whitelistControl, address _withdraw, address _initialHolder, address _usdCurrencyFunding) {
        require (_initialHolder != address(0));
        require (_stateControl != address(0));
        require (_whitelistControl != address(0));
        require (_withdraw != address(0));
        require (_usdCurrencyFunding != address(0));
        initialHolder = _initialHolder;
        stateControl = _stateControl;
        whitelistControl = _whitelistControl;
        withdrawControl = _withdraw;
        usdCurrencyFunding = _usdCurrencyFunding;
        moveToState(States.Initial);
        totalSupply = 0;
        tokenPriceInWei = 0;
        percentForSale = 0;
        totalNumberOfTokensForSale = 0;
        silencePeriod = 0;
        startAcceptingFundsBlock = uint256(int256(-1));
        endBlock = 0;
        etherBalance = 0;
        usdCentsBalance = 0;
        tokensSold = 0;
        balances[initialHolder] = totalSupply;
    }

    event Whitelisted(address addr);

    event Dewhitelisted(address addr);

    event Credited(address addr, uint balance, uint txAmount);

    event USDCentsBalance(uint balance);

    event TokenByFiatCredited(address addr, uint balance, uint txAmount, uint256 requestId);

    event StateTransition(States oldState, States newState);

    modifier onlyWhitelist() {
        require(msg.sender == whitelistControl);
        _;
    }

    modifier onlyStateControl() {
        require(msg.sender == stateControl);
        _;
    }

    modifier requireState(States _requiredState) {
        require(state == _requiredState);
        _;
    }

    /**
    BEGIN ICO functions
    */

    //this is the main funding function, it updates the balances of DeepTokens during the ICO.
    //no particular incentive schemes have been implemented here
    //it is only accessible during the "ICO" phase.
    function() payable
    requireState(States.Ico)
    {
        require(msg.sender != whitelistControl);
        require(whitelist[msg.sender] == true);
        uint256 deepTokenIncrease = (msg.value * pointMultiplier) / tokenPriceInWei;
        require(getTokensAvailableForSale() >= deepTokenIncrease);
        require(block.number < endBlock);
        require(block.number >= startAcceptingFundsBlock);
        etherBalance = etherBalance.add(msg.value);
        balances[initialHolder] = balances[initialHolder].sub(deepTokenIncrease);
        balances[msg.sender] = balances[msg.sender].add(deepTokenIncrease);
        tokensSold = tokensSold.add(deepTokenIncrease);
        withdrawControl.transfer(msg.value);
        Credited(msg.sender, balances[msg.sender], msg.value);
    }

    function recordPayment(uint256 usdCentsAmount, uint256 tokenAmount, uint256 requestId)
    onlyWhitelist
    requireState(States.Ico)
    {
        require(getTokensAvailableForSale() >= tokenAmount);
        require(block.number < endBlock);
        require(block.number >= startAcceptingFundsBlock);

        usdCentsBalance = usdCentsBalance.add(usdCentsAmount);
        balances[initialHolder] = balances[initialHolder].sub(tokenAmount);
        balances[usdCurrencyFunding] = balances[usdCurrencyFunding].add(tokenAmount);
        tokensSold = tokensSold.add(tokenAmount);

        USDCentsBalance(usdCentsBalance);
        TokenByFiatCredited(usdCurrencyFunding, balances[usdCurrencyFunding], tokenAmount, requestId);
    }

    function moveToState(States _newState)
    internal
    {
        StateTransition(state, _newState);
        state = _newState;
    }

    function getTokensAvailableForSale()
    constant
    returns (uint256 tokensAvailableForSale)
    {
        return (totalNumberOfTokensForSale.sub(tokensSold));
    }

    // ICO contract configuration function
    // _newTotalSupply is the number of tokens available
    // _newTokenPriceInWei is the token price in wei
    // _newPercentForSale is the percentage of _newTotalSupply available for sale
    // _newsilencePeriod is a number of blocks to wait after starting the ICO. No funds are accepted during the silence period. It can be set to zero.
    // _newEndBlock is the absolute block number at which the ICO must stop. It must be set after now + silence period.
    function updateEthICOThresholds(uint256 _newTotalSupply, uint256 _newTokenPriceInWei, uint256 _newPercentForSale, uint256 _newSilencePeriod, uint256 _newEndBlock)
    onlyStateControl
    {
        require(state == States.Initial || state == States.ValuationSet);
        require(_newTotalSupply > 0);
        require(_newTokenPriceInWei > 0);
        require(_newPercentForSale > 0);
        require(_newPercentForSale <= 100);
        require((_newTotalSupply * _newPercentForSale / 100) > 0);
        require(block.number < _newEndBlock);
        require(block.number + _newSilencePeriod < _newEndBlock);

        totalSupply = _newTotalSupply;
        percentForSale = _newPercentForSale;
        totalNumberOfTokensForSale = totalSupply.mul(percentForSale).div(100);
        tokenPriceInWei = _newTokenPriceInWei;
        silencePeriod = _newSilencePeriod;
        endBlock = _newEndBlock;

        balances[initialHolder] = totalSupply;

        moveToState(States.ValuationSet);
    }

    function startICO()
    onlyStateControl
    requireState(States.ValuationSet)
    {
        require(block.number < endBlock);
        require(block.number + silencePeriod < endBlock);
        startAcceptingFundsBlock = block.number + silencePeriod;
        moveToState(States.Ico);
    }

    function endICO()
    onlyStateControl
    requireState(States.Ico)
    {
        burnUnsoldCoins();
        moveToState(States.Operational);
    }

    function anyoneEndICO()
    requireState(States.Ico)
    {
        require(block.number > endBlock);
        burnUnsoldCoins();
        moveToState(States.Operational);
    }

    function burnUnsoldCoins()
    internal
    {
        //slashing the initial supply, so that the ICO is selling percentForSale% total
        totalSupply = tokensSold.mul(100).div(percentForSale);
        balances[initialHolder] = totalSupply.sub(tokensSold);
    }

    function addToWhitelist(address _whitelisted)
    onlyWhitelist
    {
        whitelist[_whitelisted] = true;
        Whitelisted(_whitelisted);
    }

    function removeFromWhitelist(address _whitelisted)
    onlyWhitelist
    {
        whitelist[_whitelisted] = false;
        Dewhitelisted(_whitelisted);
    }

    //emergency pause for the ICO
    function pause()
    onlyStateControl
    requireState(States.Ico)
    {
        moveToState(States.Paused);
    }

    //un-pause
    function resumeICO()
    onlyStateControl
    requireState(States.Paused)
    {
        moveToState(States.Ico);
    }
    /**
    END ICO functions
    */

    /**
    BEGIN ERC20 functions
    */

    function transfer(address _to, uint256 _value)
    returns (bool success) {
        require((state == States.Ico) || (state == States.Operational));
        return super.transfer(_to, _value);
    }

    function transferFrom(address _from, address _to, uint256 _value)
    returns (bool success) {
        require((state == States.Ico) || (state == States.Operational));
        return super.transferFrom(_from, _to, _value);
    }

    function balanceOf(address _account)
    constant
    returns (uint256 balance) {
        return balances[_account];
    }

    /**
    END ERC20 functions
    */
}

Contract Security Audit

Contract ABI

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:"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_whitelisted","type":"address"}],"name":"addToWhitelist","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getTokensAvailableForSale","outputs":[{"name":"tokensAvailableForSale","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"_stateControl","type":"address"},{"name":"_whitelistControl","type":"address"},{"name":"_withdraw","type":"address"},{"name":"_initialHolder","type":"address"},{"name":"_usdCurrencyFunding","type":"address"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"addr","type":"address"}],"name":"Whitelisted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"addr","type":"address"}],"name":"Dewhitelisted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"addr","type":"address"},{"indexed":false,"name":"balance","type":"uint256"},{"indexed":false,"name":"txAmount","type":"uint256"}],"name":"Credited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"balance","type":"uint256"}],"name":"USDCentsBalance","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"addr","type":"address"},{"indexed":false,"name":"balance","type":"uint256"},{"indexed":false,"name":"txAmount","type":"uint256"},{"indexed":false,"name":"requestId","type":"uint256"}],"name":"TokenByFiatCredited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"oldState","type":"uint8"},{"indexed":false,"name":"newState","type":"uint8"}],"name":"StateTransition","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"}]

Deployed Bytecode

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bzzr://71956f8a2d1ab90fecde41225c4d714a588685a935d1e87f336ecbbde000a4a6

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