Contract 0xD850942eF8811f2A866692A623011bDE52a462C1 6

 
Announcement: The VeChainThor blockchain has officially launched. For more information, visit Vechain website.

Contract Overview

VeChain: Old Token
Balance:
0 Ether

EtherValue:
$0.00

Token:
 
Txn Hash
Method
Block
From
To
Value
0xe186aa70ac540cfa55e4e1d970abc04dafeaf442d968c97b375cc61b15a30186Transfer161237432022-12-06 5:44:471 day 4 hrs ago0xfab6c352bec0e5cf5acd22e54b1541c8b401a79b IN  VeChain: Old Token0 Ether0.0003804 11.14666292
0x81e8bd9b342e1ab2c965bb5fb68136e12c1a6ce3bfb665779d983c5c1b21bc60Transfer160881582022-12-01 6:26:476 days 3 hrs ago0xbc3c05f4687788ff59913ae871331941e58d4040 IN  VeChain: Old Token0 Ether0.000601610.74
0x097d1f559d4e677bf834acdb581c84bcf5805d2a988bf18c150485c1499ed81eTransfer160210972022-11-21 21:33:1115 days 12 hrs ago0xac2a729aa76a5f26a0efeed82740e3d24277d4a3 IN  VeChain: Old Token0 Ether0.0006665711.9
0xc2a6eb89e6b79fdbdb150ee959a50862460ff58a6485e124739fc0d4e92788cdTransfer160159902022-11-21 4:25:5916 days 5 hrs ago0x8cbd3b110215ac03fa7e220921e80c53ea930b3c IN  VeChain: Old Token0.02600329 Ether0.0001899
0x468c62bd39a4aa701ff2c6635e105d124f2ba39619e395ad96ddd1e8fa900adeTransfer159926422022-11-17 22:12:2319 days 11 hrs ago0xa1e7a792eef5e7e9c56fbd2b615cc283f9fc8571 IN  VeChain: Old Token0 Ether0.00087421 15.6067595
0xe42c7fdb33e85d739e3efaf1d20fc086e321cccec22ca9671610c235b7042723Transfer159455822022-11-11 8:27:4726 days 1 hr ago0xcf444d7d5e1458089755bbfb0aeae2282524a66a IN  VeChain: Old Token0 Ether0.00109223 19.49890325
0x006599510dc511d6b0f4dd5d1b2c524ac6c25473d60c4475674a76c7222a152cTransfer159341102022-11-09 17:59:3527 days 15 hrs ago0x8f9dc290b965221eac184d793fd7b789beeedbf3 IN  VeChain: Old Token0 Ether0.0020391452.4
0x54793ee013d69a71400a15cea4178eac45b4e85be3fffe35bed29505a3d44b6cTransfer159338982022-11-09 17:16:4727 days 16 hrs ago0x8f9dc290b965221eac184d793fd7b789beeedbf3 IN  VeChain: Old Token0 Ether0.0036809765.7
0xae625b51c1d681d102070aa5166a459a064a42bc09cb67c10bff6ef4709a0338Transfer159337142022-11-09 16:39:3527 days 17 hrs ago0x8f9dc290b965221eac184d793fd7b789beeedbf3 IN  VeChain: Old Token0 Ether0.0043131577
0x75a0ce972bacdfef5df9601c88957b9b03eeed98f1d2558152abb2458d32ab28Transfer159336862022-11-09 16:33:5927 days 17 hrs ago0x8f9dc290b965221eac184d793fd7b789beeedbf3 IN  VeChain: Old Token0 Ether0.0053901196
0xc84332ec3f360ae7b98a889adcda2849cc91248408e70b47bee2bd5d5c4c3479Transfer159250062022-11-08 11:26:4728 days 22 hrs ago0x4d519c6aa40e79e48c09db40692a8acdcbd97493 IN  VeChain: Old Token0 Ether0.0008859215.81586986
0x48e8a4187de7edbdcfab0d05115d136675ff26e605eb64154cb7647e18858169Transfer159097182022-11-06 8:15:1131 days 1 hr ago0xefc93f3acfd3a1b6d65ff46e081aa0ee3dfe1442 IN  VeChain: Old Token0 Ether0.00034819 10.19561621
0x4888f1da3522c7e1b8d1e96714321c2b75b46955e9be318dcf30ca1039cef3a8Transfer158847282022-11-02 20:29:1134 days 13 hrs ago0x58fc483b27f987aca2109c8ba5bd1f2ffd9b5634 IN  VeChain: Old Token0 Ether0.00111963 21.85129006
0x6dbbb72b6cab6f13824eebc4c63c4c6e535f2c11a9932fc637505a37dc6f5043Approve158612242022-10-30 13:37:5937 days 20 hrs ago0x19c6459e0b7df2b8cf1cdd4ff24875a9f03c67a6 IN  VeChain: Old Token0 Ether0.00034592 13.21391599
0xcd0a41a701710e35a13d7e33b39eabadec219e5de972dfe94a20d0410231b50dTransfer158390712022-10-27 11:18:5940 days 22 hrs ago0x61fca92d390879ccc4d0e4b5ade7b39c2a8e272c IN  VeChain: Old Token0 Ether0.0007946414.15595878
0xa372b04b7b62c3c8cb0bcc914ce2f32804161f519c3defd1399b0a4fd007783aTransfer157114632022-10-09 15:34:3558 days 18 hrs ago0x0c568507e0cef61ac84f8bc066587adde97a703e IN  VeChain: Old Token0 Ether0.001164320.78566537
0x4283334999ebc33209a0a6436279f5ee289d84d1fe476ae963fecc8b3316fc20Approve156939212022-10-07 4:45:2361 days 5 hrs ago0xe94b9b6f3189c10e7ad69cbb5fad4dce0c7ac692 IN  VeChain: Old Token0 Ether0.00008756 3.34467242
0x25f498c02f1740e90991c3f9d1c2c38e33478c66aa1aa26a44289e7e2df311d0Transfer156198382022-09-26 20:11:2371 days 13 hrs ago0x107eaa4245687feb04db784007b03d41b8359ce5 IN  VeChain: Old Token0 Ether0.0012883423
0x223bef20e03b31e8fae019a7c508c28ccf6c63c82a42d725ebb58a5dc2e0f5d1Transfer155926772022-09-23 1:11:1175 days 8 hrs ago0x367460c2a4cd2f472439232f51c793c9bc82903c IN  VeChain: Old Token0 Ether0.00045247 8.0777358
0xd21487bd648e54ac1a67db1d372a85b73b887a54d379abf56910b8e79242a0cdTransfer155528312022-09-17 10:53:1180 days 22 hrs ago0x75ce50ce5f3dd649aafa3d1eb478e41be12e4322 IN  VeChain: Old Token0 Ether0.000291275.2
0x7985aa8a323431f140ae5c715c4d6b717a2016ee458007b1c6fd7e232d9074e4Transfer155459042022-09-16 11:33:2381 days 22 hrs ago0x4f4301801396f9db9edee157fa37c7981cb815fb IN  VeChain: Old Token0 Ether0.00021726 6.36405573
0xc74fbb0d79431db1d80d9b0a5dc9ad4f1813a944db710e5957626a6d14852178Approve155302042022-09-14 1:22:0284 days 8 hrs ago0x671ba76cb54593b3e7f59104025c5136156a1eeb IN  VeChain: Old Token0 Ether0.00013143 5.02054276
0x8bd578bcaad419a90cee84a500e31d3e76dabdc00d0c6a16c1cffaea56eeb01cApprove155296252022-09-13 23:06:3584 days 10 hrs ago0x671ba76cb54593b3e7f59104025c5136156a1eeb IN  VeChain: Old Token0 Ether0.00019923 7.61030994
0xee7d2cb232bdd35f3d19994b70d0928d7389d39dc8d63cf35d011876c3018854Transfer154365872022-08-29 22:00:4199 days 11 hrs ago0xa77fdb9689025a55e3570cf46ed806db1078694b IN  VeChain: Old Token0 Ether0.000506213
0x59aaef628ddaad1b9533e4c6aed193cf5c70e8b999b3b6edb58dcaee1f1512bbTransfer154365872022-08-29 22:00:4199 days 11 hrs ago0xa77fdb9689025a55e3570cf46ed806db1078694b IN  VeChain: Old Token0 Ether0.0004089613
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OVERVIEW

Aims to connect blockchain technology to the real world by as well as advanced IoT integration.

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Contract Source Code Verified (Exact Match)

Contract Name:
VEN

Compiler Version
v0.4.11+commit.68ef5810

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-08-15
*/

pragma solidity ^0.4.11;

contract Owned {

    address public owner;

    function Owned() {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }

    function setOwner(address _newOwner) onlyOwner {
        owner = _newOwner;
    }
}

/**
 * @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;
  }

  function toUINT112(uint256 a) internal constant returns(uint112) {
    assert(uint112(a) == a);
    return uint112(a);
  }

  function toUINT120(uint256 a) internal constant returns(uint120) {
    assert(uint120(a) == a);
    return uint120(a);
  }

  function toUINT128(uint256 a) internal constant returns(uint128) {
    assert(uint128(a) == a);
    return uint128(a);
  }
}


// Abstract contract for the full ERC 20 Token standard
// https://github.com/ethereum/EIPs/issues/20

contract Token {
    /* This is a slight change to the ERC20 base standard.
    function totalSupply() constant returns (uint256 supply);
    is replaced with:
    uint256 public totalSupply;
    This automatically creates a getter function for the totalSupply.
    This is moved to the base contract since public getter functions are not
    currently recognised as an implementation of the matching abstract
    function by the compiler.
    */
    /// total amount of tokens
    //uint256 public totalSupply;
    function totalSupply() constant returns (uint256 supply);

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) constant returns (uint256 balance);

    /// @notice send `_value` token to `_to` from `msg.sender`
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transfer(address _to, uint256 _value) returns (bool success);

    /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
    /// @param _from The address of the sender
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);

    /// @notice `msg.sender` approves `_addr` to spend `_value` tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _value The amount of wei to be approved for transfer
    /// @return Whether the approval was successful or not
    function approve(address _spender, uint256 _value) returns (bool success);

    /// @param _owner The address of the account owning tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens allowed to spent
    function allowance(address _owner, address _spender) constant returns (uint256 remaining);

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}


/// VEN token, ERC20 compliant
contract VEN is Token, Owned {
    using SafeMath for uint256;

    string public constant name    = "VeChain Token";  //The Token's name
    uint8 public constant decimals = 18;               //Number of decimals of the smallest unit
    string public constant symbol  = "VEN";            //An identifier    

    // packed to 256bit to save gas usage.
    struct Supplies {
        // uint128's max value is about 3e38.
        // it's enough to present amount of tokens
        uint128 total;
        uint128 rawTokens;
    }

    Supplies supplies;

    // Packed to 256bit to save gas usage.    
    struct Account {
        // uint112's max value is about 5e33.
        // it's enough to present amount of tokens
        uint112 balance;

        // raw token can be transformed into balance with bonus        
        uint112 rawTokens;

        // safe to store timestamp
        uint32 lastMintedTimestamp;
    }

    // Balances for each account
    mapping(address => Account) accounts;

    // Owner of account approves the transfer of an amount to another account
    mapping(address => mapping(address => uint256)) allowed;

    // bonus that can be shared by raw tokens
    uint256 bonusOffered;

    // Constructor
    function VEN() {
    }

    function totalSupply() constant returns (uint256 supply){
        return supplies.total;
    }

    // Send back ether sent to me
    function () {
        revert();
    }

    // If sealed, transfer is enabled and mint is disabled
    function isSealed() constant returns (bool) {
        return owner == 0;
    }

    function lastMintedTimestamp(address _owner) constant returns(uint32) {
        return accounts[_owner].lastMintedTimestamp;
    }

    // Claim bonus by raw tokens
    function claimBonus(address _owner) internal{      
        require(isSealed());
        if (accounts[_owner].rawTokens != 0) {
            uint256 realBalance = balanceOf(_owner);
            uint256 bonus = realBalance
                .sub(accounts[_owner].balance)
                .sub(accounts[_owner].rawTokens);

            accounts[_owner].balance = realBalance.toUINT112();
            accounts[_owner].rawTokens = 0;
            if(bonus > 0){
                Transfer(this, _owner, bonus);
            }
        }
    }

    // What is the balance of a particular account?
    function balanceOf(address _owner) constant returns (uint256 balance) {
        if (accounts[_owner].rawTokens == 0)
            return accounts[_owner].balance;

        if (bonusOffered > 0) {
            uint256 bonus = bonusOffered
                 .mul(accounts[_owner].rawTokens)
                 .div(supplies.rawTokens);

            return bonus.add(accounts[_owner].balance)
                    .add(accounts[_owner].rawTokens);
        }
        
        return uint256(accounts[_owner].balance)
            .add(accounts[_owner].rawTokens);
    }

    // Transfer the balance from owner's account to another account
    function transfer(address _to, uint256 _amount) returns (bool success) {
        require(isSealed());

        // implicitly claim bonus for both sender and receiver
        claimBonus(msg.sender);
        claimBonus(_to);

        // according to VEN's total supply, never overflow here
        if (accounts[msg.sender].balance >= _amount
            && _amount > 0) {            
            accounts[msg.sender].balance -= uint112(_amount);
            accounts[_to].balance = _amount.add(accounts[_to].balance).toUINT112();
            Transfer(msg.sender, _to, _amount);
            return true;
        } else {
            return false;
        }
    }

    // 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
    ) returns (bool success) {
        require(isSealed());

        // implicitly claim bonus for both sender and receiver
        claimBonus(_from);
        claimBonus(_to);

        // according to VEN's total supply, never overflow here
        if (accounts[_from].balance >= _amount
            && allowed[_from][msg.sender] >= _amount
            && _amount > 0) {
            accounts[_from].balance -= uint112(_amount);
            allowed[_from][msg.sender] -= _amount;
            accounts[_to].balance = _amount.add(accounts[_to].balance).toUINT112();
            Transfer(_from, _to, _amount);
            return true;
        } else {
            return false;
        }
    }

    // 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) returns (bool success) {
        allowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
        return true;
    }

    /* Approves and then calls the receiving contract */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);

        //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
        //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
        //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
        //if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { revert(); }
        ApprovalReceiver(_spender).receiveApproval(msg.sender, _value, this, _extraData);
        return true;
    }

    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    // Mint tokens and assign to some one
    function mint(address _owner, uint256 _amount, bool _isRaw, uint32 timestamp) onlyOwner{
        if (_isRaw) {
            accounts[_owner].rawTokens = _amount.add(accounts[_owner].rawTokens).toUINT112();
            supplies.rawTokens = _amount.add(supplies.rawTokens).toUINT128();
        } else {
            accounts[_owner].balance = _amount.add(accounts[_owner].balance).toUINT112();
        }

        accounts[_owner].lastMintedTimestamp = timestamp;

        supplies.total = _amount.add(supplies.total).toUINT128();
        Transfer(0, _owner, _amount);
    }
    
    // Offer bonus to raw tokens holder
    function offerBonus(uint256 _bonus) onlyOwner { 
        bonusOffered = bonusOffered.add(_bonus);
        supplies.total = _bonus.add(supplies.total).toUINT128();
        Transfer(0, this, _bonus);
    }

    // Set owner to zero address, to disable mint, and enable token transfer
    function seal() onlyOwner {
        setOwner(0);
    }
}

contract ApprovalReceiver {
    function receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData);
}


// Contract to sell and distribute VEN tokens
contract VENSale is Owned{

    /// chart of stage transition 
    ///
    /// deploy   initialize      startTime                            endTime                 finalize
    ///                              | <-earlyStageLasts-> |             | <- closedStageLasts -> |
    ///  O-----------O---------------O---------------------O-------------O------------------------O------------>
    ///     Created     Initialized           Early             Normal             Closed            Finalized
    enum Stage {
        NotCreated,
        Created,
        Initialized,
        Early,
        Normal,
        Closed,
        Finalized
    }

    using SafeMath for uint256;
    
    uint256 public constant totalSupply         = (10 ** 9) * (10 ** 18); // 1 billion VEN, decimals set to 18

    uint256 constant privateSupply              = totalSupply * 9 / 100;  // 9% for private ICO
    uint256 constant commercialPlan             = totalSupply * 23 / 100; // 23% for commercial plan
    uint256 constant reservedForTeam            = totalSupply * 5 / 100;  // 5% for team
    uint256 constant reservedForOperations      = totalSupply * 22 / 100; // 22 for operations

    // 59%
    uint256 public constant nonPublicSupply     = privateSupply + commercialPlan + reservedForTeam + reservedForOperations;
    // 41%
    uint256 public constant publicSupply = totalSupply - nonPublicSupply;


    uint256 public constant officialLimit = 64371825 * (10 ** 18);
    uint256 public constant channelsLimit = publicSupply - officialLimit;

    // packed to 256bit
    struct SoldOut {
        uint16 placeholder; // placeholder to make struct pre-alloced

        // amount of tokens officially sold out.
        // max value of 120bit is about 1e36, it's enough for token amount
        uint120 official; 

        uint120 channels; // amount of tokens sold out via channels
    }

    SoldOut soldOut;
    
    uint256 constant venPerEth = 3500;  // normal exchange rate
    uint256 constant venPerEthEarlyStage = venPerEth + venPerEth * 15 / 100;  // early stage has 15% reward

    uint constant minBuyInterval = 30 minutes; // each account can buy once in 30 minutes
    uint constant maxBuyEthAmount = 30 ether;
   
    VEN ven; // VEN token contract follows ERC20 standard

    address ethVault; // the account to keep received ether
    address venVault; // the account to keep non-public offered VEN tokens

    uint public constant startTime = 1503057600; // time to start sale
    uint public constant endTime = 1504180800;   // tiem to close sale
    uint public constant earlyStageLasts = 3 days; // early bird stage lasts in seconds

    bool initialized;
    bool finalized;

    function VENSale() {
        soldOut.placeholder = 1;
    }    

    /// @notice calculte exchange rate according to current stage
    /// @return exchange rate. zero if not in sale.
    function exchangeRate() constant returns (uint256){
        if (stage() == Stage.Early) {
            return venPerEthEarlyStage;
        }
        if (stage() == Stage.Normal) {
            return venPerEth;
        }
        return 0;
    }

    /// @notice for test purpose
    function blockTime() constant returns (uint32) {
        return uint32(block.timestamp);
    }

    /// @notice estimate stage
    /// @return current stage
    function stage() constant returns (Stage) { 
        if (finalized) {
            return Stage.Finalized;
        }

        if (!initialized) {
            // deployed but not initialized
            return Stage.Created;
        }

        if (blockTime() < startTime) {
            // not started yet
            return Stage.Initialized;
        }

        if (uint256(soldOut.official).add(soldOut.channels) >= publicSupply) {
            // all sold out
            return Stage.Closed;
        }

        if (blockTime() < endTime) {
            // in sale            
            if (blockTime() < startTime.add(earlyStageLasts)) {
                // early bird stage
                return Stage.Early;
            }
            // normal stage
            return Stage.Normal;
        }

        // closed
        return Stage.Closed;
    }

    function isContract(address _addr) constant internal returns(bool) {
        uint size;
        if (_addr == 0) return false;
        assembly {
            size := extcodesize(_addr)
        }
        return size > 0;
    }

    /// @notice entry to buy tokens
    function () payable {        
        buy();
    }

    /// @notice entry to buy tokens
    function buy() payable {
        // reject contract buyer to avoid breaking interval limit
        require(!isContract(msg.sender));
        require(msg.value >= 0.01 ether);

        uint256 rate = exchangeRate();
        // here don't need to check stage. rate is only valid when in sale
        require(rate > 0);
        // each account is allowed once in minBuyInterval
        require(blockTime() >= ven.lastMintedTimestamp(msg.sender) + minBuyInterval);

        uint256 requested;
        // and limited to maxBuyEthAmount
        if (msg.value > maxBuyEthAmount) {
            requested = maxBuyEthAmount.mul(rate);
        } else {
            requested = msg.value.mul(rate);
        }

        uint256 remained = officialLimit.sub(soldOut.official);
        if (requested > remained) {
            //exceed remained
            requested = remained;
        }

        uint256 ethCost = requested.div(rate);
        if (requested > 0) {
            ven.mint(msg.sender, requested, true, blockTime());
            // transfer ETH to vault
            ethVault.transfer(ethCost);

            soldOut.official = requested.add(soldOut.official).toUINT120();
            onSold(msg.sender, requested, ethCost);        
        }

        uint256 toReturn = msg.value.sub(ethCost);
        if(toReturn > 0) {
            // return over payed ETH
            msg.sender.transfer(toReturn);
        }        
    }

    /// @notice returns tokens sold officially
    function officialSold() constant returns (uint256) {
        return soldOut.official;
    }

    /// @notice returns tokens sold via channels
    function channelsSold() constant returns (uint256) {
        return soldOut.channels;
    } 

    /// @notice manually offer tokens to channel
    function offerToChannel(address _channelAccount, uint256 _venAmount) onlyOwner {
        Stage stg = stage();
        // since the settlement may be delayed, so it's allowed in closed stage
        require(stg == Stage.Early || stg == Stage.Normal || stg == Stage.Closed);

        soldOut.channels = _venAmount.add(soldOut.channels).toUINT120();

        //should not exceed limit
        require(soldOut.channels <= channelsLimit);

        ven.mint(
            _channelAccount,
            _venAmount,
            true,  // unsold tokens can be claimed by channels portion
            blockTime()
            );

        onSold(_channelAccount, _venAmount, 0);
    }

    /// @notice initialize to prepare for sale
    /// @param _ven The address VEN token contract following ERC20 standard
    /// @param _ethVault The place to store received ETH
    /// @param _venVault The place to store non-publicly supplied VEN tokens
    function initialize(
        VEN _ven,
        address _ethVault,
        address _venVault) onlyOwner {
        require(stage() == Stage.Created);

        // ownership of token contract should already be this
        require(_ven.owner() == address(this));

        require(address(_ethVault) != 0);
        require(address(_venVault) != 0);      

        ven = _ven;
        
        ethVault = _ethVault;
        venVault = _venVault;    
        
        ven.mint(
            venVault,
            reservedForTeam.add(reservedForOperations),
            false, // team and operations reserved portion can't share unsold tokens
            blockTime()
        );

        ven.mint(
            venVault,
            privateSupply.add(commercialPlan),
            true, // private ICO and commercial plan can share unsold tokens
            blockTime()
        );

        initialized = true;
        onInitialized();
    }

    /// @notice finalize
    function finalize() onlyOwner {
        // only after closed stage
        require(stage() == Stage.Closed);       

        uint256 unsold = publicSupply.sub(soldOut.official).sub(soldOut.channels);

        if (unsold > 0) {
            // unsold VEN as bonus
            ven.offerBonus(unsold);        
        }
        ven.seal();

        finalized = true;
        onFinalized();
    }

    event onInitialized();
    event onFinalized();

    event onSold(address indexed buyer, uint256 venAmount, uint256 ethCost);
}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"supply","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"seal","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_bonus","type":"uint256"}],"name":"offerBonus","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"isSealed","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"lastMintedTimestamp","outputs":[{"name":"","type":"uint32"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_owner","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_isRaw","type":"bool"},{"name":"timestamp","type":"uint32"}],"name":"mint","outputs":[],"payable":false,"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,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"payable":false,"type":"fallback"},{"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":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}]

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Swarm Source

bzzr://fa35cb6d9fd595f5020f436c343eb13b8bbbc3984f4c28bc7b89d36062d268a6
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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