Sponsored:   Color - Revolutionizing the Dapp Ecosystem, Bounty & Airdrop, Get 240,000 COL NOW!
 Latest 25 txns from a total Of 70358 transactions

TxHash Age From To Value [TxFee]
0x12101cf12d4c5dc2fc17a1ff8a71bbe17b085b32bda2c482802f807f8e4cff6211 mins ago0x2543903a1f88285e1ae6e0138677b3e4b8a5ab7d  IN   RaidenToken0 Ether0.00044654
0x2d58b79ee47c9708af2c449e6644db5d69f27038254802fc6b43f531358d8a9c17 mins agoBitfinex_4  IN   RaidenToken0 Ether0.00156981
0x049b415aed498e872a0943b35fa09ff18692be21ba8f0d0af4c3502c5d195d0944 mins agoGate.io_1  IN   RaidenToken0 Ether0.00008592969
0xddf3cb8ff99b816e61221cb18255a0d738690b8d3a1ac0600a0b2c841a0dd3be51 mins agoOkex  IN   RaidenToken0 Ether0.00185355
0x0da75828cddab9f989611012314970cf73613fc99da9646434a557685c232bd21 hr 32 mins agoBinance_4  IN   RaidenToken0 Ether0.002426255
0xaafb9dc7abe42495324ef24cc0ac9ee994f6a9e195626ce3967fdb7ac41ab0b63 hrs 31 mins ago0x35e352e52fc7b7daa82c8e875c45294800bc530b  IN   RaidenToken0 Ether0.000558945
0x4e6896595d7c6ce9afdd777bfff076e972f0bd856397b669fddaa3339cfdefd35 hrs 18 mins ago0x61c08db9e198616bdd94b5fa45ff10e93c3256ec  IN   RaidenToken0 Ether0.001096179
0xf454c260cf941d3e361139f3a62d936334482da836f433329abbf3cae8dca9935 hrs 24 mins ago0x978d9c4af7e86f7127c254e27228b660b694a30b  IN   RaidenToken0 Ether0.00110355
0xf3857f45c6c57b381f7777816969b869de1f812469b3ea634712b02adba7d67c8 hrs 22 mins ago0xa8712c76eedf1494cf74949895f59000b6c912a3  IN   RaidenToken0 Ether0.001525159
0x2c7a853359a6a8227d0ec00220db0c7984e0f9cdd0f16a0525f97a81252fd6fc9 hrs 1 min ago0x9a7fad16061e32da2c9f812dcae7b57c1644ee2d  IN   RaidenToken0 Ether0.00044526
0xa5eda17eaad2da38c9b849f7cc83be6158b79e0172ea81434c28181a6b047e0a9 hrs 5 mins ago0x00629de4c488b230a746e28650479558999d10f0  IN   RaidenToken0 Ether0.000107176437
0x07b0f0019b05592aac4e6561694bea17cd12c4afe25028b0eefeb1976df758279 hrs 24 mins ago0xd93d7315b1578611bb4cc7315fef52f43d990184  IN   RaidenToken0 Ether0.000074526
0xa22eec1b712904c34fb52523efda72521a799d5fd4e1d1c32e8f03582497371610 hrs 35 mins agoHuobi_11  IN   RaidenToken0 Ether0.004938955
0x2edff71901b0c6d544734ec4c74f2371350ec9e0376702ec6f919c111a1df43d10 hrs 41 mins ago0xf57b903cd6d53850373d5dc8d78a4dd31a29a013  IN   RaidenToken0 Ether0.000149059452
0x7ceb77030450223954aea591f0934a187d5854875521905cef6436c234f9d60912 hrs 55 mins ago0xa496d40d326840dfb748682f836eac2599112056  IN   RaidenToken0 Ether0.0001187238
0x29eef87971650b9413ff2313587070667485f2fbb8d41e4de1d1c64249121bc613 hrs 2 mins ago0x33e745be79234fa9ea3f952692384cf90d648c98  IN   RaidenToken0 Ether0.000189317546
0x19052b2874d7ad3a54faed78675089cfc3dd1115c754cf1b60c2577bd8cb0a5613 hrs 3 mins ago0x33e745be79234fa9ea3f952692384cf90d648c98  IN   RaidenToken0 Ether0.00012385693
0x0714f8951e535577428c004cd2e630780f16bf729269889df0179db89d09ee1e14 hrs 31 mins ago0xee6a089f26d549482ad14ff305ea761c45e7dbd5  IN   RaidenToken0 Ether0.00044398
0x2ca6a669e0d1d5d74eb92b088c6f68df8b0dc6b7231ac6f616d76a1818872c1814 hrs 40 mins agoGate.io_1  IN   RaidenToken0 Ether0.00025838505
0x220cd5b6b85b98d85449ae3b2d35c2725e36c8a9b5b4e98cb8dcd6c6e549d81b16 hrs 31 mins ago0xad0a2478ba25816365aa0e32d77aff92b9e34efc  IN   RaidenToken0 Ether0.000148803439
0x5427b7f7fd0981bd775e76a3d3da98b57727a76c432b83b42a9fd49067b2319316 hrs 55 mins agoHuobi_12  IN   RaidenToken0 Ether0.004947467
0x555eb02fc4a8783ccc5f3dc3e4688e4ad5fe85505ee148aeb3a6f109556e4fc217 hrs 2 mins agoBinance_3  IN   RaidenToken0 Ether0.002417935
0xb2a3b12803a3b2c81c32d7168cc21dce2660dde10473b8e102042a1486954d0618 hrs 39 mins ago0xc3f10d95d0e89a97e208e03f3651fa7ac7ce1673  IN   RaidenToken0 Ether0.00110675
0x89fd3a20180ca5a6d1f21f239155b551ea98a2eada1976cc53cca7b5f6581b2e18 hrs 41 mins ago0xcf0697240463c242f2fa3e4101fab6f7d29b44fc  IN   RaidenToken0 Ether0.00044526
0x1f08901af85118e56caa6f73d9896f09c7c80281dd6c0ae97ae784040bfb579f18 hrs 48 mins agoHuobi_11  IN   RaidenToken0 Ether0.006950979
[ Download CSV Export  ] 
 Internal Transactions as a result of Contract Execution
View All
ParentTxHash Block Age From To Value
Warning: The compiled contract might be susceptible to EventStructWrongData (very low-severity), NestedArrayFunctionCallDecoder (medium-severity), ZeroFunctionSelector (very low-severity) Solidity compiler bugs.

Contract Source Code Verified (Exact match)
Contract Name: RaidenToken
Compiler Version: v0.4.17+commit.bdeb9e52
Optimization Enabled: No
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.17;

/// @title ERC223ReceivingContract - Standard contract implementation for compatibility with ERC223 tokens.
contract ERC223ReceivingContract {

    /// @dev Function that is called when a user or another contract wants to transfer funds.
    /// @param _from Transaction initiator, analogue of msg.sender
    /// @param _value Number of tokens to transfer.
    /// @param _data Data containig a function signature and/or parameters
    function tokenFallback(address _from, uint256 _value, bytes _data) public;
}

contract Token {
    /*
     * Implements ERC 20 standard.
     * https://github.com/ethereum/EIPs/blob/f90864a3d2b2b45c4decf95efd26b3f0c276051a/EIPS/eip-20-token-standard.md
     * https://github.com/ethereum/EIPs/issues/20
     *
     *  Added support for the ERC 223 "tokenFallback" method in a "transfer" function with a payload.
     *  https://github.com/ethereum/EIPs/issues/223
     */

    /*
     * 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.
     */
    uint256 public totalSupply;

    /*
     * ERC 20
     */
    function balanceOf(address _owner) public constant returns (uint256 balance);
    function transfer(address _to, uint256 _value) public returns (bool success);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
    function approve(address _spender, uint256 _value) public returns (bool success);
    function allowance(address _owner, address _spender) public constant returns (uint256 remaining);

    /*
     * ERC 223
     */
    function transfer(address _to, uint256 _value, bytes _data) public returns (bool success);

    /*
     * Events
     */
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);

    // There is no ERC223 compatible Transfer event, with `_data` included.
}


/// @title Standard token contract - Standard token implementation.
contract StandardToken is Token {

    /*
     * Data structures
     */
    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;

    /*
     * Public functions
     */
    /// @notice Send `_value` tokens to `_to` from `msg.sender`.
    /// @dev Transfers sender's tokens to a given address. Returns success.
    /// @param _to Address of token receiver.
    /// @param _value Number of tokens to transfer.
    /// @return Returns success of function call.
    function transfer(address _to, uint256 _value) public returns (bool) {
        require(_to != 0x0);
        require(_to != address(this));
        require(balances[msg.sender] >= _value);
        require(balances[_to] + _value >= balances[_to]);

        balances[msg.sender] -= _value;
        balances[_to] += _value;

        Transfer(msg.sender, _to, _value);

        return true;
    }

    /// @notice Send `_value` tokens to `_to` from `msg.sender` and trigger
    /// tokenFallback if sender is a contract.
    /// @dev Function that is called when a user or another contract wants to transfer funds.
    /// @param _to Address of token receiver.
    /// @param _value Number of tokens to transfer.
    /// @param _data Data to be sent to tokenFallback
    /// @return Returns success of function call.
    function transfer(
        address _to,
        uint256 _value,
        bytes _data)
        public
        returns (bool)
    {
        require(transfer(_to, _value));

        uint codeLength;

        assembly {
            // Retrieve the size of the code on target address, this needs assembly.
            codeLength := extcodesize(_to)
        }

        if (codeLength > 0) {
            ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
            receiver.tokenFallback(msg.sender, _value, _data);
        }

        return true;
    }

    /// @notice Transfer `_value` tokens from `_from` to `_to` if `msg.sender` is allowed.
    /// @dev Allows for an approved third party to transfer tokens from one
    /// address to another. Returns success.
    /// @param _from Address from where tokens are withdrawn.
    /// @param _to Address to where tokens are sent.
    /// @param _value Number of tokens to transfer.
    /// @return Returns success of function call.
    function transferFrom(address _from, address _to, uint256 _value)
        public
        returns (bool)
    {
        require(_from != 0x0);
        require(_to != 0x0);
        require(_to != address(this));
        require(balances[_from] >= _value);
        require(allowed[_from][msg.sender] >= _value);
        require(balances[_to] + _value >= balances[_to]);

        balances[_to] += _value;
        balances[_from] -= _value;
        allowed[_from][msg.sender] -= _value;

        Transfer(_from, _to, _value);

        return true;
    }

    /// @notice Allows `_spender` to transfer `_value` tokens from `msg.sender` to any address.
    /// @dev Sets approved amount of tokens for spender. Returns success.
    /// @param _spender Address of allowed account.
    /// @param _value Number of approved tokens.
    /// @return Returns success of function call.
    function approve(address _spender, uint256 _value) public returns (bool) {
        require(_spender != 0x0);

        // To change the approve amount you first have to reduce the addresses`
        // allowance to zero by calling `approve(_spender, 0)` if it is not
        // already 0 to mitigate the race condition described here:
        // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
        require(_value == 0 || allowed[msg.sender][_spender] == 0);

        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    /*
     * Read functions
     */
    /// @dev Returns number of allowed tokens that a spender can transfer on
    /// behalf of a token owner.
    /// @param _owner Address of token owner.
    /// @param _spender Address of token spender.
    /// @return Returns remaining allowance for spender.
    function allowance(address _owner, address _spender)
        constant
        public
        returns (uint256)
    {
        return allowed[_owner][_spender];
    }

    /// @dev Returns number of tokens owned by the given address.
    /// @param _owner Address of token owner.
    /// @return Returns balance of owner.
    function balanceOf(address _owner) constant public returns (uint256) {
        return balances[_owner];
    }
}


/// @title Raiden Token
contract RaidenToken is StandardToken {

    /*
     *  Terminology:
     *  1 token unit = Rei
     *  1 token = RDN = Rei * multiplier
     *  multiplier set from token's number of decimals (i.e. 10 ** decimals)
     */

    /*
     *  Token metadata
     */
    string constant public name = "Raiden Token";
    string constant public symbol = "RDN";
    uint8 constant public decimals = 18;
    uint constant multiplier = 10 ** uint(decimals);

    event Deployed(uint indexed _total_supply);
    event Burnt(
        address indexed _receiver,
        uint indexed _num,
        uint indexed _total_supply
    );

    /*
     *  Public functions
     */
    /// @dev Contract constructor function sets dutch auction contract address
    /// and assigns all tokens to dutch auction.
    /// @param auction_address Address of dutch auction contract.
    /// @param wallet_address Address of wallet.
    /// @param initial_supply Number of initially provided token units (Rei).
    function RaidenToken(
        address auction_address,
        address wallet_address,
        uint initial_supply)
        public
    {
        // Auction address should not be null.
        require(auction_address != 0x0);
        require(wallet_address != 0x0);

        // Initial supply is in Rei
        require(initial_supply > multiplier);

        // Total supply of Rei at deployment
        totalSupply = initial_supply;

        balances[auction_address] = initial_supply / 2;
        balances[wallet_address] = initial_supply / 2;

        Transfer(0x0, auction_address, balances[auction_address]);
        Transfer(0x0, wallet_address, balances[wallet_address]);

        Deployed(totalSupply);

        assert(totalSupply == balances[auction_address] + balances[wallet_address]);
    }

    /// @notice Allows `msg.sender` to simply destroy `num` token units (Rei). This means the total
    /// token supply will decrease.
    /// @dev Allows to destroy token units (Rei).
    /// @param num Number of token units (Rei) to burn.
    function burn(uint num) public {
        require(num > 0);
        require(balances[msg.sender] >= num);
        require(totalSupply >= num);

        uint pre_balance = balances[msg.sender];

        balances[msg.sender] -= num;
        totalSupply -= num;
        Burnt(msg.sender, num, totalSupply);
        Transfer(msg.sender, 0x0, num);

        assert(balances[msg.sender] == pre_balance - num);
    }

}


/// @title Dutch auction contract - distribution of a fixed number of tokens using an auction.
/// The contract code is inspired by the Gnosis auction contract. Main difference is that the
/// auction ends if a fixed number of tokens was sold.
contract DutchAuction {
    /*
     * Auction for the RDN Token.
     *
     * Terminology:
     * 1 token unit = Rei
     * 1 token = RDN = Rei * token_multiplier
     * token_multiplier set from token's number of decimals (i.e. 10 ** decimals)
     */

    // Wait 7 days after the end of the auction, before anyone can claim tokens
    uint constant public token_claim_waiting_period = 7 days;

    // Bid value over which the address has to be whitelisted
    // At deployment moment, less than 1k$
    uint constant public bid_threshold = 2.5 ether;

    /*
     * Storage
     */

    RaidenToken public token;
    address public owner_address;
    address public wallet_address;
    address public whitelister_address;

    // Price decay function parameters to be changed depending on the desired outcome

    // Starting price in WEI; e.g. 2 * 10 ** 18
    uint public price_start;

    // Divisor constant; e.g. 524880000
    uint public price_constant;

    // Divisor exponent; e.g. 3
    uint32 public price_exponent;

    // For calculating elapsed time for price
    uint public start_time;
    uint public end_time;
    uint public start_block;

    // Keep track of all ETH received in the bids
    uint public received_wei;

    // Keep track of cumulative ETH funds for which the tokens have been claimed
    uint public funds_claimed;

    uint public token_multiplier;

    // Total number of Rei (RDN * token_multiplier) that will be auctioned
    uint public num_tokens_auctioned;

    // Wei per RDN (Rei * token_multiplier)
    uint public final_price;

    // Bidder address => bid value
    mapping (address => uint) public bids;

    // Whitelist for addresses that want to bid more than bid_threshold
    mapping (address => bool) public whitelist;

    Stages public stage;

    /*
     * Enums
     */
    enum Stages {
        AuctionDeployed,
        AuctionSetUp,
        AuctionStarted,
        AuctionEnded,
        TokensDistributed
    }

    /*
     * Modifiers
     */
    modifier atStage(Stages _stage) {
        require(stage == _stage);
        _;
    }

    modifier isOwner() {
        require(msg.sender == owner_address);
        _;
    }

    modifier isWhitelister() {
        require(msg.sender == whitelister_address);
        _;
    }

    /*
     * Events
     */

    event Deployed(
        uint indexed _price_start,
        uint indexed _price_constant,
        uint32 indexed _price_exponent
    );
    event Setup();
    event AuctionStarted(uint indexed _start_time, uint indexed _block_number);
    event BidSubmission(
        address indexed _sender,
        uint _amount,
        uint _missing_funds
    );
    event ClaimedTokens(address indexed _recipient, uint _sent_amount);
    event AuctionEnded(uint _final_price);
    event TokensDistributed();

    /*
     * Public functions
     */

    /// @dev Contract constructor function sets the starting price, divisor constant and
    /// divisor exponent for calculating the Dutch Auction price.
    /// @param _wallet_address Wallet address to which all contributed ETH will be forwarded.
    /// @param _price_start High price in WEI at which the auction starts.
    /// @param _price_constant Auction price divisor constant.
    /// @param _price_exponent Auction price divisor exponent.
    function DutchAuction(
        address _wallet_address,
        address _whitelister_address,
        uint _price_start,
        uint _price_constant,
        uint32 _price_exponent)
        public
    {
        require(_wallet_address != 0x0);
        require(_whitelister_address != 0x0);
        wallet_address = _wallet_address;
        whitelister_address = _whitelister_address;

        owner_address = msg.sender;
        stage = Stages.AuctionDeployed;
        changeSettings(_price_start, _price_constant, _price_exponent);
        Deployed(_price_start, _price_constant, _price_exponent);
    }

    /// @dev Fallback function for the contract, which calls bid() if the auction has started.
    function () public payable atStage(Stages.AuctionStarted) {
        bid();
    }

    /// @notice Set `_token_address` as the token address to be used in the auction.
    /// @dev Setup function sets external contracts addresses.
    /// @param _token_address Token address.
    function setup(address _token_address) public isOwner atStage(Stages.AuctionDeployed) {
        require(_token_address != 0x0);
        token = RaidenToken(_token_address);

        // Get number of Rei (RDN * token_multiplier) to be auctioned from token auction balance
        num_tokens_auctioned = token.balanceOf(address(this));

        // Set the number of the token multiplier for its decimals
        token_multiplier = 10 ** uint(token.decimals());

        stage = Stages.AuctionSetUp;
        Setup();
    }

    /// @notice Set `_price_start`, `_price_constant` and `_price_exponent` as
    /// the new starting price, price divisor constant and price divisor exponent.
    /// @dev Changes auction price function parameters before auction is started.
    /// @param _price_start Updated start price.
    /// @param _price_constant Updated price divisor constant.
    /// @param _price_exponent Updated price divisor exponent.
    function changeSettings(
        uint _price_start,
        uint _price_constant,
        uint32 _price_exponent)
        internal
    {
        require(stage == Stages.AuctionDeployed || stage == Stages.AuctionSetUp);
        require(_price_start > 0);
        require(_price_constant > 0);

        price_start = _price_start;
        price_constant = _price_constant;
        price_exponent = _price_exponent;
    }

    /// @notice Adds account addresses to whitelist.
    /// @dev Adds account addresses to whitelist.
    /// @param _bidder_addresses Array of addresses.
    function addToWhitelist(address[] _bidder_addresses) public isWhitelister {
        for (uint32 i = 0; i < _bidder_addresses.length; i++) {
            whitelist[_bidder_addresses[i]] = true;
        }
    }

    /// @notice Removes account addresses from whitelist.
    /// @dev Removes account addresses from whitelist.
    /// @param _bidder_addresses Array of addresses.
    function removeFromWhitelist(address[] _bidder_addresses) public isWhitelister {
        for (uint32 i = 0; i < _bidder_addresses.length; i++) {
            whitelist[_bidder_addresses[i]] = false;
        }
    }

    /// @notice Start the auction.
    /// @dev Starts auction and sets start_time.
    function startAuction() public isOwner atStage(Stages.AuctionSetUp) {
        stage = Stages.AuctionStarted;
        start_time = now;
        start_block = block.number;
        AuctionStarted(start_time, start_block);
    }

    /// @notice Finalize the auction - sets the final RDN token price and changes the auction
    /// stage after no bids are allowed anymore.
    /// @dev Finalize auction and set the final RDN token price.
    function finalizeAuction() public atStage(Stages.AuctionStarted)
    {
        // Missing funds should be 0 at this point
        uint missing_funds = missingFundsToEndAuction();
        require(missing_funds == 0);

        // Calculate the final price = WEI / RDN = WEI / (Rei / token_multiplier)
        // Reminder: num_tokens_auctioned is the number of Rei (RDN * token_multiplier) that are auctioned
        final_price = token_multiplier * received_wei / num_tokens_auctioned;

        end_time = now;
        stage = Stages.AuctionEnded;
        AuctionEnded(final_price);

        assert(final_price > 0);
    }

    /// --------------------------------- Auction Functions ------------------


    /// @notice Send `msg.value` WEI to the auction from the `msg.sender` account.
    /// @dev Allows to send a bid to the auction.
    function bid()
        public
        payable
        atStage(Stages.AuctionStarted)
    {
        require(msg.value > 0);
        require(bids[msg.sender] + msg.value <= bid_threshold || whitelist[msg.sender]);
        assert(bids[msg.sender] + msg.value >= msg.value);

        // Missing funds without the current bid value
        uint missing_funds = missingFundsToEndAuction();

        // We require bid values to be less than the funds missing to end the auction
        // at the current price.
        require(msg.value <= missing_funds);

        bids[msg.sender] += msg.value;
        received_wei += msg.value;

        // Send bid amount to wallet
        wallet_address.transfer(msg.value);

        BidSubmission(msg.sender, msg.value, missing_funds);

        assert(received_wei >= msg.value);
    }

    /// @notice Claim auction tokens for `msg.sender` after the auction has ended.
    /// @dev Claims tokens for `msg.sender` after auction. To be used if tokens can
    /// be claimed by beneficiaries, individually.
    function claimTokens() public atStage(Stages.AuctionEnded) returns (bool) {
        return proxyClaimTokens(msg.sender);
    }

    /// @notice Claim auction tokens for `receiver_address` after the auction has ended.
    /// @dev Claims tokens for `receiver_address` after auction has ended.
    /// @param receiver_address Tokens will be assigned to this address if eligible.
    function proxyClaimTokens(address receiver_address)
        public
        atStage(Stages.AuctionEnded)
        returns (bool)
    {
        // Waiting period after the end of the auction, before anyone can claim tokens
        // Ensures enough time to check if auction was finalized correctly
        // before users start transacting tokens
        require(now > end_time + token_claim_waiting_period);
        require(receiver_address != 0x0);

        if (bids[receiver_address] == 0) {
            return false;
        }

        // Number of Rei = bid_wei / Rei = bid_wei / (wei_per_RDN * token_multiplier)
        uint num = (token_multiplier * bids[receiver_address]) / final_price;

        // Due to final_price floor rounding, the number of assigned tokens may be higher
        // than expected. Therefore, the number of remaining unassigned auction tokens
        // may be smaller than the number of tokens needed for the last claimTokens call
        uint auction_tokens_balance = token.balanceOf(address(this));
        if (num > auction_tokens_balance) {
            num = auction_tokens_balance;
        }

        // Update the total amount of funds for which tokens have been claimed
        funds_claimed += bids[receiver_address];

        // Set receiver bid to 0 before assigning tokens
        bids[receiver_address] = 0;

        require(token.transfer(receiver_address, num));

        ClaimedTokens(receiver_address, num);

        // After the last tokens are claimed, we change the auction stage
        // Due to the above logic, rounding errors will not be an issue
        if (funds_claimed == received_wei) {
            stage = Stages.TokensDistributed;
            TokensDistributed();
        }

        assert(token.balanceOf(receiver_address) >= num);
        assert(bids[receiver_address] == 0);
        return true;
    }

    /// @notice Get the RDN price in WEI during the auction, at the time of
    /// calling this function. Returns `0` if auction has ended.
    /// Returns `price_start` before auction has started.
    /// @dev Calculates the current RDN token price in WEI.
    /// @return Returns WEI per RDN (token_multiplier * Rei).
    function price() public constant returns (uint) {
        if (stage == Stages.AuctionEnded ||
            stage == Stages.TokensDistributed) {
            return 0;
        }
        return calcTokenPrice();
    }

    /// @notice Get the missing funds needed to end the auction,
    /// calculated at the current RDN price in WEI.
    /// @dev The missing funds amount necessary to end the auction at the current RDN price in WEI.
    /// @return Returns the missing funds amount in WEI.
    function missingFundsToEndAuction() constant public returns (uint) {

        // num_tokens_auctioned = total number of Rei (RDN * token_multiplier) that is auctioned
        uint required_wei_at_price = num_tokens_auctioned * price() / token_multiplier;
        if (required_wei_at_price <= received_wei) {
            return 0;
        }

        // assert(required_wei_at_price - received_wei > 0);
        return required_wei_at_price - received_wei;
    }

    /*
     *  Private functions
     */

    /// @dev Calculates the token price (WEI / RDN) at the current timestamp
    /// during the auction; elapsed time = 0 before auction starts.
    /// Based on the provided parameters, the price does not change in the first
    /// `price_constant^(1/price_exponent)` seconds due to rounding.
    /// Rounding in `decay_rate` also produces values that increase instead of decrease
    /// in the beginning; these spikes decrease over time and are noticeable
    /// only in first hours. This should be calculated before usage.
    /// @return Returns the token price - Wei per RDN.
    function calcTokenPrice() constant private returns (uint) {
        uint elapsed;
        if (stage == Stages.AuctionStarted) {
            elapsed = now - start_time;
        }

        uint decay_rate = elapsed ** price_exponent / price_constant;
        return price_start * (1 + elapsed) / (1 + elapsed + decay_rate);
    }
}

    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":"","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":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"num","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"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":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"auction_address","type":"address"},{"name":"wallet_address","type":"address"},{"name":"initial_supply","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_total_supply","type":"uint256"}],"name":"Deployed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_receiver","type":"address"},{"indexed":true,"name":"_num","type":"uint256"},{"indexed":true,"name":"_total_supply","type":"uint256"}],"name":"Burnt","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"},{"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"}]

  Contract Creation Code Switch To Opcodes View
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

    Constructor Arguments (ABI-encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000b5e5585d0057501c91c48094029a6f4fb10b5a0100000000000000000000000000c7122633a4ef0bc72f7d02456ee2b11e97561e00000000000000000000000000000000000000000052b7d2dcc80cd2e4000000

-----Decoded View---------------
Found 3 constructor arguments :
Arg [0] : 000000000000000000000000b5e5585d0057501c91c48094029a6f4fb10b5a01
Arg [1] : 00000000000000000000000000c7122633a4ef0bc72f7d02456ee2b11e97561e
Arg [2] : 00000000000000000000000000000000000000000052b7d2dcc80cd2e4000000


   Swarm Source:
bzzr://51e36fe02c0a5b63e4b6ede92505e12f7042ac77a16469c8c2e2928d1c00b735

 

View All
Block Age txn Difficulty GasUsed Reward
View All
Block Age UncleNumber Difficulty GasUsed Reward
Make sure to use the "downvote" button for any spammy posts, and the "upvote" for interesting conversations.