ETH Price: $1,874.91 (+0.29%)

Transaction Decoder

Block:
5610957 at May-14-2018 07:15:02 AM +UTC
Transaction Fee:
0.000388864 ETH $0.73
Gas Used:
48,608 Gas / 8 Gwei

Emitted Events:

173 MtnToken.Transfer( from=[Receiver] EtherDelta, to=[Sender] 0x7e0788e0dd33ca1f71e9d9bbe860b27f6df20fb4, value=8300000000000000000000 )
174 EtherDelta.Withdraw( token=MtnToken, user=[Sender] 0x7e0788e0dd33ca1f71e9d9bbe860b27f6df20fb4, amount=8300000000000000000000, balance=0 )

Account State Difference:

  Address   Before After State Difference Code
0x41dBECc1...Ee2754DE3
0x7e0788E0...f6DF20Fb4
1.826719682515553035 Eth
Nonce: 147
1.826330818515553035 Eth
Nonce: 148
0.000388864
0x8d12A197...2A5CC6819
(EtherDelta 2)
10,923.474978697931330073 Eth10,923.475367561931330073 Eth0.000388864

Execution Trace

EtherDelta.withdrawToken( token=0x41dBECc1cdC5517C6f76f6a6E836aDbEe2754DE3, amount=8300000000000000000000 )
  • MtnToken.transfer( _to=0x7e0788E0Dd33Ca1f71E9D9BbE860b27f6DF20Fb4, _value=8300000000000000000000 ) => ( True )
    File 1 of 2: EtherDelta
    pragma solidity ^0.4.9;
    
    contract SafeMath {
      function safeMul(uint a, uint b) internal returns (uint) {
        uint c = a * b;
        assert(a == 0 || c / a == b);
        return c;
      }
    
      function safeSub(uint a, uint b) internal returns (uint) {
        assert(b <= a);
        return a - b;
      }
    
      function safeAdd(uint a, uint b) internal returns (uint) {
        uint c = a + b;
        assert(c>=a && c>=b);
        return c;
      }
    
      function assert(bool assertion) internal {
        if (!assertion) throw;
      }
    }
    
    contract Token {
      /// @return total amount of tokens
      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);
    
      uint public decimals;
      string public name;
    }
    
    contract StandardToken is Token {
    
      function transfer(address _to, uint256 _value) returns (bool success) {
        //Default assumes totalSupply can't be over max (2^256 - 1).
        //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap.
        //Replace the if with this one instead.
        if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
        //if (balances[msg.sender] >= _value && _value > 0) {
          balances[msg.sender] -= _value;
          balances[_to] += _value;
          Transfer(msg.sender, _to, _value);
          return true;
        } else { return false; }
      }
    
      function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
        //same as above. Replace this line with the following if you want to protect against wrapping uints.
        if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
        //if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
          balances[_to] += _value;
          balances[_from] -= _value;
          allowed[_from][msg.sender] -= _value;
          Transfer(_from, _to, _value);
          return true;
        } else { return false; }
      }
    
      function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
      }
    
      function approve(address _spender, uint256 _value) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
      }
    
      function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
      }
    
      mapping(address => uint256) balances;
    
      mapping (address => mapping (address => uint256)) allowed;
    
      uint256 public totalSupply;
    }
    
    contract ReserveToken is StandardToken, SafeMath {
      address public minter;
      function ReserveToken() {
        minter = msg.sender;
      }
      function create(address account, uint amount) {
        if (msg.sender != minter) throw;
        balances[account] = safeAdd(balances[account], amount);
        totalSupply = safeAdd(totalSupply, amount);
      }
      function destroy(address account, uint amount) {
        if (msg.sender != minter) throw;
        if (balances[account] < amount) throw;
        balances[account] = safeSub(balances[account], amount);
        totalSupply = safeSub(totalSupply, amount);
      }
    }
    
    contract AccountLevels {
      //given a user, returns an account level
      //0 = regular user (pays take fee and make fee)
      //1 = market maker silver (pays take fee, no make fee, gets rebate)
      //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate)
      function accountLevel(address user) constant returns(uint) {}
    }
    
    contract AccountLevelsTest is AccountLevels {
      mapping (address => uint) public accountLevels;
    
      function setAccountLevel(address user, uint level) {
        accountLevels[user] = level;
      }
    
      function accountLevel(address user) constant returns(uint) {
        return accountLevels[user];
      }
    }
    
    contract EtherDelta is SafeMath {
      address public admin; //the admin address
      address public feeAccount; //the account that will receive fees
      address public accountLevelsAddr; //the address of the AccountLevels contract
      uint public feeMake; //percentage times (1 ether)
      uint public feeTake; //percentage times (1 ether)
      uint public feeRebate; //percentage times (1 ether)
      mapping (address => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether)
      mapping (address => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature)
      mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled)
    
      event Order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user);
      event Cancel(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s);
      event Trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give);
      event Deposit(address token, address user, uint amount, uint balance);
      event Withdraw(address token, address user, uint amount, uint balance);
    
      function EtherDelta(address admin_, address feeAccount_, address accountLevelsAddr_, uint feeMake_, uint feeTake_, uint feeRebate_) {
        admin = admin_;
        feeAccount = feeAccount_;
        accountLevelsAddr = accountLevelsAddr_;
        feeMake = feeMake_;
        feeTake = feeTake_;
        feeRebate = feeRebate_;
      }
    
      function() {
        throw;
      }
    
      function changeAdmin(address admin_) {
        if (msg.sender != admin) throw;
        admin = admin_;
      }
    
      function changeAccountLevelsAddr(address accountLevelsAddr_) {
        if (msg.sender != admin) throw;
        accountLevelsAddr = accountLevelsAddr_;
      }
    
      function changeFeeAccount(address feeAccount_) {
        if (msg.sender != admin) throw;
        feeAccount = feeAccount_;
      }
    
      function changeFeeMake(uint feeMake_) {
        if (msg.sender != admin) throw;
        if (feeMake_ > feeMake) throw;
        feeMake = feeMake_;
      }
    
      function changeFeeTake(uint feeTake_) {
        if (msg.sender != admin) throw;
        if (feeTake_ > feeTake || feeTake_ < feeRebate) throw;
        feeTake = feeTake_;
      }
    
      function changeFeeRebate(uint feeRebate_) {
        if (msg.sender != admin) throw;
        if (feeRebate_ < feeRebate || feeRebate_ > feeTake) throw;
        feeRebate = feeRebate_;
      }
    
      function deposit() payable {
        tokens[0][msg.sender] = safeAdd(tokens[0][msg.sender], msg.value);
        Deposit(0, msg.sender, msg.value, tokens[0][msg.sender]);
      }
    
      function withdraw(uint amount) {
        if (tokens[0][msg.sender] < amount) throw;
        tokens[0][msg.sender] = safeSub(tokens[0][msg.sender], amount);
        if (!msg.sender.call.value(amount)()) throw;
        Withdraw(0, msg.sender, amount, tokens[0][msg.sender]);
      }
    
      function depositToken(address token, uint amount) {
        //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf.
        if (token==0) throw;
        if (!Token(token).transferFrom(msg.sender, this, amount)) throw;
        tokens[token][msg.sender] = safeAdd(tokens[token][msg.sender], amount);
        Deposit(token, msg.sender, amount, tokens[token][msg.sender]);
      }
    
      function withdrawToken(address token, uint amount) {
        if (token==0) throw;
        if (tokens[token][msg.sender] < amount) throw;
        tokens[token][msg.sender] = safeSub(tokens[token][msg.sender], amount);
        if (!Token(token).transfer(msg.sender, amount)) throw;
        Withdraw(token, msg.sender, amount, tokens[token][msg.sender]);
      }
    
      function balanceOf(address token, address user) constant returns (uint) {
        return tokens[token][user];
      }
    
      function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) {
        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
        orders[msg.sender][hash] = true;
        Order(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender);
      }
    
      function trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) {
        //amount is in amountGet terms
        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
        if (!(
          (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) &&
          block.number <= expires &&
          safeAdd(orderFills[user][hash], amount) <= amountGet
        )) throw;
        tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount);
        orderFills[user][hash] = safeAdd(orderFills[user][hash], amount);
        Trade(tokenGet, amount, tokenGive, amountGive * amount / amountGet, user, msg.sender);
      }
    
      function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) private {
        uint feeMakeXfer = safeMul(amount, feeMake) / (1 ether);
        uint feeTakeXfer = safeMul(amount, feeTake) / (1 ether);
        uint feeRebateXfer = 0;
        if (accountLevelsAddr != 0x0) {
          uint accountLevel = AccountLevels(accountLevelsAddr).accountLevel(user);
          if (accountLevel==1) feeRebateXfer = safeMul(amount, feeRebate) / (1 ether);
          if (accountLevel==2) feeRebateXfer = feeTakeXfer;
        }
        tokens[tokenGet][msg.sender] = safeSub(tokens[tokenGet][msg.sender], safeAdd(amount, feeTakeXfer));
        tokens[tokenGet][user] = safeAdd(tokens[tokenGet][user], safeSub(safeAdd(amount, feeRebateXfer), feeMakeXfer));
        tokens[tokenGet][feeAccount] = safeAdd(tokens[tokenGet][feeAccount], safeSub(safeAdd(feeMakeXfer, feeTakeXfer), feeRebateXfer));
        tokens[tokenGive][user] = safeSub(tokens[tokenGive][user], safeMul(amountGive, amount) / amountGet);
        tokens[tokenGive][msg.sender] = safeAdd(tokens[tokenGive][msg.sender], safeMul(amountGive, amount) / amountGet);
      }
    
      function testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) constant returns(bool) {
        if (!(
          tokens[tokenGet][sender] >= amount &&
          availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount
        )) return false;
        return true;
      }
    
      function availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) {
        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
        if (!(
          (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) &&
          block.number <= expires
        )) return 0;
        uint available1 = safeSub(amountGet, orderFills[user][hash]);
        uint available2 = safeMul(tokens[tokenGive][user], amountGet) / amountGive;
        if (available1<available2) return available1;
        return available2;
      }
    
      function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) {
        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
        return orderFills[user][hash];
      }
    
      function cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) {
        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
        if (!(orders[msg.sender][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == msg.sender)) throw;
        orderFills[msg.sender][hash] = amountGet;
        Cancel(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s);
      }
    }

    File 2 of 2: MtnToken
    //File: node_modules/zeppelin-solidity/contracts/token/ERC20Basic.sol
    pragma solidity ^0.4.18;
    
    
    /**
     * @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 view returns (uint256);
      function transfer(address to, uint256 value) public returns (bool);
      event Transfer(address indexed from, address indexed to, uint256 value);
    }
    
    //File: node_modules/zeppelin-solidity/contracts/math/SafeMath.sol
    pragma solidity ^0.4.18;
    
    
    /**
     * @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;
      }
    }
    
    //File: node_modules/zeppelin-solidity/contracts/token/BasicToken.sol
    pragma solidity ^0.4.18;
    
    
    
    
    
    
    /**
     * @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));
        require(_value <= balances[msg.sender]);
    
        // 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 view returns (uint256 balance) {
        return balances[_owner];
      }
    
    }
    
    //File: node_modules/zeppelin-solidity/contracts/token/ERC20.sol
    pragma solidity ^0.4.18;
    
    
    
    
    
    /**
     * @title ERC20 interface
     * @dev see https://github.com/ethereum/EIPs/issues/20
     */
    contract ERC20 is ERC20Basic {
      function allowance(address owner, address spender) public view 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);
    }
    
    //File: node_modules/zeppelin-solidity/contracts/token/StandardToken.sol
    pragma solidity ^0.4.18;
    
    
    
    
    
    
    /**
     * @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)) internal 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));
        require(_value <= balances[_from]);
        require(_value <= allowed[_from][msg.sender]);
    
        balances[_from] = balances[_from].sub(_value);
        balances[_to] = balances[_to].add(_value);
        allowed[_from][msg.sender] = allowed[_from][msg.sender].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 view returns (uint256) {
        return allowed[_owner][_spender];
      }
    
      /**
       * @dev Increase the amount of tokens that an owner allowed to a 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
       * @param _spender The address which will spend the funds.
       * @param _addedValue The amount of tokens to increase the allowance by.
       */
      function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
        allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
        Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
        return true;
      }
    
      /**
       * @dev Decrease the amount of tokens that an owner allowed to a spender.
       *
       * approve should be called when allowed[_spender] == 0. To decrement
       * allowed value is better to use this function to avoid 2 calls (and wait until
       * the first transaction is mined)
       * From MonolithDAO Token.sol
       * @param _spender The address which will spend the funds.
       * @param _subtractedValue The amount of tokens to decrease the allowance by.
       */
      function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
        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;
      }
    
    }
    
    //File: node_modules/zeppelin-solidity/contracts/ownership/Ownable.sol
    pragma solidity ^0.4.18;
    
    
    /**
     * @title Ownable
     * @dev The Ownable contract has an owner address, and provides basic authorization control
     * functions, this simplifies the implementation of "user permissions".
     */
    contract Ownable {
      address public owner;
    
    
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    
    
      /**
       * @dev The Ownable constructor sets the original `owner` of the contract to the sender
       * account.
       */
      function Ownable() public {
        owner = msg.sender;
      }
    
    
      /**
       * @dev Throws if called by any account other than the owner.
       */
      modifier onlyOwner() {
        require(msg.sender == owner);
        _;
      }
    
    
      /**
       * @dev Allows the current owner to transfer control of the contract to a newOwner.
       * @param newOwner The address to transfer ownership to.
       */
      function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        OwnershipTransferred(owner, newOwner);
        owner = newOwner;
      }
    
    }
    
    //File: node_modules/zeppelin-solidity/contracts/token/MintableToken.sol
    pragma solidity ^0.4.18;
    
    
    
    
    
    
    
    /**
     * @title Mintable token
     * @dev Simple ERC20 Token example, with mintable token creation
     * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
     * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
     */
    
    contract MintableToken is StandardToken, Ownable {
      event Mint(address indexed to, uint256 amount);
      event MintFinished();
    
      bool public mintingFinished = false;
    
    
      modifier canMint() {
        require(!mintingFinished);
        _;
      }
    
      /**
       * @dev Function to mint tokens
       * @param _to The address that will receive the minted tokens.
       * @param _amount The amount of tokens to mint.
       * @return A boolean that indicates if the operation was successful.
       */
      function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
        totalSupply = totalSupply.add(_amount);
        balances[_to] = balances[_to].add(_amount);
        Mint(_to, _amount);
        Transfer(address(0), _to, _amount);
        return true;
      }
    
      /**
       * @dev Function to stop minting new tokens.
       * @return True if the operation was successful.
       */
      function finishMinting() onlyOwner canMint public returns (bool) {
        mintingFinished = true;
        MintFinished();
        return true;
      }
    }
    
    //File: node_modules/zeppelin-solidity/contracts/lifecycle/Pausable.sol
    pragma solidity ^0.4.18;
    
    
    
    
    
    /**
     * @title Pausable
     * @dev Base contract which allows children to implement an emergency stop mechanism.
     */
    contract Pausable is Ownable {
      event Pause();
      event Unpause();
    
      bool public paused = false;
    
    
      /**
       * @dev Modifier to make a function callable only when the contract is not paused.
       */
      modifier whenNotPaused() {
        require(!paused);
        _;
      }
    
      /**
       * @dev Modifier to make a function callable only when the contract is paused.
       */
      modifier whenPaused() {
        require(paused);
        _;
      }
    
      /**
       * @dev called by the owner to pause, triggers stopped state
       */
      function pause() onlyOwner whenNotPaused public {
        paused = true;
        Pause();
      }
    
      /**
       * @dev called by the owner to unpause, returns to normal state
       */
      function unpause() onlyOwner whenPaused public {
        paused = false;
        Unpause();
      }
    }
    
    //File: node_modules/zeppelin-solidity/contracts/token/PausableToken.sol
    pragma solidity ^0.4.18;
    
    
    
    
    /**
     * @title Pausable token
     *
     * @dev StandardToken modified with pausable transfers.
     **/
    
    contract PausableToken is StandardToken, Pausable {
    
      function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
        return super.transfer(_to, _value);
      }
    
      function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
        return super.transferFrom(_from, _to, _value);
      }
    
      function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
        return super.approve(_spender, _value);
      }
    
      function increaseApproval(address _spender, uint _addedValue) public whenNotPaused returns (bool success) {
        return super.increaseApproval(_spender, _addedValue);
      }
    
      function decreaseApproval(address _spender, uint _subtractedValue) public whenNotPaused returns (bool success) {
        return super.decreaseApproval(_spender, _subtractedValue);
      }
    }
    
    //File: src/contracts/ico/MtnToken.sol
    /**
     * @title MTN token
     *
     * @version 1.0
     * @author Validity Labs AG <[email protected]>
     */
    pragma solidity ^0.4.18;
    
    
    
    
    contract MtnToken is MintableToken, PausableToken {
        string public constant name = "MedToken";
        string public constant symbol = "MTN";
        uint8 public constant decimals = 18;
    
        /**
         * @dev Constructor of MtnToken that instantiates a new Mintable Pauseable Token
         */
        function MtnToken() public {
            // token should not be transferrable until after all tokens have been issued
            paused = true;
        }
    }