ETH Price: $3,396.84 (+0.81%)

Token

STASIS EURS Token (EURS)
 

Overview

Max Total Supply

124,125,940 EURS

Holders

5,101 ( 0.020%)

Market

Price

$1.04 @ 0.000306 ETH (+0.17%)

Onchain Market Cap

$129,215,103.54

Circulating Supply Market Cap

$129,241,057.00

Other Info

Token Contract (WITH 2 Decimals)

Balance
1.02 EURS

Value
$1.06 ( ~0.000312054394168325 Eth) [0.0000%]
0x689a7a791ffa0Bb41Eec713CFE16fF40E75b7eeE
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OVERVIEW

EURS token is a virtual financial asset that is designed to digitally mirror the EURO on the condition that its value is tied to the value of its collateral.

Market

Volume (24H):$442,271.00
Market Capitalization:$129,241,057.00
Circulating Supply:124,125,940.00 EURS
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
HitBTC
EURS-USDT$1.042
0.0003066 Eth
$409,737.00
393,988.720 EURS
87.2331%
2
Uniswap V3 (Polygon)
0XE111178A87A3BFF0C8D18DECBA5798827539AE99-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$1.045
0.0003075 Eth
$35,558.00
33,833.670 0XE111178A87A3BFF0C8D18DECBA5798827539AE99
7.4911%
3
XSwap Protocol V3
0X1EBB2C8A71A9EC59BF558886A8ADF8F4A565814F-0X951857744785E80E2DE051C32EE7B25F9C458C42$1.13
0.0003096 Eth
$26,576.00
4,692.470 0X1EBB2C8A71A9EC59BF558886A8ADF8F4A565814F
1.0390%
4
XSwap Protocol V3
0X1EBB2C8A71A9EC59BF558886A8ADF8F4A565814F-0X49D3F7543335CF38FA10889CCFF10207E22110B5$1.089
0.0004504 Eth
$11,646.13
7,903.410 0X1EBB2C8A71A9EC59BF558886A8ADF8F4A565814F
1.7499%
5
Curve (Ethereum)
0XDB25F211AB05B1C97D595516F45794528A807AD8-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.051
0.0003097 Eth
$9,123.83
8,692.840 0XDB25F211AB05B1C97D595516F45794528A807AD8
1.9247%
6
Curve (Ethereum)
0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8-0XDB25F211AB05B1C97D595516F45794528A807AD8$1.042
0.0003069 Eth
$8,129.95
7,825.973 0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8
1.7328%
7
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0XE111178A87A3BFF0C8D18DECBA5798827539AE99$1.045
0.0003075 Eth
$3,709.42
3,724.640 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.8247%
8
Curve (Ethereum)
0XDB25F211AB05B1C97D595516F45794528A807AD8-0XD71ECFF9342A5CED620049E616C5035F1DB98620$1.042
0.0003069 Eth
$1,236.50
1,186.540 0XDB25F211AB05B1C97D595516F45794528A807AD8
0.2627%
9
HitBTC
BTC-EURS$1.043
0.0003161 Eth
$1,145.43
0.012 BTC
0.0000%
10
Curve (Ethereum)
0XC581B735A1688071A1746C968E0798D642EDE491-0XDB25F211AB05B1C97D595516F45794528A807AD8$1.042
0.0003069 Eth
$1,084.80
1,042.083 0XC581B735A1688071A1746C968E0798D642EDE491
0.2307%
11
Curve (Polygon)
0XE2AA7DB6DA1DAE97C5F5C6914D285FBFCC32A128-0XE111178A87A3BFF0C8D18DECBA5798827539AE99$1.044
0.0003076 Eth
$986.59
968.223 0XE2AA7DB6DA1DAE97C5F5C6914D285FBFCC32A128
0.2144%
12
Curve (Polygon)
0XE111178A87A3BFF0C8D18DECBA5798827539AE99-0X7BDF330F423EA880FF95FC41A280FD5ECFD3D09F$1.036
0.0003051 Eth
$333.35
321.950 0XE111178A87A3BFF0C8D18DECBA5798827539AE99
0.0713%
13
Uniswap V2 (Ethereum)
0XDB25F211AB05B1C97D595516F45794528A807AD8-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9886
0.0002839 Eth
$78.13
79.850 0XDB25F211AB05B1C97D595516F45794528A807AD8
0.0177%
14
XSwap Protocol V3
0X1EBB2C8A71A9EC59BF558886A8ADF8F4A565814F-0X5D5F074837F5D4618B3916BA74DE1BF9662A3FED$1.10
0.0004566 Eth
$47.48
3,787.060 0X1EBB2C8A71A9EC59BF558886A8ADF8F4A565814F
0.8385%
15
Uniswap V3 (Polygon)
0XE111178A87A3BFF0C8D18DECBA5798827539AE99-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$1.043
0.0003007 Eth
$43.93
42.070 0XE111178A87A3BFF0C8D18DECBA5798827539AE99
0.0093%
16
Uniswap V2 (Ethereum)
0XDB25F211AB05B1C97D595516F45794528A807AD8-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.018
0.0002902 Eth
$37.76
37.080 0XDB25F211AB05B1C97D595516F45794528A807AD8
0.0082%
17
YoBit
EURS-BTC$1.14
0.0003311 Eth
$27.03
23.644 EURS
0.0052%
18
HitBTC
XRP-EURS$1.042
0.0003069 Eth
$16.22
7.500 XRP
0.0017%
19
Uniswap V3 (Polygon)
0XE111178A87A3BFF0C8D18DECBA5798827539AE99-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$1.039
0.0002976 Eth
$10.21
9.830 0XE111178A87A3BFF0C8D18DECBA5798827539AE99
0.0022%
20
HitBTC
ETH-EURS$1.052
0.0003076 Eth
$9.79
0.003 ETH
0.0000%
21
HitBTC
ZEC-EURS$1.04
0.0002989 Eth
$6.32
0.100 ZEC
0.0000%
22
Curve (Polygon)
0X4E3DECBB3645551B8A19F0EA1678079FCB33FB4C-0XE111178A87A3BFF0C8D18DECBA5798827539AE99$1.046
0.0003083 Eth
$5.88
6.072 0X4E3DECBB3645551B8A19F0EA1678079FCB33FB4C
0.0013%
23
YoBit
EURS-ETH$1.16
0.0003331 Eth
$0.4064
0.350 EURS
0.0001%
24
YoBit
EURS-USD$1.15
0.0003303 Eth
$0.4023
0.350 EURS
0.0001%
25
HitBTC
EOS-EURS$1.041
0.0003064 Eth
$0.1561
0.200 EOS
0.0000%
26
HitBTC
DASH-EURS$1.043
0.0003132 Eth
$0.1095
0.003 DASH
0.0000%

Contract Source Code Verified (Exact Match)

Contract Name:
EURSToken

Compiler Version
v0.4.21+commit.dfe3193c

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2018-07-03
*/

/**
 * EURS Token Smart Contract: EIP-20 compatible token smart contract that
 * manages EURS tokens.
 */

/*
 * Safe Math Smart Contract.
 * Copyright (c) 2018 by STSS (Malta) Limited.
 * Contact: <[email protected]>
 */
pragma solidity ^0.4.20;

/**
 * Provides methods to safely add, subtract and multiply uint256 numbers.
 */
contract SafeMath {
  uint256 constant private MAX_UINT256 =
    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;

  /**
   * Add two uint256 values, throw in case of overflow.
   *
   * @param x first value to add
   * @param y second value to add
   * @return x + y
   */
  function safeAdd (uint256 x, uint256 y)
  pure internal
  returns (uint256 z) {
    assert (x <= MAX_UINT256 - y);
    return x + y;
  }

  /**
   * Subtract one uint256 value from another, throw in case of underflow.
   *
   * @param x value to subtract from
   * @param y value to subtract
   * @return x - y
   */
  function safeSub (uint256 x, uint256 y)
  pure internal
  returns (uint256 z) {
    assert (x >= y);
    return x - y;
  }

  /**
   * Multiply two uint256 values, throw in case of overflow.
   *
   * @param x first value to multiply
   * @param y second value to multiply
   * @return x * y
   */
  function safeMul (uint256 x, uint256 y)
  pure internal
  returns (uint256 z) {
    if (y == 0) return 0; // Prevent division by zero at the next line
    assert (x <= MAX_UINT256 / y);
    return x * y;
  }
}
/*
 * EIP-20 Standard Token Smart Contract Interface.
 * Copyright (c) 2018 by STSS (Malta) Limited.
 * Contact: <[email protected]>

 * ERC-20 standard token interface, as defined
 * <a href="https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md">here</a>.
 */
contract Token {
  /**
   * Get total number of tokens in circulation.
   *
   * @return total number of tokens in circulation
   */
  function totalSupply () public view returns (uint256 supply);

  /**
   * Get number of tokens currently belonging to given owner.
   *
   * @param _owner address to get number of tokens currently belonging to the
   *        owner of
   * @return number of tokens currently belonging to the owner of given address
   */
  function balanceOf (address _owner) public view returns (uint256 balance);

  /**
   * Transfer given number of tokens from message sender to given recipient.
   *
   * @param _to address to transfer tokens to the owner of
   * @param _value number of tokens to transfer to the owner of given address
   * @return true if tokens were transferred successfully, false otherwise
   */
  function transfer (address _to, uint256 _value)
  public payable returns (bool success);

  /**
   * Transfer given number of tokens from given owner to given recipient.
   *
   * @param _from address to transfer tokens from the owner of
   * @param _to address to transfer tokens to the owner of
   * @param _value number of tokens to transfer from given owner to given
   *        recipient
   * @return true if tokens were transferred successfully, false otherwise
   */
  function transferFrom (address _from, address _to, uint256 _value)
  public payable returns (bool success);

  /**
   * Allow given spender to transfer given number of tokens from message sender.
   *
   * @param _spender address to allow the owner of to transfer tokens from
   *        message sender
   * @param _value number of tokens to allow to transfer
   * @return true if token transfer was successfully approved, false otherwise
   */
  function approve (address _spender, uint256 _value)
  public payable returns (bool success);

  /**
   * Tell how many tokens given spender is currently allowed to transfer from
   * given owner.
   *
   * @param _owner address to get number of tokens allowed to be transferred
   *        from the owner of
   * @param _spender address to get number of tokens allowed to be transferred
   *        by the owner of
   * @return number of tokens given spender is currently allowed to transfer
   *         from given owner
   */
  function allowance (address _owner, address _spender)
  public view returns (uint256 remaining);

  /**
   * Logged when tokens were transferred from one owner to another.
   *
   * @param _from address of the owner, tokens were transferred from
   * @param _to address of the owner, tokens were transferred to
   * @param _value number of tokens transferred
   */
  event Transfer (address indexed _from, address indexed _to, uint256 _value);

  /**
   * Logged when owner approved his tokens to be transferred by some spender.
   *
   * @param _owner owner who approved his tokens to be transferred
   * @param _spender spender who were allowed to transfer the tokens belonging
   *        to the owner
   * @param _value number of tokens belonging to the owner, approved to be
   *        transferred by the spender
   */
  event Approval (
    address indexed _owner, address indexed _spender, uint256 _value);
}
/*
 * Abstract Token Smart Contract.
 * Copyright (c) 2018 by STSS (Malta) Limited.
 * Contact: <[email protected]>

 * Abstract Token Smart Contract that could be used as a base contract for
 * ERC-20 token contracts.
 */
contract AbstractToken is Token, SafeMath {
  /**
   * Create new Abstract Token contract.
   */
  function AbstractToken () public {
    // Do nothing
  }

  /**
   * Get number of tokens currently belonging to given owner.
   *
   * @param _owner address to get number of tokens currently belonging to the
   *        owner of
   * @return number of tokens currently belonging to the owner of given address
   */
  function balanceOf (address _owner) public view returns (uint256 balance) {
    return accounts [_owner];
  }

  /**
   * Transfer given number of tokens from message sender to given recipient.
   *
   * @param _to address to transfer tokens to the owner of
   * @param _value number of tokens to transfer to the owner of given address
   * @return true if tokens were transferred successfully, false otherwise
   */
  function transfer (address _to, uint256 _value)
  public payable returns (bool success) {
    uint256 fromBalance = accounts [msg.sender];
    if (fromBalance < _value) return false;
    if (_value > 0 && msg.sender != _to) {
      accounts [msg.sender] = safeSub (fromBalance, _value);
      accounts [_to] = safeAdd (accounts [_to], _value);
    }
    Transfer (msg.sender, _to, _value);
    return true;
  }

  /**
   * Transfer given number of tokens from given owner to given recipient.
   *
   * @param _from address to transfer tokens from the owner of
   * @param _to address to transfer tokens to the owner of
   * @param _value number of tokens to transfer from given owner to given
   *        recipient
   * @return true if tokens were transferred successfully, false otherwise
   */
  function transferFrom (address _from, address _to, uint256 _value)
  public payable returns (bool success) {
    uint256 spenderAllowance = allowances [_from][msg.sender];
    if (spenderAllowance < _value) return false;
    uint256 fromBalance = accounts [_from];
    if (fromBalance < _value) return false;

    allowances [_from][msg.sender] =
      safeSub (spenderAllowance, _value);

    if (_value > 0 && _from != _to) {
      accounts [_from] = safeSub (fromBalance, _value);
      accounts [_to] = safeAdd (accounts [_to], _value);
    }
    Transfer (_from, _to, _value);
    return true;
  }

  /**
   * Allow given spender to transfer given number of tokens from message sender.
   *
   * @param _spender address to allow the owner of to transfer tokens from
   *        message sender
   * @param _value number of tokens to allow to transfer
   * @return true if token transfer was successfully approved, false otherwise
   */
  function approve (address _spender, uint256 _value)
  public payable returns (bool success) {
    allowances [msg.sender][_spender] = _value;
    Approval (msg.sender, _spender, _value);

    return true;
  }

  /**
   * Tell how many tokens given spender is currently allowed to transfer from
   * given owner.
   *
   * @param _owner address to get number of tokens allowed to be transferred
   *        from the owner of
   * @param _spender address to get number of tokens allowed to be transferred
   *        by the owner of
   * @return number of tokens given spender is currently allowed to transfer
   *         from given owner
   */
  function allowance (address _owner, address _spender)
  public view returns (uint256 remaining) {
    return allowances [_owner][_spender];
  }

  /**
   * Mapping from addresses of token holders to the numbers of tokens belonging
   * to these token holders.
   */
  mapping (address => uint256) internal accounts;

  /**
   * Mapping from addresses of token holders to the mapping of addresses of
   * spenders to the allowances set by these token holders to these spenders.
   */
  mapping (address => mapping (address => uint256)) internal allowances;
}

/*
 * EURS Token Smart Contract.
 * Copyright (c) 2018 by STSS (Malta) Limited.
 * Contact: <[email protected]>
 */

contract EURSToken is AbstractToken {
  /**
   * Fee denominator (0.001%).
   */
  uint256 constant internal FEE_DENOMINATOR = 100000;

  /**
   * Maximum fee numerator (100%).
   */
  uint256 constant internal MAX_FEE_NUMERATOR = FEE_DENOMINATOR;

  /**
   * Minimum fee numerator (0%).
   */
  uint256 constant internal MIN_FEE_NUMERATIOR = 0;

  /**
   * Maximum allowed number of tokens in circulation.
   */
  uint256 constant internal MAX_TOKENS_COUNT =
    0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff /
    MAX_FEE_NUMERATOR;

  /**
   * Default transfer fee.
   */
  uint256 constant internal DEFAULT_FEE = 5e2;

  /**
   * Address flag that marks black listed addresses.
   */
  uint256 constant internal BLACK_LIST_FLAG = 0x01;

  /**
   * Address flag that marks zero fee addresses.
   */
  uint256 constant internal ZERO_FEE_FLAG = 0x02;

  modifier delegatable {
    if (delegate == address (0)) {
      require (msg.value == 0); // Non payable if not delegated
      _;
    } else {
      assembly {
        // Save owner
        let oldOwner := sload (owner_slot)

        // Save delegate
        let oldDelegate := sload (delegate_slot)

        // Solidity stores address of the beginning of free memory at 0x40
        let buffer := mload (0x40)

        // Copy message call data into buffer
        calldatacopy (buffer, 0, calldatasize)

        // Lets call our delegate
        let result := delegatecall (gas, oldDelegate, buffer, calldatasize, buffer, 0)

        // Check, whether owner was changed
        switch eq (oldOwner, sload (owner_slot))
        case 1 {} // Owner was not changed, fine
        default {revert (0, 0) } // Owner was changed, revert!

        // Check, whether delegate was changed
        switch eq (oldDelegate, sload (delegate_slot))
        case 1 {} // Delegate was not changed, fine
        default {revert (0, 0) } // Delegate was changed, revert!

        // Copy returned value into buffer
        returndatacopy (buffer, 0, returndatasize)

        // Check call status
        switch result
        case 0 { revert (buffer, returndatasize) } // Call failed, revert!
        default { return (buffer, returndatasize) } // Call succeeded, return
      }
    }
  }

  /**
   * Create EURS Token smart contract with message sender as an owner.
   *
   * @param _feeCollector address fees are sent to
   */
  function EURSToken (address _feeCollector) public {
    fixedFee = DEFAULT_FEE;
    minVariableFee = 0;
    maxVariableFee = 0;
    variableFeeNumerator = 0;

    owner = msg.sender;
    feeCollector = _feeCollector;
  }

  /**
   * Delegate unrecognized functions.
   */
  function () public delegatable payable {
    revert (); // Revert if not delegated
  }

  /**
   * Get name of the token.
   *
   * @return name of the token
   */
  function name () public delegatable view returns (string) {
    return "STASIS EURS Token";
  }

  /**
   * Get symbol of the token.
   *
   * @return symbol of the token
   */
  function symbol () public delegatable view returns (string) {
    return "EURS";
  }

  /**
   * Get number of decimals for the token.
   *
   * @return number of decimals for the token
   */
  function decimals () public delegatable view returns (uint8) {
    return 2;
  }

  /**
   * Get total number of tokens in circulation.
   *
   * @return total number of tokens in circulation
   */
  function totalSupply () public delegatable view returns (uint256) {
    return tokensCount;
  }

  /**
   * Get number of tokens currently belonging to given owner.
   *
   * @param _owner address to get number of tokens currently belonging to the
   *        owner of
   * @return number of tokens currently belonging to the owner of given address
   */
  function balanceOf (address _owner)
    public delegatable view returns (uint256 balance) {
    return AbstractToken.balanceOf (_owner);
  }

  /**
   * Transfer given number of tokens from message sender to given recipient.
   *
   * @param _to address to transfer tokens to the owner of
   * @param _value number of tokens to transfer to the owner of given address
   * @return true if tokens were transferred successfully, false otherwise
   */
  function transfer (address _to, uint256 _value)
  public delegatable payable returns (bool) {
    if (frozen) return false;
    else if (
      (addressFlags [msg.sender] | addressFlags [_to]) & BLACK_LIST_FLAG ==
      BLACK_LIST_FLAG)
      return false;
    else {
      uint256 fee =
        (addressFlags [msg.sender] | addressFlags [_to]) & ZERO_FEE_FLAG == ZERO_FEE_FLAG ?
          0 :
          calculateFee (_value);

      if (_value <= accounts [msg.sender] &&
          fee <= safeSub (accounts [msg.sender], _value)) {
        require (AbstractToken.transfer (_to, _value));
        require (AbstractToken.transfer (feeCollector, fee));
        return true;
      } else return false;
    }
  }

  /**
   * Transfer given number of tokens from given owner to given recipient.
   *
   * @param _from address to transfer tokens from the owner of
   * @param _to address to transfer tokens to the owner of
   * @param _value number of tokens to transfer from given owner to given
   *        recipient
   * @return true if tokens were transferred successfully, false otherwise
   */
  function transferFrom (address _from, address _to, uint256 _value)
  public delegatable payable returns (bool) {
    if (frozen) return false;
    else if (
      (addressFlags [_from] | addressFlags [_to]) & BLACK_LIST_FLAG ==
      BLACK_LIST_FLAG)
      return false;
    else {
      uint256 fee =
        (addressFlags [_from] | addressFlags [_to]) & ZERO_FEE_FLAG == ZERO_FEE_FLAG ?
          0 :
          calculateFee (_value);

      if (_value <= allowances [_from][msg.sender] &&
          fee <= safeSub (allowances [_from][msg.sender], _value) &&
          _value <= accounts [_from] &&
          fee <= safeSub (accounts [_from], _value)) {
        require (AbstractToken.transferFrom (_from, _to, _value));
        require (AbstractToken.transferFrom (_from, feeCollector, fee));
        return true;
      } else return false;
    }
  }

  /**
   * Allow given spender to transfer given number of tokens from message sender.
   *
   * @param _spender address to allow the owner of to transfer tokens from
   *        message sender
   * @param _value number of tokens to allow to transfer
   * @return true if token transfer was successfully approved, false otherwise
   */
  function approve (address _spender, uint256 _value)
  public delegatable payable returns (bool success) {
    return AbstractToken.approve (_spender, _value);
  }

  /**
   * Tell how many tokens given spender is currently allowed to transfer from
   * given owner.
   *
   * @param _owner address to get number of tokens allowed to be transferred
   *        from the owner of
   * @param _spender address to get number of tokens allowed to be transferred
   *        by the owner of
   * @return number of tokens given spender is currently allowed to transfer
   *         from given owner
   */
  function allowance (address _owner, address _spender)
  public delegatable view returns (uint256 remaining) {
    return AbstractToken.allowance (_owner, _spender);
  }

  /**
   * Transfer given number of token from the signed defined by digital signature
   * to given recipient.
   *
   * @param _to address to transfer token to the owner of
   * @param _value number of tokens to transfer
   * @param _fee number of tokens to give to message sender
   * @param _nonce nonce of the transfer
   * @param _v parameter V of digital signature
   * @param _r parameter R of digital signature
   * @param _s parameter S of digital signature
   */
  function delegatedTransfer (
    address _to, uint256 _value, uint256 _fee,
    uint256 _nonce, uint8 _v, bytes32 _r, bytes32 _s)
  public delegatable payable returns (bool) {
    if (frozen) return false;
    else {
      address _from = ecrecover (
        keccak256 (
          thisAddress (), messageSenderAddress (), _to, _value, _fee, _nonce),
        _v, _r, _s);

      if (_nonce != nonces [_from]) return false;

      if (
        (addressFlags [_from] | addressFlags [_to]) & BLACK_LIST_FLAG ==
        BLACK_LIST_FLAG)
        return false;

      uint256 fee =
        (addressFlags [_from] | addressFlags [_to]) & ZERO_FEE_FLAG == ZERO_FEE_FLAG ?
          0 :
          calculateFee (_value);

      uint256 balance = accounts [_from];
      if (_value > balance) return false;
      balance = safeSub (balance, _value);
      if (fee > balance) return false;
      balance = safeSub (balance, fee);
      if (_fee > balance) return false;
      balance = safeSub (balance, _fee);

      nonces [_from] = _nonce + 1;

      accounts [_from] = balance;
      accounts [_to] = safeAdd (accounts [_to], _value);
      accounts [feeCollector] = safeAdd (accounts [feeCollector], fee);
      accounts [msg.sender] = safeAdd (accounts [msg.sender], _fee);

      Transfer (_from, _to, _value);
      Transfer (_from, feeCollector, fee);
      Transfer (_from, msg.sender, _fee);

      return true;
    }
  }

  /**
   * Create tokens.
   *
   * @param _value number of tokens to be created.
   */
  function createTokens (uint256 _value)
  public delegatable payable returns (bool) {
    require (msg.sender == owner);

    if (_value > 0) {
      if (_value <= safeSub (MAX_TOKENS_COUNT, tokensCount)) {
        accounts [msg.sender] = safeAdd (accounts [msg.sender], _value);
        tokensCount = safeAdd (tokensCount, _value);

        Transfer (address (0), msg.sender, _value);

        return true;
      } else return false;
    } else return true;
  }

  /**
   * Burn tokens.
   *
   * @param _value number of tokens to burn
   */
  function burnTokens (uint256 _value)
  public delegatable payable returns (bool) {
    require (msg.sender == owner);

    if (_value > 0) {
      if (_value <= accounts [msg.sender]) {
        accounts [msg.sender] = safeSub (accounts [msg.sender], _value);
        tokensCount = safeSub (tokensCount, _value);

        Transfer (msg.sender, address (0), _value);

        return true;
      } else return false;
    } else return true;
  }

  /**
   * Freeze token transfers.
   */
  function freezeTransfers () public delegatable payable {
    require (msg.sender == owner);

    if (!frozen) {
      frozen = true;

      Freeze ();
    }
  }

  /**
   * Unfreeze token transfers.
   */
  function unfreezeTransfers () public delegatable payable {
    require (msg.sender == owner);

    if (frozen) {
      frozen = false;

      Unfreeze ();
    }
  }

  /**
   * Set smart contract owner.
   *
   * @param _newOwner address of the new owner
   */
  function setOwner (address _newOwner) public {
    require (msg.sender == owner);

    owner = _newOwner;
  }

  /**
   * Set fee collector.
   *
   * @param _newFeeCollector address of the new fee collector
   */
  function setFeeCollector (address _newFeeCollector)
  public delegatable payable {
    require (msg.sender == owner);

    feeCollector = _newFeeCollector;
  }

  /**
   * Get current nonce for token holder with given address, i.e. nonce this
   * token holder should use for next delegated transfer.
   *
   * @param _owner address of the token holder to get nonce for
   * @return current nonce for token holder with give address
   */
  function nonce (address _owner) public view delegatable returns (uint256) {
    return nonces [_owner];
  }

  /**
   * Set fee parameters.
   *
   * @param _fixedFee fixed fee in token units
   * @param _minVariableFee minimum variable fee in token units
   * @param _maxVariableFee maximum variable fee in token units
   * @param _variableFeeNumerator variable fee numerator
   */
  function setFeeParameters (
    uint256 _fixedFee,
    uint256 _minVariableFee,
    uint256 _maxVariableFee,
    uint256 _variableFeeNumerator) public delegatable payable {
    require (msg.sender == owner);

    require (_minVariableFee <= _maxVariableFee);
    require (_variableFeeNumerator <= MAX_FEE_NUMERATOR);

    fixedFee = _fixedFee;
    minVariableFee = _minVariableFee;
    maxVariableFee = _maxVariableFee;
    variableFeeNumerator = _variableFeeNumerator;

    FeeChange (
      _fixedFee, _minVariableFee, _maxVariableFee, _variableFeeNumerator);
  }

  /**
   * Get fee parameters.
   *
   * @return fee parameters
   */
  function getFeeParameters () public delegatable view returns (
    uint256 _fixedFee,
    uint256 _minVariableFee,
    uint256 _maxVariableFee,
    uint256 _variableFeeNumnerator) {
    _fixedFee = fixedFee;
    _minVariableFee = minVariableFee;
    _maxVariableFee = maxVariableFee;
    _variableFeeNumnerator = variableFeeNumerator;
  }

  /**
   * Calculate fee for transfer of given number of tokens.
   *
   * @param _amount transfer amount to calculate fee for
   * @return fee for transfer of given amount
   */
  function calculateFee (uint256 _amount)
    public delegatable view returns (uint256 _fee) {
    require (_amount <= MAX_TOKENS_COUNT);

    _fee = safeMul (_amount, variableFeeNumerator) / FEE_DENOMINATOR;
    if (_fee < minVariableFee) _fee = minVariableFee;
    if (_fee > maxVariableFee) _fee = maxVariableFee;
    _fee = safeAdd (_fee, fixedFee);
  }

  /**
   * Set flags for given address.
   *
   * @param _address address to set flags for
   * @param _flags flags to set
   */
  function setFlags (address _address, uint256 _flags)
  public delegatable payable {
    require (msg.sender == owner);

    addressFlags [_address] = _flags;
  }

  /**
   * Get flags for given address.
   *
   * @param _address address to get flags for
   * @return flags for given address
   */
  function flags (address _address) public delegatable view returns (uint256) {
    return addressFlags [_address];
  }

  /**
   * Set address of smart contract to delegate execution of delegatable methods
   * to.
   *
   * @param _delegate address of smart contract to delegate execution of
   * delegatable methods to, or zero to not delegate delegatable methods
   * execution.
   */
  function setDelegate (address _delegate) public {
    require (msg.sender == owner);

    if (delegate != _delegate) {
      delegate = _delegate;
      Delegation (delegate);
    }
  }

  /**
   * Get address of this smart contract.
   *
   * @return address of this smart contract
   */
  function thisAddress () internal view returns (address) {
    return this;
  }

  /**
   * Get address of message sender.
   *
   * @return address of this smart contract
   */
  function messageSenderAddress () internal view returns (address) {
    return msg.sender;
  }

  /**
   * Owner of the smart contract.
   */
  address internal owner;

  /**
   * Address where fees are sent to.
   */
  address internal feeCollector;

  /**
   * Number of tokens in circulation.
   */
  uint256 internal tokensCount;

  /**
   * Whether token transfers are currently frozen.
   */
  bool internal frozen;

  /**
   * Mapping from sender's address to the next delegated transfer nonce.
   */
  mapping (address => uint256) internal nonces;

  /**
   * Fixed fee amount in token units.
   */
  uint256 internal fixedFee;

  /**
   * Minimum variable fee in token units.
   */
  uint256 internal minVariableFee;

  /**
   * Maximum variable fee in token units.
   */
  uint256 internal maxVariableFee;

  /**
   * Variable fee numerator.
   */
  uint256 internal variableFeeNumerator;

  /**
   * Maps address to its flags.
   */
  mapping (address => uint256) internal addressFlags;

  /**
   * Address of smart contract to delegate execution of delegatable methods to,
   * or zero to not delegate delegatable methods execution.
   */
  address internal delegate;

  /**
   * Logged when token transfers were frozen.
   */
  event Freeze ();

  /**
   * Logged when token transfers were unfrozen.
   */
  event Unfreeze ();

  /**
   * Logged when fee parameters were changed.
   *
   * @param fixedFee fixed fee in token units
   * @param minVariableFee minimum variable fee in token units
   * @param maxVariableFee maximum variable fee in token units
   * @param variableFeeNumerator variable fee numerator
   */
  event FeeChange (
    uint256 fixedFee,
    uint256 minVariableFee,
    uint256 maxVariableFee,
    uint256 variableFeeNumerator);

  /**
   * Logged when address of smart contract execution of delegatable methods is
   * delegated to was changed.
   *
   * @param delegate new address of smart contract execution of delegatable
   * methods is delegated to or zero if execution of delegatable methods is
   * oot delegated.
   */
  event Delegation (address delegate);
}

Contract Security Audit

Contract ABI

[{"constant":false,"inputs":[],"name":"freezeTransfers","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"setOwner","outputs":[],"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":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"unfreezeTransfers","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"getFeeParameters","outputs":[{"name":"_fixedFee","type":"uint256"},{"name":"_minVariableFee","type":"uint256"},{"name":"_maxVariableFee","type":"uint256"},{"name":"_variableFeeNumnerator","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burnTokens","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"nonce","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"createTokens","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_amount","type":"uint256"}],"name":"calculateFee","outputs":[{"name":"_fee","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_address","type":"address"}],"name":"flags","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newFeeCollector","type":"address"}],"name":"setFeeCollector","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_address","type":"address"},{"name":"_flags","type":"uint256"}],"name":"setFlags","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_fee","type":"uint256"},{"name":"_nonce","type":"uint256"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"}],"name":"delegatedTransfer","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_delegate","type":"address"}],"name":"setDelegate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_fixedFee","type":"uint256"},{"name":"_minVariableFee","type":"uint256"},{"name":"_maxVariableFee","type":"uint256"},{"name":"_variableFeeNumerator","type":"uint256"}],"name":"setFeeParameters","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_feeCollector","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[],"name":"Freeze","type":"event"},{"anonymous":false,"inputs":[],"name":"Unfreeze","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"fixedFee","type":"uint256"},{"indexed":false,"name":"minVariab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Deployed Bytecode

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

00000000000000000000000070250fcFEf983C9b912c8EEFB7021B4b7baE836e

-----Decoded View---------------
Arg [0] : _feeCollector (address): 0x70250fcFEf983C9b912c8EEFB7021B4b7baE836e

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000070250fcFEf983C9b912c8EEFB7021B4b7baE836e


Swarm Source

bzzr://27e03fc3f414023826a7fb6fd321bb5c5ba610cbb273a99d307095a1b3d0b811
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