Contract Overview |  TokenStore
Balance: 1,260.074706586097339627 Ether
Ether Value: $149,482.66 (@ $118.63/ETH)
Transactions: 517262 txns
Misc:
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Contract Creator: 0x44a93f553bd529c19386b2ddfa30f458b0bc3b20at txn 0x386439acefbf00018b318f283a9ebc6185c483ff6738117243dba40fc1b42bb6
Token Balance:
 Latest 25 transactions from a total of 517262 transactions
(+3 PendingTxns)

TxHash Age From To Value [TxFee]
0xdd547b9540348ea10f794a2d4ece3aa11fb95ce6461f53009906663b928a8238(pending)0xfad3784e4af96616103353397c06d84bc9975704  IN  0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80 Ether(Pending)
0x50cf7d8d9689b721709e2781a437cf2d8d1b4c61e1b41ddac6a9bf79e74033ca(pending)0x70341976fa6bc9b23ac2cd4d849a033bd20f5716  IN  0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80 Ether(Pending)
0xe0a9fdf8a096007708071a5a402701b59a223650fed8386ae15cef6f8b2592f9(pending)0x8b4266c1d5e2ed6fd5814f0708cc8d67d7171600  IN  0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80 Ether(Pending)
0x11cf9cfcf61ededb7acd24994aff0caf819d39463ccd8f0bd4d2b22dc5464347 19 secs ago0x61c01767fb484241e95d6435f242f9cf1246e5f2  IN   TokenStore0 Ether0.000113688
0x4c2db348f1297bbfeb4c202130ce6ce09785c51121147f0e212dffc9dc9223e71 min ago0xe384a241c3b88b88adc70b9073fc479df78125f4  IN   TokenStore0 Ether0.0001834952
0xb39cf755cf670caf495189a4b5ec61267005285681edd032aac3e56f87c9af8a3 mins ago0x61c01767fb484241e95d6435f242f9cf1246e5f2  IN   TokenStore0 Ether0.000080499
0x732b3e65e4757edb3d2d4f4f1e398b8195e8e84ce61c8a087345db0aa2fe19f93 mins ago0xfb7d0a0b21db61564e08cc3961fca2b0fdff6635  IN   TokenStore0.1 Ether0.000149555
0x4e67e41b0215d7df22e95a8c54e7d4088842e967ee38d21881d0c88b8f6ca0e95 mins ago0xfb7d0a0b21db61564e08cc3961fca2b0fdff6635  IN   TokenStore0 Ether0.000313635
0xf7d65e1c75e5db36e8b5bf50d87326e6e16b88478bf7d288299fcb8588085d035 mins ago0xde388a9e23a9f3dbc71cc8390a82b9443d847963  IN   TokenStore0 Ether0.0001902453
0xb971e38d6b046489493d532fbd33072ba2e4ef55d6b0fdd92d96c5c6141193907 mins ago0x1bdc2ddf20a4b0b292978abbe753ea1de8c666e7  IN   TokenStore0 Ether0.00059
0xafb4d37fea4858da5b5bc6e858c2370402b2d0c886b7a06bfef240ecdea33dc87 mins ago0x61d3955499dc57d73eca49e1ad41a86f8429ceff  IN   TokenStore0 Ether0.000775872
0xa800428f796842fae06a8929a5291bd683e21edf8e4415d9a743a7b77295488212 mins ago0x48468aa264eb2004020ed58553b9393a6a3a8742  IN   TokenStore0.35 Ether0.000149555
0xde3b5f4485b5f11a77548ed6fc186d8cd47c905e8905c26dde992e69b676a29312 mins ago0x8085715abb47a0c0d418d58b8195d90c41d71375  IN   TokenStore0 Ether0.0009692
0x74d54455c740b2d54b4fb7cc913503b080e7f99acc0c7f2263c3050337c3a4ce18 mins ago0xeb34647f8e82affa142a32a571996de4ad1175e3  IN   TokenStore0 Ether0.00041024
0x5b8e1c4f300d8ea9d9479be936b34f2e926587f5114a85542c6871848ee45b2418 mins ago0x61d3955499dc57d73eca49e1ad41a86f8429ceff  IN   TokenStore0 Ether0.00077536
0x24e5d7e7a33bf3bbfefc3a956a2e53f41d17f7537f2e521753929fce5741167219 mins ago0x969c81a72aebe7f2739fcac089469a3a85559b6e  IN   TokenStore0 Ether0.000175744
0xb97328d5e5c239aff05f0d6f2aab635b85a61d7d5b864413e4da1cb62079f51e21 mins ago0xeb34647f8e82affa142a32a571996de4ad1175e3  IN   TokenStore0 Ether0.00048524
0xea2f3964eba2ab7b0e42bca09393c7d6ff1b5dcce3620147c20fe4020e38eb5c25 mins ago0x8902531e4614d455c6bbe20caf30e6064554e04b  IN   TokenStore0 Ether0.0004469408
0x2eef7121d8e6e119f21396fb9efb0fa677f1c70765869e54e0eafe67443dfe6225 mins ago0x1bdc2ddf20a4b0b292978abbe753ea1de8c666e7  IN   TokenStore0 Ether0.00059064
0x2981a736f220ac4334904683832aab6e2c5e8e4b591bb3ebc5e35c553ad150fc32 mins ago0x969c81a72aebe7f2739fcac089469a3a85559b6e  IN   TokenStore0 Ether0.000235744
0x25ce61d5d93a6c8a7cf11933be461694e3af9802d3cca218f187e68f2ab6933d32 mins ago0x969c81a72aebe7f2739fcac089469a3a85559b6e  IN   TokenStore0 Ether0.000235744
0x4bd7ada6562492bebab829838140a9cd2a67ed37e3b0a3e3d13336bb484b239032 mins ago0x969c81a72aebe7f2739fcac089469a3a85559b6e  IN   TokenStore0 Ether0.000175744
0x4a964f21205f373941aede47dd7f4a7deec288988784355753c4ebeffd29a86232 mins ago0x3591d261da9ca19d83de5028d4caa02f22aaf9ee  IN   TokenStore0 Ether0.00058872
0x039b400374fae48cb8bf4d23c82ddc6588ee011a0d2a7350d5ef48dc9edeb0ce34 mins ago0x969c81a72aebe7f2739fcac089469a3a85559b6e  IN   TokenStore0 Ether0.000175744
0x70a0ab76c022f0af470e328a368eb544d152b7e1dfd41401fa091015cfedfe7134 mins ago0x969c81a72aebe7f2739fcac089469a3a85559b6e  IN   TokenStore0 Ether0.000175744
[ Download CSV Export  ] 
 Internal Transactions as a result of Contract Execution
 Latest 25 Internal Txns, Click here To View More View All
ParentTxHash Block Age From To Value
0x3798ee01ed97b491354322d9f87fd18bdf4e148a767f91882cdf3fce16df0322711427842 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80xe17dbb844ba602e189889d941d1297184ce636640.59466483780045823 Ether
0x6cfff92ecf60e82ac0afe535182e4bdf4bc46695a768a00ec8bd5b8c6902f6e671141211 hr 28 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80xe4a51b11903aec205038e98f97ed12f04ad448360.0001 Ether
0xef209499e373be27b1482c7d27b3dd3c4378c8f23f31bc4a36630ca7498ad17271141131 hr 30 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x85c5c26dc2af5546341fc1988b9d178148b4838b0.1879744671 Ether
0x6a9b69d93c9ba7c93b68f0ad5e1b76b76864c44755eb73833011d8de4cc7b34e71141131 hr 30 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x85c5c26dc2af5546341fc1988b9d178148b4838b0.1879744671 Ether
0xf191c25f98cf3e2d9e422c9bb8ff269be3125a77fa2855e12d5941c6ff8eed9571141121 hr 30 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x85c5c26dc2af5546341fc1988b9d178148b4838b0.1879744671 Ether
0x1075a6193c504f49d9abd78fcf98f66fafd59ad029ad6e3482c9c1e05502935471141121 hr 30 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x85c5c26dc2af5546341fc1988b9d178148b4838b0.1879744671 Ether
0x3767a21d56e2379c71795c248924241c49ac3dc59149179950173db68f28711871140961 hr 35 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80xb77016dfb0fd045534cbea645eb923b6365d5c440.7069 Ether
0xdd924a01650dfa5ccb072aec58f014a4bf5c5b4657a08f5b27d23c82cf9640c471140821 hr 39 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x032d74bf64c74ee22086ac9ffefb28ddfa90a3150.98 Ether
0xeef058cfeb7e0ecef7436a0255d8e1b74180b6264532868edb2ce97e4d0031ea71140651 hr 44 mins ago0xe17dbb844ba602e189889d941d1297184ce636640x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.1004 Ether
0x9f3c2862ce132912280f93c1d5e143136a02f4421a54d5208143c37794a5705f71140391 hr 51 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80xc2a694c5ced27e3d3a5a8bd515a42f2b896650030.099999099999999989 Ether
0x9f3c2862ce132912280f93c1d5e143136a02f4421a54d5208143c37794a5705f71140391 hr 51 mins ago0xc2a694c5ced27e3d3a5a8bd515a42f2b896650030x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.066403234323365941 Ether
0xb7d8ba255e7e76d69111beff865f8b56761ecfae2dd8af6c6d0a2a1fdad6483471140381 hr 51 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x85c5c26dc2af5546341fc1988b9d178148b4838b0.0165036795 Ether
0xb7d8ba255e7e76d69111beff865f8b56761ecfae2dd8af6c6d0a2a1fdad6483471140381 hr 51 mins ago0x85c5c26dc2af5546341fc1988b9d178148b4838b0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.0110341 Ether
0x7bf33f731957b5b5a141fbddba0aa2c639b543cf351db0ebfcbabbccb42ac7ce71140371 hr 51 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x85c5c26dc2af5546341fc1988b9d178148b4838b0.12122304 Ether
0x7bf33f731957b5b5a141fbddba0aa2c639b543cf351db0ebfcbabbccb42ac7ce71140371 hr 51 mins ago0x85c5c26dc2af5546341fc1988b9d178148b4838b0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.080248 Ether
0xd6e5d6f3169730eecd6375fab1a952aedfcedaefc7ff7dbc868b91b4bc61704671139952 hrs 3 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x24e7b906006260179707dcd32c0a7504567d8c742 Ether
0x3261b0f5132a9285a2f298ed37ddf6c98234e42a85c91a0a80d29e9746f08dba71139522 hrs 16 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x6d23437c94997674b43437419a49509c73f861a70.5 Ether
0xaf5fdfbe6ab86cd880d667bef7a63ea20a586b23a52aed1e5addf8111b73558071139112 hrs 28 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80xe4a51b11903aec205038e98f97ed12f04ad448360.0016 Ether
0x4e505b60c49490cdd95d8b3b0be193c50c82d787ec59185a4d73896e151f98ba71137423 hrs 24 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x55079f3f69d249f09bdd84c9e998d85d1861edef0.2571 Ether
0xf5ef5f2574ca0a9d374efc71147a6f285387cda5b1ee70c3ddd81f86534a43ae71136333 hrs 56 mins ago0x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80x05c85136f1fdc65ccc0587a48cb3f9eeec93d83a0.0058 Ether
0xf96ca849d7c04433037a20b56b809a8a593f2142e06b1336fcfd108a64bb190d71135824 hrs 9 mins ago0xe17dbb844ba602e189889d941d1297184ce636640x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.01726879498 Ether
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0xa29e52541218424449eea2b0024cee067297abfbbc6a6f2f4c1971c2be3ed63871135104 hrs 31 mins ago0xc2a694c5ced27e3d3a5a8bd515a42f2b896650030x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.000757798258467123 Ether
0xd28fc5f89d1648189acc18d5ae2e30ded377deafd6e2314276a9d8363a693ce071133475 hrs 16 mins ago0xe17dbb844ba602e189889d941d1297184ce636640x1ce7ae555139c5ef5a57cc8d814a867ee6ee33d80.00002907584 Ether
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[ Download CSV Export  ] 
Contract Name: TokenStore
Compiler Text: v0.4.13+commit.fb4cb1a
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.11;

// ERC20 token protocol, see more details at
// https://theethereum.wiki/w/index.php/ERC20_Token_Standard
// And also https://github.com/ethereum/eips/issues/20

contract Token {
  function totalSupply() constant returns (uint256 supply);
  function balanceOf(address _owner) constant returns (uint256 balance);
  function transfer(address _to, uint256 _value) returns (bool success);
  function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
  function approve(address _spender, uint256 _value) returns (bool success);
  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);
}

// Safe mathematics to make the code more readable

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;
  }
}

// Ownable interface to simplify owner checks

contract Ownable {
  address public owner;

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

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

  function transferOwnership(address _newOwner) onlyOwner {
    require(_newOwner != address(0));
    owner = _newOwner;
  }
}

// Interface for trading discounts and rebates for specific accounts

contract AccountModifiersInterface {
  function accountModifiers(address _user) constant returns(uint takeFeeDiscount, uint rebatePercentage);
  function tradeModifiers(address _maker, address _taker) constant returns(uint takeFeeDiscount, uint rebatePercentage);
}

// Interface for trade tacker

contract TradeTrackerInterface {
  function tradeComplete(address _tokenGet, uint _amountGet, address _tokenGive, uint _amountGive, address _get, address _give, uint _takerFee, uint _makerRebate);
}

// Exchange contract

contract TokenStore is SafeMath, Ownable {

  // The account that will receive fees
  address feeAccount;

  // The account that stores fee discounts/rebates
  address accountModifiers;
  
  // Trade tracker account
  address tradeTracker;

  // We charge only the takers and this is the fee, percentage times 1 ether
  uint public fee;

  // Mapping of token addresses to mapping of account balances (token 0 means Ether)
  mapping (address => mapping (address => uint)) public tokens;

  // Mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled)
  mapping (address => mapping (bytes32 => uint)) public orderFills;
  
  // Address of a next and previous versions of the contract, also status of the contract
  // can be used for user-triggered fund migrations
  address public successor;
  address public predecessor;
  bool public deprecated;
  uint16 public version;

  // Logging events
  // Note: Order creation is handled off-chain, see explanation further below
  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, uint nonce);
  event Deposit(address token, address user, uint amount, uint balance);
  event Withdraw(address token, address user, uint amount, uint balance);
  event FundsMigrated(address user);

  function TokenStore(uint _fee, address _predecessor) {
    feeAccount = owner;
    fee = _fee;
    predecessor = _predecessor;
    deprecated = false;
    if (predecessor != address(0)) {
      version = TokenStore(predecessor).version() + 1;
    } else {
      version = 1;
    }
  }

  // Throw on default handler to prevent direct transactions of Ether
  function() {
    revert();
  }
  
  modifier deprecable() {
    require(!deprecated);
    _;
  }

  function deprecate(bool _deprecated, address _successor) onlyOwner {
    deprecated = _deprecated;
    successor = _successor;
  }

  function changeFeeAccount(address _feeAccount) onlyOwner {
    require(_feeAccount != address(0));
    feeAccount = _feeAccount;
  }

  function changeAccountModifiers(address _accountModifiers) onlyOwner {
    accountModifiers = _accountModifiers;
  }
  
  function changeTradeTracker(address _tradeTracker) onlyOwner {
    tradeTracker = _tradeTracker;
  }

  // Fee can only be decreased!
  function changeFee(uint _fee) onlyOwner {
    require(_fee <= fee);
    fee = _fee;
  }
  
  // Allows a user to get her current discount/rebate
  function getAccountModifiers() constant returns(uint takeFeeDiscount, uint rebatePercentage) {
    if (accountModifiers != address(0)) {
      return AccountModifiersInterface(accountModifiers).accountModifiers(msg.sender);
    } else {
      return (0, 0);
    }
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  // Deposits, withdrawals, balances
  ////////////////////////////////////////////////////////////////////////////////

  function deposit() payable deprecable {
    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) {
    require(tokens[0][msg.sender] >= _amount);
    tokens[0][msg.sender] = safeSub(tokens[0][msg.sender], _amount);
    if (!msg.sender.call.value(_amount)()) {
      revert();
    }
    Withdraw(0, msg.sender, _amount, tokens[0][msg.sender]);
  }

  function depositToken(address _token, uint _amount) deprecable {
    // Note that Token(_token).approve(this, _amount) needs to be called
    // first or this contract will not be able to do the transfer.
    require(_token != 0);
    if (!Token(_token).transferFrom(msg.sender, this, _amount)) {
      revert();
    }
    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) {
    require(_token != 0);
    require(tokens[_token][msg.sender] >= _amount);
    tokens[_token][msg.sender] = safeSub(tokens[_token][msg.sender], _amount);
    if (!Token(_token).transfer(msg.sender, _amount)) {
      revert();
    }
    Withdraw(_token, msg.sender, _amount, tokens[_token][msg.sender]);
  }

  function balanceOf(address _token, address _user) constant returns (uint) {
    return tokens[_token][_user];
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  // Trading
  ////////////////////////////////////////////////////////////////////////////////

  // Note: Order creation happens off-chain but the orders are signed by creators,
  // we validate the contents and the creator address in the logic below

  function trade(address _tokenGet, uint _amountGet, address _tokenGive, uint _amountGive,
      uint _expires, uint _nonce, address _user, uint8 _v, bytes32 _r, bytes32 _s, uint _amount) {
    bytes32 hash = sha256(this, _tokenGet, _amountGet, _tokenGive, _amountGive, _expires, _nonce);
    // Check order signatures and expiration, also check if not fulfilled yet
		if (ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash), _v, _r, _s) != _user ||
      block.number > _expires ||
      safeAdd(orderFills[_user][hash], _amount) > _amountGet) {
      revert();
    }
    tradeBalances(_tokenGet, _amountGet, _tokenGive, _amountGive, _user, msg.sender, _amount);
    orderFills[_user][hash] = safeAdd(orderFills[_user][hash], _amount);
    Trade(_tokenGet, _amount, _tokenGive, _amountGive * _amount / _amountGet, _user, msg.sender, _nonce);
  }
  
  function tradeBalances(address _tokenGet, uint _amountGet, address _tokenGive, uint _amountGive,
      address _user, address _caller, uint _amount) private {

    uint feeTakeValue = safeMul(_amount, fee) / (1 ether);
    uint rebateValue = 0;
    uint tokenGiveValue = safeMul(_amountGive, _amount) / _amountGet; // Proportionate to request ratio

    // Apply modifiers
    if (accountModifiers != address(0)) {
      var (feeTakeDiscount, rebatePercentage) = AccountModifiersInterface(accountModifiers).tradeModifiers(_user, _caller);
      // Check that the discounts/rebates are never higher then 100%
      if (feeTakeDiscount > 100) {
        feeTakeDiscount = 0;
      }
      if (rebatePercentage > 100) {
        rebatePercentage = 0;
      }
      feeTakeValue = safeMul(feeTakeValue, 100 - feeTakeDiscount) / 100;  // discounted fee
      rebateValue = safeMul(rebatePercentage, feeTakeValue) / 100;        // % of actual taker fee
    }
    
    tokens[_tokenGet][_user] = safeAdd(tokens[_tokenGet][_user], safeAdd(_amount, rebateValue));
    tokens[_tokenGet][_caller] = safeSub(tokens[_tokenGet][_caller], safeAdd(_amount, feeTakeValue));
    tokens[_tokenGive][_user] = safeSub(tokens[_tokenGive][_user], tokenGiveValue);
    tokens[_tokenGive][_caller] = safeAdd(tokens[_tokenGive][_caller], tokenGiveValue);
    tokens[_tokenGet][feeAccount] = safeAdd(tokens[_tokenGet][feeAccount], safeSub(feeTakeValue, rebateValue));
    
    if (tradeTracker != address(0)) {
      TradeTrackerInterface(tradeTracker).tradeComplete(_tokenGet, _amount, _tokenGive, tokenGiveValue, _user, _caller, feeTakeValue, rebateValue);
    }
  }

  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 (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) 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 (!(ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash), _v, _r, _s) == msg.sender)) {
      revert();
    }
    orderFills[msg.sender][hash] = _amountGet;
    Cancel(_tokenGet, _amountGet, _tokenGive, _amountGive, _expires, _nonce, msg.sender, _v, _r, _s);
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  // Migrations
  ////////////////////////////////////////////////////////////////////////////////

  // User-triggered (!) fund migrations in case contract got updated
  // Similar to withdraw but we use a successor account instead
  // As we don't store user tokens list on chain, it has to be passed from the outside
  function migrateFunds(address[] _tokens) {
  
    // Get the latest successor in the chain
    require(successor != address(0));
    TokenStore newExchange = TokenStore(successor);
    for (uint16 n = 0; n < 20; n++) {  // We will look past 20 contracts in the future
      address nextSuccessor = newExchange.successor();
      if (nextSuccessor == address(this)) {  // Circular succession
        revert();
      }
      if (nextSuccessor == address(0)) { // We reached the newest, stop
        break;
      }
      newExchange = TokenStore(nextSuccessor);
    }

    // Ether
    uint etherAmount = tokens[0][msg.sender];
    if (etherAmount > 0) {
      tokens[0][msg.sender] = 0;
      newExchange.depositForUser.value(etherAmount)(msg.sender);
    }

    // Tokens
    for (n = 0; n < _tokens.length; n++) {
      address token = _tokens[n];
      require(token != address(0)); // 0 = Ether, we handle it above
      uint tokenAmount = tokens[token][msg.sender];
      if (tokenAmount == 0) {
        continue;
      }
      if (!Token(token).approve(newExchange, tokenAmount)) {
        revert();
      }
      tokens[token][msg.sender] = 0;
      newExchange.depositTokenForUser(token, tokenAmount, msg.sender);
    }

    FundsMigrated(msg.sender);
  }

  // This is used for migrations only. To be called by previous exchange only,
  // user-triggered, on behalf of the user called the migrateFunds method.
  // Note that it does exactly the same as depositToken, but as this is called
  // by a previous generation of exchange itself, we credit internally not the
  // previous exchange, but the user it was called for.
  function depositForUser(address _user) payable deprecable {
    require(_user != address(0));
    require(msg.value > 0);
    TokenStore caller = TokenStore(msg.sender);
    require(caller.version() > 0); // Make sure it's an exchange account
    tokens[0][_user] = safeAdd(tokens[0][_user], msg.value);
  }

  function depositTokenForUser(address _token, uint _amount, address _user) deprecable {
    require(_token != address(0));
    require(_user != address(0));
    require(_amount > 0);
    TokenStore caller = TokenStore(msg.sender);
    require(caller.version() > 0); // Make sure it's an exchange account
    if (!Token(_token).transferFrom(msg.sender, this, _amount)) {
      revert();
    }
    tokens[_token][_user] = safeAdd(tokens[_token][_user], _amount);
  }
}

    Contract ABI  
[{"constant":false,"inputs":[{"name":"_tokenGet","type":"address"},{"name":"_amountGet","type":"uint256"},{"name":"_tokenGive","type":"address"},{"name":"_amountGive","type":"uint256"},{"name":"_expires","type":"uint256"},{"name":"_nonce","type":"uint256"},{"name":"_user","type":"address"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"},{"name":"_amount","type":"uint256"}],"name":"trade","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"deprecated","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"bytes32"}],"name":"orderFills","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_tokenGet","type":"address"},{"name":"_amountGet","type":"uint256"},{"name":"_tokenGive","type":"address"},{"name":"_amountGive","type":"uint256"},{"name":"_expires","type":"uint256"},{"name":"_nonce","type":"uint256"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"}],"name":"cancelOrder","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_tokenGet","type":"address"},{"name":"_amountGet","type":"uint256"},{"name":"_tokenGive","type":"address"},{"name":"_amountGive","type":"uint256"},{"name":"_expires","type":"uint256"},{"name":"_nonce","type":"uint256"},{"name":"_user","type":"address"}],"name":"amountFilled","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"},{"name":"_amount","type":"uint256"}],"name":"depositToken","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_accountModifiers","type":"address"}],"name":"changeAccountModifiers","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_user","type":"address"}],"name":"depositTokenForUser","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_tradeTracker","type":"address"}],"name":"changeTradeTracker","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"tokens","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"uint16"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"getAccountModifiers","outputs":[{"name":"takeFeeDiscount","type":"uint256"},{"name":"rebatePercentage","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_fee","type":"uint256"}],"name":"changeFee","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_user","type":"address"}],"name":"depositForUser","outputs":[],"payable":true,"type":"function"},{"constant":true,"inputs":[{"name":"_tokenGet","type":"address"},{"name":"_amountGet","type":"uint256"},{"name":"_tokenGive","type":"address"},{"name":"_amountGive","type":"uint256"},{"name":"_expires","type":"uint256"},{"name":"_nonce","type":"uint256"},{"name":"_user","type":"address"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"},{"name":"_amount","type":"uint256"},{"name":"_sender","type":"address"}],"name":"testTrade","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"successor","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_feeAccount","type":"address"}],"name":"changeFeeAccount","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"},{"name":"_amount","type":"uint256"}],"name":"withdrawToken","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"predecessor","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_tokens","type":"address[]"}],"name":"migrateFunds","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"deposit","outputs":[],"payable":true,"type":"function"},{"constant":true,"inputs":[],"name":"fee","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_deprecated","type":"bool"},{"name":"_successor","type":"address"}],"name":"deprecate","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_token","type":"address"},{"name":"_user","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_tokenGet","type":"address"},{"name":"_amountGet","type":"uint256"},{"name":"_tokenGive","type":"address"},{"name":"_amountGive","type":"uint256"},{"name":"_expires","type":"uint256"},{"name":"_nonce","type":"uint256"},{"name":"_user","type":"address"},{"name":"_v","type":"uint8"},{"name":"_r","type":"bytes32"},{"name":"_s","type":"bytes32"}],"name":"availableVolume","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"_fee","type":"uint256"},{"name":"_predecessor","type":"address"}],"payable":false,"type":"constructor"},{"payable":false,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenGet","type":"address"},{"indexed":false,"name":"amountGet","type":"uint256"},{"indexed":false,"name":"tokenGive","type":"address"},{"indexed":false,"name":"amountGive","type":"uint256"},{"indexed":false,"name":"expires","type":"uint256"},{"indexed":false,"name":"nonce","type":"uint256"},{"indexed":false,"name":"user","type":"address"},{"indexed":false,"name":"v","type":"uint8"},{"indexed":false,"name":"r","type":"bytes32"},{"indexed":false,"name":"s","type":"bytes32"}],"name":"Cancel","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenGet","type":"address"},{"indexed":false,"name":"amountGet","type":"uint256"},{"indexed":false,"name":"tokenGive","type":"address"},{"indexed":false,"name":"amountGive","type":"uint256"},{"indexed":false,"name":"get","type":"address"},{"indexed":false,"name":"give","type":"address"},{"indexed":false,"name":"nonce","type":"uint256"}],"name":"Trade","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"token","type":"address"},{"indexed":false,"name":"user","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"balance","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"token","type":"address"},{"indexed":false,"name":"user","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"balance","type":"uint256"}],"name":"Withdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"user","type":"address"}],"name":"FundsMigrated","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)
000000000000000000000000000000000000000000000000000aa87bee5380000000000000000000000000000000000000000000000000000000000000000000

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000000aa87bee538000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000000


   Swarm Source:
bzzr://77f218d396cd040a425e3dc0d8a1d2b99db2d2b265a225a4134ec6bed3adc381

 

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