Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 217 txns
Misc:
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Contract Creator: 0x1522900b6dafac587d499a862861c0869be6e428at txn 0x05da4667e9a25e3334faaf1ccb51b0d8389cdb4cb36f2fdeb150f86b06d30fb6
Token Balance:
 Latest 25 transactions from a total of 217 transactions

TxHash Age From To Value [TxFee]
0xf8ee564d66c6cc16a1b43e549dcdbb8560c96437526c472df154869b6d0fbcfd4 days 3 hrs agoBinance_2  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e4,500 Ether0.0013482
0xe75f0b59b9dd7d619d7d28c63cee9e75acb29c91e696a5ceca9a37cd2d8e07004 days 15 hrs agoBinance_3  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,999.99 Ether0.0013482
0x1fdadcbfe7e56b8040bcc2d0b1fd2e6131dbd48a821cd2e860a3d017994184bb7 days 18 hrs agoBinance_2  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,499.99 Ether0.0013482
0x6a19bbd4044e80e277ef4b7efe8d542ebf8646d72124ad385c518cd4f396b2339 days 6 hrs agoGate.io_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e1,120.398 Ether0.0003336795
0xf2dc9bc83b3947e59ebe686c5949dd8bcf21bc5d97f00c45d5c645357f47a4ee10 days 7 hrs agoBittrex_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,000 Ether0.00168525
0x7a35bf622f044cc60f41f20c71951c4781ae4745425312445871cb45498790ab11 days 2 hrs agoBinance_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,200 Ether0.0013482
0x3a23439691e8329ef401a9b15dfdc0ba3213bc5cba2e68f2396d198b2a1f621612 days 6 hrs agoBinance_3  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e5,999.99 Ether0.0013482
0x6b1a8569d4ccd2dc8ed0dc7583d90d357b138926eb75ad0c6143f3abdfa96aae14 days 22 hrs ago0x559d5861705ba2036f15bc231d4063c7b428678b  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,150 Ether0.000303345
0x14311ecacd4d1337c03e2dc4fae07d2e8f8fb7a19c2ac254664a0f8cf955069417 days 3 hrs agoBittrex_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e2,745 Ether0.00168525
0xbbd9427cc4ba5f5478989da6c3353e335a6bf30bd8dc279949a18103660f4da718 days 53 mins agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,675 Ether0.00033705
0xd6bf4e0f10448a0f5710885f887d64851093b3d7a4dec77e729ecfb1053af3c319 days 10 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e4,600 Ether0.000303345
0xeb9dbde3f67e39fb14f2749b806a63a199e21e046e5d577fe2e986ba6e2bb99f19 days 10 hrs ago0x0063dea5eb1f9ef36bc5feee9ab72a5fdb82e8fc  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e5,000 Ether0.000303345
0xf214314b7fee8483aae5b20c417d70808ac40cd48296cfac1127ab9c2784177023 days 22 hrs agoOkex_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e5,000 Ether0.001179675
0x9c05d1bc23a8e9ee030bb5b27d5f37fa5b036f0ccc34dce7c59dcacb5d97164525 days 7 hrs agoBittrex_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e2,999.994 Ether0.00168525
0x9314a3732c6ef587509065f0611b305411990e4f7869b97c10fd75524056738228 days 18 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e4,000 Ether0.00033705
0x60e8c591db37163c1a5e34aba64f300367e02b278b1f89772e3b45b93efb775d29 days 18 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e6,000 Ether0.000303345
0xd5acceab2f08ce8d9d18b0c6226db8f29a01faab727cc1f9d661727b83f99b7532 days 47 mins ago0xc9a7a987a2a4660500d3470088320406438e845b  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,650 Ether0.000168525
0x7e03027a6a769beae7e10923d9ff8f33c8a0d8c731d54e9a1db5a890e38781cf39 days 10 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,000 Ether0.00026964
0x60ce194775059b30f7e019f1829637b043b484961d35c41e5373c9f128503ebe41 days 2 hrs ago0x8779c426dfb858f50ac614eb3812409eeef92ae3  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e2,500 Ether0.00033705
0xe45ac485e0e47c99fa8a61f3af2accfa716101ee4817103008bc45b74faf60eb50 days 13 hrs agoOkex_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e2,999 Ether0.000842625
0x0c631af159188f1bcdd13b559ec2ce05d2f9477d50b47930a1db65b4e902ad8a50 days 19 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e5,000 Ether0.00033705
0x3c5864366dfccbe1040afed5915e0a552e546622ed2af310589c9ad0b0b73eb051 days 23 hrs agoBinance_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e3,949.99 Ether0.00101115
0xc4a5ff4ffd484da7e573cf02ef580015140551b46865a12c1096cd087b4344a453 days 5 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e2,500 Ether0.000235935
0xa7ed0ce76795259af96bc42e87c21efceb0fa22f8d6d5648302ad7117db61bb055 days 16 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e11,000 Ether0.00033705
0xcf7d1918fe90fe6d38af237f93ef1ad138958b73c97add8060cb4b2ec73be90c56 days 18 hrs agoGemini_1  IN   0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e10,001 Ether0.000505575
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 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
0xf8ee564d66c6cc16a1b43e549dcdbb8560c96437526c472df154869b6d0fbcfd70517734 days 3 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4284,500 Ether
0xe75f0b59b9dd7d619d7d28c63cee9e75acb29c91e696a5ceca9a37cd2d8e070070489074 days 15 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,999.99 Ether
0x1fdadcbfe7e56b8040bcc2d0b1fd2e6131dbd48a821cd2e860a3d017994184bb70316287 days 18 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,499.99 Ether
0x6a19bbd4044e80e277ef4b7efe8d542ebf8646d72124ad385c518cd4f396b23370231609 days 6 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4281,120.398 Ether
0xf2dc9bc83b3947e59ebe686c5949dd8bcf21bc5d97f00c45d5c645357f47a4ee701738910 days 7 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,000 Ether
0x7a35bf622f044cc60f41f20c71951c4781ae4745425312445871cb45498790ab701279911 days 2 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,200 Ether
0x3a23439691e8329ef401a9b15dfdc0ba3213bc5cba2e68f2396d198b2a1f6216700651412 days 6 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4285,999.99 Ether
0x6b1a8569d4ccd2dc8ed0dc7583d90d357b138926eb75ad0c6143f3abdfa96aae699085614 days 22 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,150 Ether
0x14311ecacd4d1337c03e2dc4fae07d2e8f8fb7a19c2ac254664a0f8cf9550694697800317 days 3 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4282,745 Ether
0xbbd9427cc4ba5f5478989da6c3353e335a6bf30bd8dc279949a18103660f4da7697263618 days 53 mins ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,675 Ether
0xd6bf4e0f10448a0f5710885f887d64851093b3d7a4dec77e729ecfb1053af3c3696436119 days 10 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4284,600 Ether
0xeb9dbde3f67e39fb14f2749b806a63a199e21e046e5d577fe2e986ba6e2bb99f696430819 days 10 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4285,000 Ether
0xf214314b7fee8483aae5b20c417d70808ac40cd48296cfac1127ab9c27841770693763823 days 22 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4285,000 Ether
0x9c05d1bc23a8e9ee030bb5b27d5f37fa5b036f0ccc34dce7c59dcacb5d971645692956925 days 7 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4282,999.994 Ether
0x9314a3732c6ef587509065f0611b305411990e4f7869b97c10fd755240567382690933628 days 18 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4284,000 Ether
0x60e8c591db37163c1a5e34aba64f300367e02b278b1f89772e3b45b93efb775d690345329 days 18 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4286,000 Ether
0xd5acceab2f08ce8d9d18b0c6226db8f29a01faab727cc1f9d661727b83f99b75688987432 days 47 mins ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,650 Ether
0x7e03027a6a769beae7e10923d9ff8f33c8a0d8c731d54e9a1db5a890e38781cf684486139 days 10 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,000 Ether
0x60ce194775059b30f7e019f1829637b043b484961d35c41e5373c9f128503ebe683479141 days 2 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4282,500 Ether
0xe45ac485e0e47c99fa8a61f3af2accfa716101ee4817103008bc45b74faf60eb677768450 days 13 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4282,999 Ether
0x0c631af159188f1bcdd13b559ec2ce05d2f9477d50b47930a1db65b4e902ad8a677610350 days 19 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4285,000 Ether
0x3c5864366dfccbe1040afed5915e0a552e546622ed2af310589c9ad0b0b73eb0676911751 days 23 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4283,949.99 Ether
0xc4a5ff4ffd484da7e573cf02ef580015140551b46865a12c1096cd087b4344a4676134453 days 5 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e4282,500 Ether
0xa7ed0ce76795259af96bc42e87c21efceb0fa22f8d6d5648302ad7117db61bb0674638355 days 16 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e42811,000 Ether
0xcf7d1918fe90fe6d38af237f93ef1ad138958b73c97add8060cb4b2ec73be90c673990556 days 18 hrs ago0xc5dcb4839087f39ebe34c8c18a05dcfb5806d89e0x1522900b6dafac587d499a862861c0869be6e42810,001 Ether
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Warning: The Compiled Contract might be susceptible to ExpExponentCleanup (medium/high-severity), NestedArrayFunctionCallDecoder (medium-severity), ZeroFunctionSelector (very low-severity) SolidityCompiler Bugs.

Contract Source Code Verified (Similar Match)
Note: Displaying Similar Match Verified Source Code At Contract 0xe236aebe408c6363deadff4db15938708fe07d3f(Excluding Constructor Arguments if any)
Contract Name: Forwarder
Compiler Text: v0.4.16-nightly.2017.8.11+commit.c84de7fa
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.14;

/**
 * Contract that exposes the needed erc20 token functions
 */

contract ERC20Interface {
  // Send _value amount of tokens to address _to
  function transfer(address _to, uint256 _value) returns (bool success);
  // Get the account balance of another account with address _owner
  function balanceOf(address _owner) constant returns (uint256 balance);
}

/**
 * Contract that will forward any incoming Ether to its creator
 */
contract Forwarder {
  // Address to which any funds sent to this contract will be forwarded
  address public parentAddress;
  event ForwarderDeposited(address from, uint value, bytes data);

  event TokensFlushed(
    address tokenContractAddress, // The contract address of the token
    uint value // Amount of token sent
  );

  /**
   * Create the contract, and set the destination address to that of the creator
   */
  function Forwarder() {
    parentAddress = msg.sender;
  }

  /**
   * Modifier that will execute internal code block only if the sender is a parent of the forwarder contract
   */
  modifier onlyParent {
    if (msg.sender != parentAddress) {
      throw;
    }
    _;
  }

  /**
   * Default function; Gets called when Ether is deposited, and forwards it to the destination address
   */
  function() payable {
    if (!parentAddress.call.value(msg.value)(msg.data))
      throw;
    // Fire off the deposited event if we can forward it  
    ForwarderDeposited(msg.sender, msg.value, msg.data);
  }

  /**
   * Execute a token transfer of the full balance from the forwarder token to the main wallet contract
   * @param tokenContractAddress the address of the erc20 token contract
   */
  function flushTokens(address tokenContractAddress) onlyParent {
    ERC20Interface instance = ERC20Interface(tokenContractAddress);
    var forwarderAddress = address(this);
    var forwarderBalance = instance.balanceOf(forwarderAddress);
    if (forwarderBalance == 0) {
      return;
    }
    if (!instance.transfer(parentAddress, forwarderBalance)) {
      throw;
    }
    TokensFlushed(tokenContractAddress, forwarderBalance);
  }

  /**
   * It is possible that funds were sent to this address before the contract was deployed.
   * We can flush those funds to the destination address.
   */
  function flush() {
    if (!parentAddress.call.value(this.balance)())
      throw;
  }
}

/**
 * Basic multi-signer wallet designed for use in a co-signing environment where 2 signatures are required to move funds.
 * Typically used in a 2-of-3 signing configuration. Uses ecrecover to allow for 2 signatures in a single transaction.
 */
contract WalletSimple {
  // Events
  event Deposited(address from, uint value, bytes data);
  event SafeModeActivated(address msgSender);
  event Transacted(
    address msgSender, // Address of the sender of the message initiating the transaction
    address otherSigner, // Address of the signer (second signature) used to initiate the transaction
    bytes32 operation, // Operation hash (sha3 of toAddress, value, data, expireTime, sequenceId)
    address toAddress, // The address the transaction was sent to
    uint value, // Amount of Wei sent to the address
    bytes data // Data sent when invoking the transaction
  );
  event TokenTransacted(
    address msgSender, // Address of the sender of the message initiating the transaction
    address otherSigner, // Address of the signer (second signature) used to initiate the transaction
    bytes32 operation, // Operation hash (sha3 of toAddress, value, tokenContractAddress, expireTime, sequenceId)
    address toAddress, // The address the transaction was sent to
    uint value, // Amount of token sent
    address tokenContractAddress // The contract address of the token
  );

  // Public fields
  address[] public signers; // The addresses that can co-sign transactions on the wallet
  bool public safeMode = false; // When active, wallet may only send to signer addresses

  // Internal fields
  uint constant SEQUENCE_ID_WINDOW_SIZE = 10;
  uint[10] recentSequenceIds;

  /**
   * Modifier that will execute internal code block only if the sender is an authorized signer on this wallet
   */
  modifier onlysigner {
    if (!isSigner(msg.sender)) {
      throw;
    }
    _;
  }

  /**
   * Set up a simple multi-sig wallet by specifying the signers allowed to be used on this wallet.
   * 2 signers will be required to send a transaction from this wallet.
   * Note: The sender is NOT automatically added to the list of signers.
   * Signers CANNOT be changed once they are set
   *
   * @param allowedSigners An array of signers on the wallet
   */
  function WalletSimple(address[] allowedSigners) {
    if (allowedSigners.length != 3) {
      // Invalid number of signers
      throw;
    }
    signers = allowedSigners;
  }

  /**
   * Gets called when a transaction is received without calling a method
   */
  function() payable {
    if (msg.value > 0) {
      // Fire deposited event if we are receiving funds
      Deposited(msg.sender, msg.value, msg.data);
    }
  }

  /**
   * Create a new contract (and also address) that forwards funds to this contract
   * returns address of newly created forwarder address
   */
  function createForwarder() onlysigner returns (address) {
    return new Forwarder();
  }

  /**
   * Execute a multi-signature transaction from this wallet using 2 signers: one from msg.sender and the other from ecrecover.
   * The signature is a signed form (using eth.sign) of tightly packed toAddress, value, data, expireTime and sequenceId
   * Sequence IDs are numbers starting from 1. They are used to prevent replay attacks and may not be repeated.
   *
   * @param toAddress the destination address to send an outgoing transaction
   * @param value the amount in Wei to be sent
   * @param data the data to send to the toAddress when invoking the transaction
   * @param expireTime the number of seconds since 1970 for which this transaction is valid
   * @param sequenceId the unique sequence id obtainable from getNextSequenceId
   * @param signature the result of eth.sign on the operationHash sha3(toAddress, value, data, expireTime, sequenceId)
   */
  function sendMultiSig(address toAddress, uint value, bytes data, uint expireTime, uint sequenceId, bytes signature) onlysigner {
    // Verify the other signer
    var operationHash = sha3("ETHER", toAddress, value, data, expireTime, sequenceId);
    
    var otherSigner = verifyMultiSig(toAddress, operationHash, signature, expireTime, sequenceId);

    // Success, send the transaction
    if (!(toAddress.call.value(value)(data))) {
      // Failed executing transaction
      throw;
    }
    Transacted(msg.sender, otherSigner, operationHash, toAddress, value, data);
  }
  
  /**
   * Execute a multi-signature token transfer from this wallet using 2 signers: one from msg.sender and the other from ecrecover.
   * The signature is a signed form (using eth.sign) of tightly packed toAddress, value, tokenContractAddress, expireTime and sequenceId
   * Sequence IDs are numbers starting from 1. They are used to prevent replay attacks and may not be repeated.
   *
   * @param toAddress the destination address to send an outgoing transaction
   * @param value the amount in tokens to be sent
   * @param tokenContractAddress the address of the erc20 token contract
   * @param expireTime the number of seconds since 1970 for which this transaction is valid
   * @param sequenceId the unique sequence id obtainable from getNextSequenceId
   * @param signature the result of eth.sign on the operationHash sha3(toAddress, value, tokenContractAddress, expireTime, sequenceId)
   */
  function sendMultiSigToken(address toAddress, uint value, address tokenContractAddress, uint expireTime, uint sequenceId, bytes signature) onlysigner {
    // Verify the other signer
    var operationHash = sha3("ERC20", toAddress, value, tokenContractAddress, expireTime, sequenceId);
    
    var otherSigner = verifyMultiSig(toAddress, operationHash, signature, expireTime, sequenceId);
    
    ERC20Interface instance = ERC20Interface(tokenContractAddress);
    if (!instance.transfer(toAddress, value)) {
        throw;
    }
    TokenTransacted(msg.sender, otherSigner, operationHash, toAddress, value, tokenContractAddress);
  }

  /**
   * Execute a token flush from one of the forwarder addresses. This transfer needs only a single signature and can be done by any signer
   *
   * @param forwarderAddress the address of the forwarder address to flush the tokens from
   * @param tokenContractAddress the address of the erc20 token contract
   */
  function flushForwarderTokens(address forwarderAddress, address tokenContractAddress) onlysigner {    
    Forwarder forwarder = Forwarder(forwarderAddress);
    forwarder.flushTokens(tokenContractAddress);
  }  
  
  /**
   * Do common multisig verification for both eth sends and erc20token transfers
   *
   * @param toAddress the destination address to send an outgoing transaction
   * @param operationHash the sha3 of the toAddress, value, data/tokenContractAddress and expireTime
   * @param signature the tightly packed signature of r, s, and v as an array of 65 bytes (returned by eth.sign)
   * @param expireTime the number of seconds since 1970 for which this transaction is valid
   * @param sequenceId the unique sequence id obtainable from getNextSequenceId
   * returns address of the address to send tokens or eth to
   */
  function verifyMultiSig(address toAddress, bytes32 operationHash, bytes signature, uint expireTime, uint sequenceId) private returns (address) {

    var otherSigner = recoverAddressFromSignature(operationHash, signature);

    // Verify if we are in safe mode. In safe mode, the wallet can only send to signers
    if (safeMode && !isSigner(toAddress)) {
      // We are in safe mode and the toAddress is not a signer. Disallow!
      throw;
    }
    // Verify that the transaction has not expired
    if (expireTime < block.timestamp) {
      // Transaction expired
      throw;
    }

    // Try to insert the sequence ID. Will throw if the sequence id was invalid
    tryInsertSequenceId(sequenceId);

    if (!isSigner(otherSigner)) {
      // Other signer not on this wallet or operation does not match arguments
      throw;
    }
    if (otherSigner == msg.sender) {
      // Cannot approve own transaction
      throw;
    }

    return otherSigner;
  }

  /**
   * Irrevocably puts contract into safe mode. When in this mode, transactions may only be sent to signing addresses.
   */
  function activateSafeMode() onlysigner {
    safeMode = true;
    SafeModeActivated(msg.sender);
  }

  /**
   * Determine if an address is a signer on this wallet
   * @param signer address to check
   * returns boolean indicating whether address is signer or not
   */
  function isSigner(address signer) returns (bool) {
    // Iterate through all signers on the wallet and
    for (uint i = 0; i < signers.length; i++) {
      if (signers[i] == signer) {
        return true;
      }
    }
    return false;
  }

  /**
   * Gets the second signer's address using ecrecover
   * @param operationHash the sha3 of the toAddress, value, data/tokenContractAddress and expireTime
   * @param signature the tightly packed signature of r, s, and v as an array of 65 bytes (returned by eth.sign)
   * returns address recovered from the signature
   */
  function recoverAddressFromSignature(bytes32 operationHash, bytes signature) private returns (address) {
    if (signature.length != 65) {
      throw;
    }
    // We need to unpack the signature, which is given as an array of 65 bytes (from eth.sign)
    bytes32 r;
    bytes32 s;
    uint8 v;
    assembly {
      r := mload(add(signature, 32))
      s := mload(add(signature, 64))
      v := and(mload(add(signature, 65)), 255)
    }
    if (v < 27) {
      v += 27; // Ethereum versions are 27 or 28 as opposed to 0 or 1 which is submitted by some signing libs
    }
    return ecrecover(operationHash, v, r, s);
  }

  /**
   * Verify that the sequence id has not been used before and inserts it. Throws if the sequence ID was not accepted.
   * We collect a window of up to 10 recent sequence ids, and allow any sequence id that is not in the window and
   * greater than the minimum element in the window.
   * @param sequenceId to insert into array of stored ids
   */
  function tryInsertSequenceId(uint sequenceId) onlysigner private {
    // Keep a pointer to the lowest value element in the window
    uint lowestValueIndex = 0;
    for (uint i = 0; i < SEQUENCE_ID_WINDOW_SIZE; i++) {
      if (recentSequenceIds[i] == sequenceId) {
        // This sequence ID has been used before. Disallow!
        throw;
      }
      if (recentSequenceIds[i] < recentSequenceIds[lowestValueIndex]) {
        lowestValueIndex = i;
      }
    }
    if (sequenceId < recentSequenceIds[lowestValueIndex]) {
      // The sequence ID being used is lower than the lowest value in the window
      // so we cannot accept it as it may have been used before
      throw;
    }
    if (sequenceId > (recentSequenceIds[lowestValueIndex] + 10000)) {
      // Block sequence IDs which are much higher than the lowest value
      // This prevents people blocking the contract by using very large sequence IDs quickly
      throw;
    }
    recentSequenceIds[lowestValueIndex] = sequenceId;
  }

  /**
   * Gets the next available sequence ID for signing when using executeAndConfirm
   * returns the sequenceId one higher than the highest currently stored
   */
  function getNextSequenceId() returns (uint) {
    uint highestSequenceId = 0;
    for (uint i = 0; i < SEQUENCE_ID_WINDOW_SIZE; i++) {
      if (recentSequenceIds[i] > highestSequenceId) {
        highestSequenceId = recentSequenceIds[i];
      }
    }
    return highestSequenceId + 1;
  }
}

    Contract ABI  
[{"constant":true,"inputs":[],"name":"parentAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"tokenContractAddress","type":"address"}],"name":"flushTokens","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"flush","outputs":[],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"ForwarderDeposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenContractAddress","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"TokensFlushed","type":"event"}]

  Contract Creation Code Switch To Opcodes View
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

   Swarm Source:
bzzr://d0f8838ba17108a895d34ae8ef3bff4e0dc9d639c3c51921fee1d17eaa803721

 

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