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Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 103 txns
Misc:
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Contract Creator: 0x1522900b6dafac587d499a862861c0869be6e428at txn 0x950cb7c1e60c130143dc456a366b15fc3c02ef36948bd0b6ad54c17d44e5b5b0
 Latest 25 transactions from a total of 103 transactions

TxHash Age From To Value [TxFee]
0xe0abd0a4f5313b44d63f8af6161d48d143cbe28b348768e07b06846246abe8be3 days 19 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.00422247 Ether0.00168525
0x993c6a4382b49640aea17016904b6cb1a3c9cb97b018bd6361c7e670f14c7e2d3 days 20 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.00450801 Ether0.00168525
0xb8ab585c9f57ee5278299880700037ed5c2322364114aa5de4529f0a8088360710 days 16 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.00026525 Ether0.00168525
0x1b1d7ec3ae435f5ee5d56a7c2e24fbba16fa7b77aa042835baf866bcadccfe1510 days 17 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.01206087 Ether0.00168525
0xf499d5401dd02adee94ae419878e2a4c4abcdab1fd3b89b8155e8661dca6e8d410 days 18 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.0207089 Ether0.00168525
0xbd8036cafe73423d533bb96e51e6aee844d5a40b105370ab3fd70f777e87066a17 days 17 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.11011528 Ether0.00168525
0x377212ad81bfdf8a1fdb36b42859ec07ba76991e4dafb03b3158e7b1c6589cfe21 days 3 mins agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.112800971 Ether0.000505575
0x64763d87bead88f8b44e668f4a212304b0ed26315b5c7bbda7b2cb64b005e13e24 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.1295414 Ether0.00168525
0x7f0b6da104d46095e3dc06215e1410773c1d08758aa8c902f73f31b0fbb5837827 days 15 mins agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.105556018 Ether0.000505575
0xc8102da06f3e4472ddd66083cebd17a83c5c06c7dc2f030213ef6eeee0819c0531 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.18227366 Ether0.00168525
0x8ed636bd34769eb339a15986683122dfee6f2d816deeb583d345192990fe5e4c33 days 12 mins agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.105694978 Ether0.000505575
0x7e9eab5063a0e8f52ef3f6aa45ae2fa452457421234aa76bc2eb0d06323cd7ea38 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.17377003 Ether0.00168525
0x79f70ed62fa982a99834dd4e094a3aaa27786cfa7a65202e4dd0aa441c21ad6938 days 23 hrs agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.108722881 Ether0.000505575
0x73c33b256d4064c5f2c35f68ca82faf69955dfb2e4f3a35627728ea9abf77ac145 days 52 mins agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.102435134 Ether0.000505575
0x825c6a2dcfa5194efc9af00ee33591b9975b28fc416d0b5ea35564ae8f8f97df45 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.17203233 Ether0.00168525
0x21146cd1709e38b54c22703b79cf5547b37d6954d31c46148224d730028590d550 days 22 hrs agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.109442422 Ether0.000505575
0xf3f5a4454ea0dc3c3ea257caefb0b77ba4024df0a2b50f90a46d017c37e807e852 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.16954638 Ether0.00168525
0x82f6fb6022f0ef888985c2eebc7ed5ed78142d67976d3c81ef0bfe21750a1c6b59 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.17003243 Ether0.00168525
0xea9e19899e6c00d20dbdeed36a61422c0cbddfa94ce758886e83f976de84e9f564 days 41 mins agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.112945221 Ether0.000505575
0x6176fb2f83a97167c90cd70f1bbbdef71dfe608aeb73abcb4ac5e6e7a085678e66 days 22 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.16715194 Ether0.00168525
0x34cc7c045c9ebf0de73a5c68bb96dd14165e560227abe5b407fd1c10267fc3b471 days 1 hr agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.106733773 Ether0.000505575
0x82df0e6c4c250d61a9abd5131b0c4d86f5ad84eae63c60491907e5fe98889b3973 days 21 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.16471211 Ether0.00168525
0x5cc2d2ab3af43dad1f806db052ae970614c04005cb05e779fbf36a39a884809077 days 23 hrs agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.109678526 Ether0.000505575
0x0f7ab9fe203c39a3514c30bd1b46b45382463b4ddf0710a33dcded0182c1c88d80 days 23 hrs ago0x81c60ffa4cf2eeea5e20bbbefbbd2b9aa948e9c5  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.16719545 Ether0.00033705
0xd9bb9bc0b4f2ddfd557c3513d54cf083da046350c0516178c32a5248cb6968a884 days 21 hrs agoPandaMiner  IN   0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430.115709574 Ether0.000505575
[ 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
0xe0abd0a4f5313b44d63f8af6161d48d143cbe28b348768e07b06846246abe8be68650883 days 19 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.00422247 Ether
0x993c6a4382b49640aea17016904b6cb1a3c9cb97b018bd6361c7e670f14c7e2d68648643 days 20 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.00450801 Ether
0xb8ab585c9f57ee5278299880700037ed5c2322364114aa5de4529f0a80883607682348310 days 16 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.00026525 Ether
0x1b1d7ec3ae435f5ee5d56a7c2e24fbba16fa7b77aa042835baf866bcadccfe15682325910 days 17 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.01206087 Ether
0xf499d5401dd02adee94ae419878e2a4c4abcdab1fd3b89b8155e8661dca6e8d4682299410 days 18 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.0207089 Ether
0xbd8036cafe73423d533bb96e51e6aee844d5a40b105370ab3fd70f777e87066a678105217 days 17 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.11011528 Ether
0x377212ad81bfdf8a1fdb36b42859ec07ba76991e4dafb03b3158e7b1c6589cfe676097621 days 3 mins ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.112800971 Ether
0x64763d87bead88f8b44e668f4a212304b0ed26315b5c7bbda7b2cb64b005e13e673718724 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.1295414 Ether
0x7f0b6da104d46095e3dc06215e1410773c1d08758aa8c902f73f31b0fbb58378672441027 days 15 mins ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.105556018 Ether
0xc8102da06f3e4472ddd66083cebd17a83c5c06c7dc2f030213ef6eeee0819c05669465731 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.18227366 Ether
0x8ed636bd34769eb339a15986683122dfee6f2d816deeb583d345192990fe5e4c668774433 days 12 mins ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.105694978 Ether
0x7e9eab5063a0e8f52ef3f6aa45ae2fa452457421234aa76bc2eb0d06323cd7ea665174038 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.17377003 Ether
0x79f70ed62fa982a99834dd4e094a3aaa27786cfa7a65202e4dd0aa441c21ad69665118038 days 23 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.108722881 Ether
0x73c33b256d4064c5f2c35f68ca82faf69955dfb2e4f3a35627728ea9abf77ac1661435845 days 52 mins ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.102435134 Ether
0x825c6a2dcfa5194efc9af00ee33591b9975b28fc416d0b5ea35564ae8f8f97df660918545 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.17203233 Ether
0x21146cd1709e38b54c22703b79cf5547b37d6954d31c46148224d730028590d5657834150 days 22 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.109442422 Ether
0xf3f5a4454ea0dc3c3ea257caefb0b77ba4024df0a2b50f90a46d017c37e807e8656622052 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.16954638 Ether
0x82f6fb6022f0ef888985c2eebc7ed5ed78142d67976d3c81ef0bfe21750a1c6b652353859 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.17003243 Ether
0xea9e19899e6c00d20dbdeed36a61422c0cbddfa94ce758886e83f976de84e9f5649806864 days 41 mins ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.112945221 Ether
0x6176fb2f83a97167c90cd70f1bbbdef71dfe608aeb73abcb4ac5e6e7a085678e648027366 days 22 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.16715194 Ether
0x34cc7c045c9ebf0de73a5c68bb96dd14165e560227abe5b407fd1c10267fc3b4645476671 days 1 hr ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.106733773 Ether
0x82df0e6c4c250d61a9abd5131b0c4d86f5ad84eae63c60491907e5fe98889b39643720973 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.16471211 Ether
0x5cc2d2ab3af43dad1f806db052ae970614c04005cb05e779fbf36a39a8848090641244077 days 23 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.109678526 Ether
0x0f7ab9fe203c39a3514c30bd1b46b45382463b4ddf0710a33dcded0182c1c88d639409780 days 23 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.16719545 Ether
0xd9bb9bc0b4f2ddfd557c3513d54cf083da046350c0516178c32a5248cb6968a8637030184 days 21 hrs ago0xe2223a9b1fba3cd3a97b6bfc8557f2bdec7df1430x1522900b6dafac587d499a862861c0869be6e4280.115709574 Ether
[ Download CSV Export  ] 
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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