Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 78 txns
 Latest 25 txns From a total of 78 Transactions

TxHash Age From To Value [TxFee]
0x93a69540be571a6e06c1d259fdf7e3f30221a4981b21eeb31208bce381f3364a5 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.063235575636068 Ether0.000033705
0xd4ae16b996327e295fcb518d01b7abdab293ef59344cd0719ae5340c4376bb0d12 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.059686790457235 Ether0.000033705
0xcc89a4f22b44645aeba48e008bff7fd23de68112834a83d04b0de76d0ae640fd19 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.076529203981644 Ether0.000033705
0x54998203d997166a2f83caa11358d035a777a9b7dee77c00f630c9f43160b19426 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.094752182703508 Ether0.000033705
0x3417fbdc2751a6765f87a07a69cab0b67433fae0f86f64f5e583370f5b0b06f433 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.065695100946661 Ether0.000033705
0xd146c7eae248d838277c1475f511d0581693d1f1710c523671baa2293082425c40 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.069801830648738 Ether0.000033705
0xe951597c92b4aa5abe98de897de057cfd772fe65dd4e00c56ad054161263bf3347 days 20 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100051296781118 Ether0.000033705
0xdd30c04f5f11f3a660280f1d5bbb233e9fd26a377a66994bdc694d73b325f28954 days 17 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.09751022858681 Ether0.000033705
0xfae4b749c8a39533187b2f4f45dbf246ffac6970c87d8c1d6c1520f0ee9f13de61 days 17 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.092122430904319 Ether0.000033705
0x112c0d0f73ee3df4fc94023861c807123a5347a478b0a3067d8e011a1faffcb968 days 18 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100001139266508 Ether0.000033705
0x48aa4b7428afafac45b0726612ac90277f7a537b3776bd0bb00378549aefdd9e75 days 1 hr agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.097825671700783 Ether0.000033705
0x839f22e0cc61efabaddaa1349bda9fac21f226d7e8398756bfc7113c00ccd40c82 days 1 hr agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100051448397112 Ether0.000033705
0xf234ef7b92ccfaa89ef478823572621d4f6fa3d5a34e27cbb8694de0f30094a687 days 4 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100026598002774 Ether0.000033705
0x46836d23ff29ad21d5afa0293ee3ebf354cc96dd78ba43b93927a793cc686fe192 days 21 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100057492877945 Ether0.000033705
0x48c6a28d44ef5141ae166b5cb81f5124acb02644bc20cb6c5bb1f73919b6352a98 days 9 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100060566312859 Ether0.000033705
0x2e59f9395e22675a0bab1bf0928ad60902d46f6415047f1f1175fee2891b2fdb103 days 15 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100044230473036 Ether0.000033705
0x1b3f6e891a53616fcaf7e28417fadc3f428bed9554dad89c3ccfcd79a53e2d0f109 days agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100035425783666 Ether0.000033705
0x4d3290adc2d55ecc78c1a5d06f5efc392264b24849b3f1f68f5c922a059b8bc9114 days 18 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100005016795584 Ether0.000033705
0xde9791d8429fd04c8c2a686658598b676765eb15e777c455f696433d51601e60119 days 19 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100052026889623 Ether0.000033705
0xbefb2ea11037181f827597e1a020e773f5047bf03f2cf2f6090b5f094cbdca37125 days 2 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100100460554865 Ether0.000033705
0x2a04be5a98ef2dda1db1892b2811fa3e6a545fbe94ec0077ecfdbe1959eef0f5130 days 7 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100015602826369 Ether0.000033705
0x825d96f2a7b6ff0138981b871c835222aa23d4079ce252de8cdab07f89c3b856135 days 12 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100006065135526 Ether0.000033705
0x7a780c7c2a5a70be26d30bf56496dba8b1d4aaa10a5ce2588abc4650d49b2e5b140 days 21 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100045732784127 Ether0.000033705
0x3fe979740a536db48dae32c0022203e4d0fbce791a7044bfb4eced4e41f0374a145 days 23 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100051961554219 Ether0.000033705
0x05ac69f2bd9eabf8a6090d39e6033b8809cae7a238b0d230661bd175cb8fee51151 days 2 hrs agoEthermine  IN   0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0.100172449336027 Ether0.000033705
[ 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
0x93a69540be571a6e06c1d259fdf7e3f30221a4981b21eeb31208bce381f3364a63630785 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.063235575636068429 Ether
0xd4ae16b996327e295fcb518d01b7abdab293ef59344cd0719ae5340c4376bb0d632067012 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.059686790457235671 Ether
0xcc89a4f22b44645aeba48e008bff7fd23de68112834a83d04b0de76d0ae640fd627885519 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.076529203981644386 Ether
0x54998203d997166a2f83caa11358d035a777a9b7dee77c00f630c9f43160b194623722926 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.094752182703508783 Ether
0x3417fbdc2751a6765f87a07a69cab0b67433fae0f86f64f5e583370f5b0b06f4619581533 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.065695100946661891 Ether
0xd146c7eae248d838277c1475f511d0581693d1f1710c523671baa2293082425c615437140 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.069801830648738125 Ether
0xe951597c92b4aa5abe98de897de057cfd772fe65dd4e00c56ad054161263bf33611296047 days 20 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100051296781118518 Ether
0xdd30c04f5f11f3a660280f1d5bbb233e9fd26a377a66994bdc694d73b325f289607209354 days 17 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.097510228586810397 Ether
0xfae4b749c8a39533187b2f4f45dbf246ffac6970c87d8c1d6c1520f0ee9f13de603055461 days 17 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.092122430904319634 Ether
0x112c0d0f73ee3df4fc94023861c807123a5347a478b0a3067d8e011a1faffcb9598932668 days 18 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100001139266508595 Ether
0x48aa4b7428afafac45b0726612ac90277f7a537b3776bd0bb00378549aefdd9e595202175 days 1 hr ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.097825671700783331 Ether
0x839f22e0cc61efabaddaa1349bda9fac21f226d7e8398756bfc7113c00ccd40c591117582 days 1 hr ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100051448397112286 Ether
0xf234ef7b92ccfaa89ef478823572621d4f6fa3d5a34e27cbb8694de0f30094a6588116987 days 4 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100026598002774706 Ether
0x46836d23ff29ad21d5afa0293ee3ebf354cc96dd78ba43b93927a793cc686fe1584815592 days 21 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100057492877945908 Ether
0x48c6a28d44ef5141ae166b5cb81f5124acb02644bc20cb6c5bb1f73919b6352a581598398 days 9 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100060566312859462 Ether
0x2e59f9395e22675a0bab1bf0928ad60902d46f6415047f1f1175fee2891b2fdb5785170103 days 15 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100044230473036023 Ether
0x1b3f6e891a53616fcaf7e28417fadc3f428bed9554dad89c3ccfcd79a53e2d0f5754837109 days ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100035425783666728 Ether
0x4d3290adc2d55ecc78c1a5d06f5efc392264b24849b3f1f68f5c922a059b8bc95722405114 days 18 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100005016795584821 Ether
0xde9791d8429fd04c8c2a686658598b676765eb15e777c455f696433d51601e605693849119 days 19 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100052026889623955 Ether
0xbefb2ea11037181f827597e1a020e773f5047bf03f2cf2f6090b5f094cbdca375664021125 days 2 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.10010046055486547 Ether
0x2a04be5a98ef2dda1db1892b2811fa3e6a545fbe94ec0077ecfdbe1959eef0f55634594130 days 7 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100015602826369007 Ether
0x825d96f2a7b6ff0138981b871c835222aa23d4079ce252de8cdab07f89c3b8565605088135 days 12 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.10000606513552663 Ether
0x7a780c7c2a5a70be26d30bf56496dba8b1d4aaa10a5ce2588abc4650d49b2e5b5574226140 days 21 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100045732784127686 Ether
0x3fe979740a536db48dae32c0022203e4d0fbce791a7044bfb4eced4e41f0374a5545066145 days 23 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100051961554219247 Ether
0x05ac69f2bd9eabf8a6090d39e6033b8809cae7a238b0d230661bd175cb8fee515515659151 days 2 hrs ago0xd5da8d41ba59b2dafac1881bd1ab576d91643cef0x1522900b6dafac587d499a862861c0869be6e4280.100172449336027518 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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