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Contract Overview
ETH Balance: 0 Ether
ETH USD Value: $0
No Of Transactions: 159 txns
  Latest 25 txns from a total Of 159 transactions View All

TxHash Age From To Value [TxFee]
0x673085991592b26e3484f5c1f5948f4aa98e975cc252afc0ff4b6ccf292c245b2 hrs 25 mins agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30151218 Ether0.000910035
0xeda79e0d4d4e8a9f80f30a1c5cb705477bc126b94711f842ad73c31069cad43d1 day 23 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.3076961 Ether0.000910035
0xba1d6ca3e457aa462033756799cf2d4675b2762ea98af240bd356bbd86a0f04d3 days 17 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.31688168 Ether0.000910035
0xfd65334ea913bee93517d5ba48fcf88fea61c66293bddbe2ccaf3b10de648f4a6 days 10 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30484369 Ether0.000910035
0x2cfa862803c4c801b55b78157364f10ec40c0d9c8e7a1a62cca547d3e6f72a8f8 days 14 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30206394 Ether0.000910035
0x201cb3819a4410dd3201779baf6180171c89a15523f005637131f770dcb2ceb610 days 16 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30081361 Ether0.000910035
0x3d6c259f6f5a260c9b0280f617d3432d58a8b68d55eabcf0cf042b1e1297dd7612 days 23 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30014635 Ether0.000910035
0xa8113aa1acae4d8c8bff1f78f01277985bbfe689f36e42ae823fc32c159da34215 days 10 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30184182 Ether0.000910035
0x1e803b429eb317a5b7c227a7a29cce5c83b871300d5f6ba3915ea7fb7e54e49b17 days 8 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30333258 Ether0.000910035
0xad966cea9e3ba54e217d1927737bec34d330d9c9fc2250830395a8ae4bf7dfc319 days 23 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30725005 Ether0.000910035
0x3bb11a3551a9956263a1dededb96dfe56681b8f8533ea351310c148561f8649c22 days 11 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30077054 Ether0.000910035
0xe2f0bf48be720e33510161f8266c7da3347bb42bf006c4062090486f5d542cdf24 days 12 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.31266482 Ether0.000910035
0xde7bf8277893499a2d31360e219c0a3b9244fe9d63fa7daaa1fc3431f70a90dd27 days 6 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30613612 Ether0.002190825
0xbe97b8461772e48b6ceaab654c083c7831e9b02d071f53252e7aeedbbcdec63d29 days 7 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.31893857 Ether0.002190825
0xe986afa08e3ab6830380fe57828e468c2a309603803db925a8d1c1a5b43a534e31 days 4 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.31338561 Ether0.002190825
0x7d3ec8e2a3e690ba54750f18f334fad6e4b698c18c0f0034a4ed98797408db1d32 days 23 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30533195 Ether0.00424683
0x40626ac59a4eadbd09078b0685597b27724253db7ab91270f6ca7ab0f4e89b9135 days 15 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30896763 Ether0.00424683
0x702ac3e5115183a41574015cce34ddaf6288b1ee9e45b1790118f653e93dac5337 days 23 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.31144715 Ether0.00424683
0x9b13db358ee9ce89660ca78ab4846f45aae6fbd19cb89fbbd271dfd054e6521139 days 17 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30392762 Ether0.00424683
0xa083d7c3ee767d1cbbc4086af88ef51331eadc36d0510e2ff8f8f5de49e87fad41 days 12 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30545204 Ether0.00303345
0x754c920dc8a7f3c12354c34c9793a95eae52cabd2cbd84da917a0a51f418d3a043 days 15 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30366629 Ether0.003741255
0x2f3608b69fb29e28aa42ea263bd60a222d6ca7d444d4d4f3d817b135ad4e4dec45 days 7 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30375635 Ether0.00168525
0x4761a8d6aa5ee42f11e383876c48f94db39825fec7ba31ff2d083041914583f546 days 16 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30129436 Ether0.0033705
0xa56fd3d07bbbdc4af8c4fbfc9cce5d9a04c7c86773b93a9e8e772446d156daef48 days 1 hr agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.30508647 Ether0.00155043
0x3dcf276656c02254ed330f91e5d338c421e50c52f935c65448b3f4ccb80ec38f49 days 4 hrs agoCoinotron_2  IN   0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0.31841851 Ether0.002965743396
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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
0x673085991592b26e3484f5c1f5948f4aa98e975cc252afc0ff4b6ccf292c245b51467332 hrs 25 mins ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30151218 Ether
0xeda79e0d4d4e8a9f80f30a1c5cb705477bc126b94711f842ad73c31069cad43d51356351 day 23 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.3076961 Ether
0xba1d6ca3e457aa462033756799cf2d4675b2762ea98af240bd356bbd86a0f04d51255703 days 17 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.31688168 Ether
0xfd65334ea913bee93517d5ba48fcf88fea61c66293bddbe2ccaf3b10de648f4a51094746 days 10 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30484369 Ether
0x2cfa862803c4c801b55b78157364f10ec40c0d9c8e7a1a62cca547d3e6f72a8f50964398 days 14 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30206394 Ether
0x201cb3819a4410dd3201779baf6180171c89a15523f005637131f770dcb2ceb6508410510 days 16 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30081361 Ether
0x3d6c259f6f5a260c9b0280f617d3432d58a8b68d55eabcf0cf042b1e1297dd76507063612 days 23 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30014635 Ether
0xa8113aa1acae4d8c8bff1f78f01277985bbfe689f36e42ae823fc32c159da342505598015 days 10 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30184182 Ether
0x1e803b429eb317a5b7c227a7a29cce5c83b871300d5f6ba3915ea7fb7e54e49b504456817 days 8 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30333258 Ether
0xad966cea9e3ba54e217d1927737bec34d330d9c9fc2250830395a8ae4bf7dfc3502873219 days 23 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30725005 Ether
0x3bb11a3551a9956263a1dededb96dfe56681b8f8533ea351310c148561f8649c501392822 days 11 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30077054 Ether
0xe2f0bf48be720e33510161f8266c7da3347bb42bf006c4062090486f5d542cdf500191224 days 12 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.31266482 Ether
0xde7bf8277893499a2d31360e219c0a3b9244fe9d63fa7daaa1fc3431f70a90dd498560327 days 6 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30613612 Ether
0xbe97b8461772e48b6ceaab654c083c7831e9b02d071f53252e7aeedbbcdec63d497348729 days 7 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.31893857 Ether
0xe986afa08e3ab6830380fe57828e468c2a309603803db925a8d1c1a5b43a534e496233331 days 4 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.31338561 Ether
0x7d3ec8e2a3e690ba54750f18f334fad6e4b698c18c0f0034a4ed98797408db1d495182032 days 23 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30533195 Ether
0x40626ac59a4eadbd09078b0685597b27724253db7ab91270f6ca7ab0f4e89b91493615735 days 15 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30896763 Ether
0x702ac3e5115183a41574015cce34ddaf6288b1ee9e45b1790118f653e93dac53492326737 days 23 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.31144715 Ether
0x9b13db358ee9ce89660ca78ab4846f45aae6fbd19cb89fbbd271dfd054e65211491354239 days 17 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30392762 Ether
0xa083d7c3ee767d1cbbc4086af88ef51331eadc36d0510e2ff8f8f5de49e87fad490351741 days 12 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30545204 Ether
0x754c920dc8a7f3c12354c34c9793a95eae52cabd2cbd84da917a0a51f418d3a0489217943 days 15 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30366629 Ether
0x2f3608b69fb29e28aa42ea263bd60a222d6ca7d444d4d4f3d817b135ad4e4dec488309345 days 7 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30375635 Ether
0x4761a8d6aa5ee42f11e383876c48f94db39825fec7ba31ff2d083041914583f5487562346 days 16 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30129436 Ether
0xa56fd3d07bbbdc4af8c4fbfc9cce5d9a04c7c86773b93a9e8e772446d156daef486805848 days 1 hr ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.30508647 Ether
0x3dcf276656c02254ed330f91e5d338c421e50c52f935c65448b3f4ccb80ec38f486194249 days 4 hrs ago0x5e9f9741c0485d38dc387bfa64bb4ff46186d62d0x1522900b6dafac587d499a862861c0869be6e4280.31841851 Ether
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Warning: The compiled contract might be susceptible to ZeroFunctionSelector (very low-severity) Solidity compiler bugs.

Contract Source Code Verified
Note: Displaying matching verified source code at contract 0xe236aebe408c6363deadff4db15938708fe07d3f
Contract Name: Forwarder
Compiler Version: 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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