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Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 79 txns
 Latest 25 txns from a total Of 79 transactions
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TxHash Age From To Value [TxFee]
0xf4713c3edd4873593271af6a5314e5506949f45424129eca8cc9ab36733f60361 day 6 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050484891551847 Ether0.000033705
0x01d0d7914abf3833660dbce4b0cada017425024e0e665a200116e5fc9762a6712 days 23 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050131205992039 Ether0.000033705
0xdd452f090dbb3eddb037a453ca2f63bf151d1e899b2831ac234e6bc749765db64 days 15 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050730046198046 Ether0.000033705
0xa2deacb4d1c88e725a0bb0f700ad67d84ccb4ab4d8b3eddf812b6145fc5d630c6 days 6 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050185023212031 Ether0.000033705
0xdbd1c67aca9a5a7b4d333d8733857038bc15b298dab8c266374b0220d4e2257c8 days 23 mins agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050358530898627 Ether0.000033705
0x674fa9c48c3e82f807457b524cde5dceb383d26c1607e7b0a2646148da9170709 days 19 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050172034812569 Ether0.000033705
0xf9aedf8a876ddf3ee85fec6270ce4b69cb20cc1091412f1604bfdcff8947aadb11 days 13 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050829809440419 Ether0.000033705
0xa7f146a1c03de8a4b5ea61c642d93523ef848631b76add9eda99f8af6e369eec13 days 6 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050094699724148 Ether0.000033705
0x6479551edb7e76c6f6b4320d7b1c67ed029f6f4601f7b1caa516468c8eedb84414 days 21 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050258505474093 Ether0.000033705
0x5e81f3c5baca4180e85a7cbd81ee95bf5fca29a8413d268b833a4b26d16e2afd16 days 10 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050230427580686 Ether0.000033705
0xc1e83a7e7476e68bb9323eb98be326435992d354ca6e62b2323e2bf535cf14ee18 days 1 hr agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050121786364347 Ether0.000033705
0xd66c8adc98d50e3e25aad2faf7d2c2bd665659147b8c7d92e156bb52fd8267be19 days 18 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050319211097416 Ether0.000033705
0x758c5fd7df803a9b1ee746bb1c0aed50f59f2be12d17b262c67917995366353421 days 8 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050441357902712 Ether0.000033705
0x574b52285064abb5a844c733bdacd48721804aabcd7d011af7883a1deb796a3522 days 22 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050363660059436 Ether0.000033705
0xc8a02d2711759f9d39091bc9fa0fbc01dadeba66afce1580f209d68b829120e324 days 12 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050374995503717 Ether0.000033705
0x61ad1bc8afeb7ec3b708a4a71e47bfb41c56b3a9e18cffce0929a2484ea679f926 days 4 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050344401563065 Ether0.000033705
0x85aea037dc20b9145a6adbdec9128013ff47b0fdae0833265bbf0db71c2e170128 days 18 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050232255849577 Ether0.000033705
0x7f89498593d29ca538a2258fe735edff6efedf1b8e918ec0259680d10f54678930 days 10 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050102435461999 Ether0.000033705
0x22f79e0f965ed01bb07d57cff2a016a31237feea95b919fe280aeedaefe6a01032 days 12 mins agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050286333218533 Ether0.000033705
0xd4f1b45d751bbb60f260cd3790c6d1f089a73b232017dce30d144953e91837e433 days 16 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050309508437196 Ether0.000033705
0x223647ff9362dc94a4b8c1f24e9ab4bf3567a5283cbea29e0e34a5019c27965e35 days 7 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050183365287769 Ether0.000033705
0x4723b4b08c14ae88899de668b5a52e04d81092e96983594bf77296a3929f04d036 days 20 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050503521165506 Ether0.000033705
0x030f9f726571c8ab3834967d51e1beac363571ec48abb27622b695606f17422338 days 10 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050518862012902 Ether0.000033705
0x5c9ea2ef64799aefcadf9955ff84aa298f4a161ca474ff2c0d4594eb95d0414e40 days 2 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050040088457373 Ether0.000033705
0x13fb4058ce3c599962d054068e217a0f93287b39a66d8772444b82e161e416cb41 days 16 hrs agoNanopool  IN  0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050227460492221 Ether0.000033705
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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
0xf4713c3edd4873593271af6a5314e5506949f45424129eca8cc9ab36733f603658186381 day 6 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050484891551847304 Ether
0x01d0d7914abf3833660dbce4b0cada017425024e0e665a200116e5fc9762a67158085822 days 23 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050131205992039104 Ether
0xdd452f090dbb3eddb037a453ca2f63bf151d1e899b2831ac234e6bc749765db657987534 days 15 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050730046198046104 Ether
0xa2deacb4d1c88e725a0bb0f700ad67d84ccb4ab4d8b3eddf812b6145fc5d630c57893246 days 6 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050185023212031496 Ether
0xdbd1c67aca9a5a7b4d333d8733857038bc15b298dab8c266374b0220d4e2257c57792938 days 23 mins ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050358530898627 Ether
0x674fa9c48c3e82f807457b524cde5dceb383d26c1607e7b0a2646148da91707057689489 days 19 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0501720348125694 Ether
0xf9aedf8a876ddf3ee85fec6270ce4b69cb20cc1091412f1604bfdcff8947aadb575913911 days 13 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0508298094404196 Ether
0xa7f146a1c03de8a4b5ea61c642d93523ef848631b76add9eda99f8af6e369eec574950613 days 6 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050094699724148496 Ether
0x6479551edb7e76c6f6b4320d7b1c67ed029f6f4601f7b1caa516468c8eedb844574038214 days 21 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0502585054740934 Ether
0x5e81f3c5baca4180e85a7cbd81ee95bf5fca29a8413d268b833a4b26d16e2afd573167416 days 10 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050230427580686296 Ether
0xc1e83a7e7476e68bb9323eb98be326435992d354ca6e62b2323e2bf535cf14ee572264318 days 1 hr ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050121786364347696 Ether
0xd66c8adc98d50e3e25aad2faf7d2c2bd665659147b8c7d92e156bb52fd8267be571280719 days 18 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050319211097416096 Ether
0x758c5fd7df803a9b1ee746bb1c0aed50f59f2be12d17b262c679179953663534570407221 days 8 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050441357902712296 Ether
0x574b52285064abb5a844c733bdacd48721804aabcd7d011af7883a1deb796a35569502922 days 22 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0503636600594362 Ether
0xc8a02d2711759f9d39091bc9fa0fbc01dadeba66afce1580f209d68b829120e3568618724 days 12 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0503749955037172 Ether
0x61ad1bc8afeb7ec3b708a4a71e47bfb41c56b3a9e18cffce0929a2484ea679f9567663426 days 4 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0503444015630658 Ether
0x85aea037dc20b9145a6adbdec9128013ff47b0fdae0833265bbf0db71c2e1701566201028 days 18 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050232255849577 Ether
0x7f89498593d29ca538a2258fe735edff6efedf1b8e918ec0259680d10f546789565282830 days 10 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050102435461999896 Ether
0x22f79e0f965ed01bb07d57cff2a016a31237feea95b919fe280aeedaefe6a010564384632 days 12 mins ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050286333218533 Ether
0xd4f1b45d751bbb60f260cd3790c6d1f089a73b232017dce30d144953e91837e4563447433 days 16 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0503095084371968 Ether
0x223647ff9362dc94a4b8c1f24e9ab4bf3567a5283cbea29e0e34a5019c27965e562516635 days 7 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050183365287769896 Ether
0x4723b4b08c14ae88899de668b5a52e04d81092e96983594bf77296a3929f04d0561647336 days 20 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050503521165506296 Ether
0x030f9f726571c8ab3834967d51e1beac363571ec48abb27622b695606f174223560750038 days 10 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0505188620129022 Ether
0x5c9ea2ef64799aefcadf9955ff84aa298f4a161ca474ff2c0d4594eb95d0414e559791240 days 2 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0500400884573732 Ether
0x13fb4058ce3c599962d054068e217a0f93287b39a66d8772444b82e161e416cb558877141 days 16 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0502274604922214 Ether
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Warning: The compiled contract might be susceptible to ZeroFunctionSelector (very low-severity) Solidity compiler bugs.

Contract Source Code Verified (Similar match)
Note: Displaying similar matching verified source code at contract 0xe236aebe408c6363deadff4db15938708fe07d3f(excluding Constructor Arguments if any)
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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