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Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 1224 txns
 Latest 25 txns from a total Of 1224 transactions
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TxHash Age From To Value [TxFee]
0xe2fde007faa33919dd32f158d9ecb373f056b6f57e38e446b2d9b0355377ae3f20 hrs 11 mins agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc150.002204 Ether0.00074151
0x50c4049c3a9651a9fbe3ab00bc422e2ba2c8aab9aebf0cab5fab239911ea290a2 days 2 hrs ago0x2235fc3d146b4ecfaac3eccdd19dfb1d544640b6  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001525 Ether0.000303345
0x23654415e08b91d29d295bd10347578723f3c3cad8b91134aa6738fcfb4bc3273 days 51 mins ago0x0b80c4f2941a1db51ea7acd20e6add418b386fd5  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001722 Ether0.000303345
0x617d33e5e700f5311aa823aff7ce00631d9f2fc70a1bea16bb055ae5071db7239 days 2 hrs ago0x7dd9f7285f361adccfa002177d138a7ec6c8beab  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001608 Ether0.00040446
0x70ebcdccdbed20ea9b60b5b80ba9a0dd7d39ab880a829bb29db93ce73e70288c9 days 3 hrs ago0xa103e39f09dc772da53850643af81d9b06bec074  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001427 Ether0.000438165
0xeca95e073b658c2f692b862e90a6289b810438de58bdad7dc70e5885ede78a5a9 days 9 hrs ago0x5a70ea2593049457a524d3067b6aff852b3ef041  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.000909 Ether0.00033705
0x780b44ecdcb7a9a0b4f9ba5befc61a8ab0143b6e64eaccc4fe1369b8576c20db9 days 16 hrs ago0xfea8b9e6c52cb3423f3e22c3153d5a22eefd827b  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.000143 Ether0.000235935
0x6ba7c810f2e1b4b528c044fc7c2b162706a898279f350799334e45baba83438a10 days 1 hr ago0xa985d586baf4c99f4395cb2cf6b46488f7c6f4cb  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001628 Ether0.00040446
0xc27d557fab15607e1073001064675c31597fc792126131dc2d3228083124b1c310 days 3 hrs ago0xf1b856e9a8f48c4efc3b60c15d6debe7ff4bf3bc  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc50.001446 Ether0.0006741
0x625834c4b7dd5efbfb2abbdcf9d1fbec2c904231e5758d23b2a25eb6d9b3cebe10 days 3 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc50.001451 Ether0.00074151
0xa64a0bb36e8033d3c5f15d1160839cd277d61723dc00dd7a6a14024ea24889b710 days 3 hrs ago0x09e5d52660936acbd82b001fb7eaaa974e07a866  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc50.001446 Ether0.000640395
0x0c44174c439ee5f97b95d3f1a905ce7c2391ecd06bb220e7de73d2e5a594317310 days 3 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc50.00145 Ether0.00074151
0x67b5de5f9833e2ff3567e6bd5775878b8ef09b1c41a5e390e77f574019d79c7b10 days 23 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc50.001824 Ether0.00074151
0x16af839de45e787036631bf1eafefc92cbd543521f87aa4909460ba8f3f8c76611 days 11 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc200.000709 Ether0.00074151
0xc0a22c9ae2b43fce87e0bef8046ed0f216a0ae91685221f6fbd1b95325293edb11 days 21 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.002053 Ether0.00074151
0x6798c47fa6bc27e99fe8546d7bec6bc2e6758d2e692f9b187821500d5f1725e512 days 6 mins agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001808 Ether0.00074151
0x7ec29da6bd3d4c44caaf0a05746bc34d0cd4fa5e9f219cd28dc983f20810d5b512 days 7 mins agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc125.001807 Ether0.00074151
0x872167c2fe96af1fc696f8734b5dfe54978b3b98af2b844375e2184b8bf392e814 days 20 hrs agoHitBTC_2  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc99.992552 Ether0.000438165
0x9577a57e95b12a75fa80a4e40860aedbfe2982c01daff5a4e8b2883e1199016a14 days 22 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001946 Ether0.00074151
0x1e8a763958f7c29fbbb365a8f889f6d50babf3a3091c00e242310cf5116c8af115 days 23 hrs agoGemini_1  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc150.001831 Ether0.00074151
0xfdbd3d121f303f61a13c6a373a2a326bc190a9d768674ff1e2820dc7aca0324c16 days 2 hrs ago0x1044c0b66728651123d14bcd67e3a16be2140e24  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001604 Ether0.00047187
0xd3cac88e7c51f3823d378a6e6f869b7b2363e7afba4df44a624dd7f2bd53705616 days 18 hrs agoHitBTC_2  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc99.992674 Ether0.000491039718
0xf1b6cd084e0f9327eb6d631816511decff037b166c24c18eb8597a6c6c43bc7716 days 22 hrs ago0x61adcee98acd70edf5e473e3803328c313ebb884  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001917 Ether0.00168525
0xa34cc3719d2f9ae82fd648a60a50e95de031dbc07f77e91cdfca100ac91f776617 days 1 hr ago0x1001be84b9390083b2c46966bca78714dd3cef73  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.001657 Ether0.000505575
0xfa07f0c5cbdf1ea2ed593c17fddebb57271f9dcc7e842c33320f7bbfdd93c90517 days 13 hrs ago0x5e4806e62cc423c8a88119ec5a7135d6913d5b13  IN   0xc06e8862135825f697684eadb9f4d2cc3240c4cc100.000508 Ether0.00033705
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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
0xe2fde007faa33919dd32f158d9ecb373f056b6f57e38e446b2d9b0355377ae3f583658320 hrs 11 mins ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428150.002204 Ether
0x50c4049c3a9651a9fbe3ab00bc422e2ba2c8aab9aebf0cab5fab239911ea290a58291362 days 2 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001525 Ether
0x23654415e08b91d29d295bd10347578723f3c3cad8b91134aa6738fcfb4bc32758237083 days 51 mins ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001722 Ether
0x617d33e5e700f5311aa823aff7ce00631d9f2fc70a1bea16bb055ae5071db72357882789 days 2 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001608 Ether
0x70ebcdccdbed20ea9b60b5b80ba9a0dd7d39ab880a829bb29db93ce73e70288c57878679 days 3 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001427 Ether
0xeca95e073b658c2f692b862e90a6289b810438de58bdad7dc70e5885ede78a5a57866269 days 9 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.000909 Ether
0x780b44ecdcb7a9a0b4f9ba5befc61a8ab0143b6e64eaccc4fe1369b8576c20db57848299 days 16 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.000143 Ether
0x6ba7c810f2e1b4b528c044fc7c2b162706a898279f350799334e45baba83438a578256710 days 1 hr ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001628 Ether
0xc27d557fab15607e1073001064675c31597fc792126131dc2d3228083124b1c3578217410 days 3 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42850.001446 Ether
0x625834c4b7dd5efbfb2abbdcf9d1fbec2c904231e5758d23b2a25eb6d9b3cebe578217010 days 3 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42850.001451 Ether
0xa64a0bb36e8033d3c5f15d1160839cd277d61723dc00dd7a6a14024ea24889b7578216610 days 3 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42850.001446 Ether
0x0c44174c439ee5f97b95d3f1a905ce7c2391ecd06bb220e7de73d2e5a5943173578216610 days 3 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42850.00145 Ether
0x67b5de5f9833e2ff3567e6bd5775878b8ef09b1c41a5e390e77f574019d79c7b577731610 days 23 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42850.001824 Ether
0x16af839de45e787036631bf1eafefc92cbd543521f87aa4909460ba8f3f8c766577464111 days 11 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428200.000709 Ether
0xc0a22c9ae2b43fce87e0bef8046ed0f216a0ae91685221f6fbd1b95325293edb577223611 days 21 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.002053 Ether
0x6798c47fa6bc27e99fe8546d7bec6bc2e6758d2e692f9b187821500d5f1725e5577158412 days 6 mins ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001808 Ether
0x7ec29da6bd3d4c44caaf0a05746bc34d0cd4fa5e9f219cd28dc983f20810d5b5577157812 days 7 mins ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428125.001807 Ether
0x872167c2fe96af1fc696f8734b5dfe54978b3b98af2b844375e2184b8bf392e8575554814 days 20 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42899.992552 Ether
0x9577a57e95b12a75fa80a4e40860aedbfe2982c01daff5a4e8b2883e1199016a575506614 days 22 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001946 Ether
0x1e8a763958f7c29fbbb365a8f889f6d50babf3a3091c00e242310cf5116c8af1574907815 days 23 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428150.001831 Ether
0xfdbd3d121f303f61a13c6a373a2a326bc190a9d768674ff1e2820dc7aca0324c574851316 days 2 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001604 Ether
0xd3cac88e7c51f3823d378a6e6f869b7b2363e7afba4df44a624dd7f2bd537056574459916 days 18 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e42899.992674 Ether
0xf1b6cd084e0f9327eb6d631816511decff037b166c24c18eb8597a6c6c43bc77574364716 days 22 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001917 Ether
0xa34cc3719d2f9ae82fd648a60a50e95de031dbc07f77e91cdfca100ac91f7766574309817 days 1 hr ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.001657 Ether
0xfa07f0c5cbdf1ea2ed593c17fddebb57271f9dcc7e842c33320f7bbfdd93c905574031017 days 13 hrs ago0xc06e8862135825f697684eadb9f4d2cc3240c4cc0x1522900b6dafac587d499a862861c0869be6e428100.000508 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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