Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 121 txns
Misc:
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Contract Creator: 0xd6a062cae6123c158768a5c444ca0896cc60d6b1at txn 0x75de678d63500a4d4fa4d25fb4b167a93df66dce0753a76fd66c18279c1b7ccf
Token Balance:
 Latest 25 transactions from a total of 121 transactions

TxHash Age From To Value [TxFee]
0x691e3e01ba519fcd25846e6db6697110283d89998c0423f855e1a8b43d6bc25e99 days 13 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050017323225199 Ether0.000101115
0xfec3e0b4bd5ad6052af7bcb1a44c4bf8a0472f5d0d6c2ea0688153859962c92d101 days 4 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050171692380153 Ether0.000101115
0xe96b875613659ebd81dac6d804b62c345c2d878b9930ff2f722e4af61ce90140102 days 20 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.05008362118295 Ether0.000101115
0xfb2093baaedd14decdb805117f93704724a2c9fc00f9c3820a68dd5295070643104 days 14 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050395120053612 Ether0.000033705
0x78635e38b18bedff193d8654f676687ff7b5b6e8fb482a4e2a9abcb9386f6746106 days 7 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050044456513035 Ether0.000033705
0xaf82978e128c81c0c0e1044fcae1bca19793d3baeff84bdc527c5f777029f596107 days 21 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.108157989415886 Ether0.00013482
0xc3dfcb99dad7a9cc502b3f411de07a03f490aa03dd591a81ed24543be2df487d111 days 19 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050461250231761 Ether0.000033705
0x2de34eea1a0e491ae4387a81612bf51aa469bf688a13e3515e5080817244b1db113 days 14 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.05002755335687 Ether0.000033705
0x81c80eca153ccf722ab685febf8e3805ccfd508b4ca7226638184aaa8984de7f115 days 8 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050165487320957 Ether0.000033705
0xea1f498d057794e1143a7b1cb8442fddd5c453a469739a99144a99f1cac2d126117 days 3 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050173234168684 Ether0.000033705
0xccfdae5fc1dca512c7b038d49ea2c131d66545bf0a1cc4f36e58bc1be1ce908b118 days 19 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050035939126315 Ether0.000033705
0x28d2f87b15fe99593cd7ba35f0e7731380cea25fb13a608369304a9ed6106b1c120 days 15 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050500177227058 Ether0.000033705
0x0bb566dd2226d8bd6c31240c161ef9f3ea95d7ee41469b229be20d0fcbe4a48c122 days 9 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050028828902574 Ether0.000033705
0xa6a2f7c036d914f609034c8a132bc61552e332d32340375759b00f06d7888d3f124 days 4 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050042382772411 Ether0.000033705
0x3541cbdc09e09904b1e715530d0427c582cf62078fd8ce0229478dd8e81fb505126 days 1 hr agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050076407214155 Ether0.000033705
0x71d3b95cbfa14eefb43df9ca3af3780b1e543f63b1c5cf6d36a76c9f41cbd77a128 days 2 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050510261410015 Ether0.000033705
0xe13daa3de850370b1cbe2184b2c1e62da20647bc28311e374d4c498810359150129 days 20 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050403101000713 Ether0.000033705
0x379eb7ddfa1c63c9925449f36db4c5dcf8ad49bd421c5a62e84a9bae79b34833131 days 12 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050186585486671 Ether0.000033705
0x555cd723c3d86255e335fc39d0b4577288e0bb50cfa2a4369ecc901d57b60823133 days 9 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050075212817442 Ether0.000033705
0xba6ea017f490e35ddd5f624e75da1399be1cc3ca03782bba37a6dd72686f26eb135 days 6 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050255021924515 Ether0.000033705
0x8e5fbf52b1b184cb913f62cd0e78d87ae9b12b4b6082c1cb7cd9fe56b5cb1fe1137 days 5 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050183909310176 Ether0.000033705
0xb5e0a7d6580d2a1f20041f375df51254f0bb0ba205408c0c9c5eb5be28556db9139 days 2 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050086800687188 Ether0.000033705
0x1ed6f9131157c4a6c493d76d35da01fa78721f038248cd9b6f36585dad23cf40140 days 20 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050259740720393 Ether0.000033705
0x26ad33e6c4411679fac2740b2bce02d480d114173ab7f6b652f1a147950a8488142 days 15 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050277696010693 Ether0.000033705
0x4297f4dd4adc0f5aa3e8035972469a2f9c01f0382960678aabf0dfe8174c21f8144 days 12 hrs agoNanopool  IN   0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0.050242712248888 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
0x691e3e01ba519fcd25846e6db6697110283d89998c0423f855e1a8b43d6bc25e629798799 days 13 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050017323225199904 Ether
0xfec3e0b4bd5ad6052af7bcb1a44c4bf8a0472f5d0d6c2ea0688153859962c92d6288276101 days 4 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050171692380153104 Ether
0xe96b875613659ebd81dac6d804b62c345c2d878b9930ff2f722e4af61ce901406278499102 days 20 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050083621182950696 Ether
0xfb2093baaedd14decdb805117f93704724a2c9fc00f9c3820a68dd52950706436267976104 days 14 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050395120053612104 Ether
0x78635e38b18bedff193d8654f676687ff7b5b6e8fb482a4e2a9abcb9386f67466257900106 days 7 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0500444565130352 Ether
0xaf82978e128c81c0c0e1044fcae1bca19793d3baeff84bdc527c5f777029f5966248383107 days 21 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.108157989415886 Ether
0xc3dfcb99dad7a9cc502b3f411de07a03f490aa03dd591a81ed24543be2df487d6225201111 days 19 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050461250231761104 Ether
0x2de34eea1a0e491ae4387a81612bf51aa469bf688a13e3515e5080817244b1db6214719113 days 14 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050027553356870704 Ether
0x81c80eca153ccf722ab685febf8e3805ccfd508b4ca7226638184aaa8984de7f6204224115 days 8 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0501654873209574 Ether
0xea1f498d057794e1143a7b1cb8442fddd5c453a469739a99144a99f1cac2d1266193703117 days 3 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050173234168684704 Ether
0xccfdae5fc1dca512c7b038d49ea2c131d66545bf0a1cc4f36e58bc1be1ce908b6183672118 days 19 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0500359391263152 Ether
0x28d2f87b15fe99593cd7ba35f0e7731380cea25fb13a608369304a9ed6106b1c6172788120 days 15 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050500177227058896 Ether
0x0bb566dd2226d8bd6c31240c161ef9f3ea95d7ee41469b229be20d0fcbe4a48c6162673122 days 9 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050028828902574496 Ether
0xa6a2f7c036d914f609034c8a132bc61552e332d32340375759b00f06d7888d3f6151912124 days 4 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050042382772411 Ether
0x3541cbdc09e09904b1e715530d0427c582cf62078fd8ce0229478dd8e81fb5056140828126 days 1 hr ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050076407214155704 Ether
0x71d3b95cbfa14eefb43df9ca3af3780b1e543f63b1c5cf6d36a76c9f41cbd77a6129031128 days 2 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050510261410015304 Ether
0xe13daa3de850370b1cbe2184b2c1e62da20647bc28311e374d4c4988103591506118476129 days 20 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0504031010007134 Ether
0x379eb7ddfa1c63c9925449f36db4c5dcf8ad49bd421c5a62e84a9bae79b348336108538131 days 12 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0501865854866716 Ether
0x555cd723c3d86255e335fc39d0b4577288e0bb50cfa2a4369ecc901d57b608236097469133 days 9 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050075212817442896 Ether
0xba6ea017f490e35ddd5f624e75da1399be1cc3ca03782bba37a6dd72686f26eb6086306135 days 6 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050255021924515504 Ether
0x8e5fbf52b1b184cb913f62cd0e78d87ae9b12b4b6082c1cb7cd9fe56b5cb1fe16074698137 days 5 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0501839093101762 Ether
0xb5e0a7d6580d2a1f20041f375df51254f0bb0ba205408c0c9c5eb5be28556db96063651139 days 2 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050086800687188304 Ether
0x1ed6f9131157c4a6c493d76d35da01fa78721f038248cd9b6f36585dad23cf406053367140 days 20 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050259740720393704 Ether
0x26ad33e6c4411679fac2740b2bce02d480d114173ab7f6b652f1a147950a84886042600142 days 15 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.0502776960106934 Ether
0x4297f4dd4adc0f5aa3e8035972469a2f9c01f0382960678aabf0dfe8174c21f86031613144 days 12 hrs ago0xf1a4c9ae0fe53945a6a14fb9642b19731cfb366c0xd6a062cae6123c158768a5c444ca0896cc60d6b10.050242712248888304 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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