Contract 0xb123094b05064e92d187336b8e839e615f46d90a

 

TxHash Block Age From To Value [TxFee]
0x438a4bd3d1877c97c9f57b1ad56b71b2b9b7eb4122733cb9349102e445ffa0f8723158515 hrs 23 mins agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201623497461376 Ether0.00033705
0x4ae2e1ce44ccda349bdeb798f84b72f3aeffef75d98b0c3df41ff4a48398a77972276121 day 14 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200405157721884 Ether0.00033705
0x64ce97161d65228d84248eb8f8cb3bb0a0d9104a1d4f83befeb935c10c09eec972237022 days 12 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201092130462854 Ether0.00033705
0x912b191bb2da94710760120a3f4a514f2e813a8e967e561677d4462fe256732c72195003 days 12 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.207344282215017 Ether0.00033705
0x97af9ed6f686377e1009dc411ec3816a6841154e85fffe40786ef6a7016f0a5d72155844 days 11 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200344976360955 Ether0.00033705
0x87f1a71775f96952c44ea82654750f6fd4fa9016c0dc19fe4680b0d9d1ddaa7d72119455 days 8 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200607884960715 Ether0.00033705
0x52e0b6cc3fa4038555a8d298ef03ef692403af7c1dd422c54debcddfc436c60272080536 days 6 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201918851357208 Ether0.00033705
0x1776263fc46467a85b6532bc8eb9fd9b371a4bef45c5083526d8303acd6cfdf572040617 days 5 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200089495538757 Ether0.00033705
0xfb8c5cf2190dfecdc5485c4d6785de6c39243f0cdddda3231448effe9dfd39d572002588 days 2 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.20167753725368 Ether0.00033705
0xf64937e7f8f6ca1c63f61faaa63f1848ed2dfac8bb54e33dfacbfdae5b14264671959198 days 23 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200625052962184 Ether0.00033705
0xeba1b824d1a388b5bddda43cb57c66aec731206f202388e3ab9be6aafe90187c71919439 days 18 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200152552364139 Ether0.00033705
0x6a2e87f36589f28362575add190e7a546ecb50a872667df1944d6ea87cb90c4c718790410 days 14 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200470672705556 Ether0.00033705
0x7845869e76bb880fc30509f81fb4a3497442220403fd35ab66fe218d77f636dc718413911 days 9 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.202172672301436 Ether0.00033705
0x1591b6a9316983f57ff761a38545100cceff0c5007713677285f1291cf72bb87717996812 days 5 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201502533630128 Ether0.00033705
0xdaa3e60547a2813ec3322973615d7207183f4bccbea0a0e56e10d3ae11c2dbbb717590313 days 1 hr agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200966484057927 Ether0.00033705
0xaf6f319eb2d55f3d3f5283994308825a6ad2afa5fcc329deee038b9103c760e9717203013 days 20 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200887450853452 Ether0.00033705
0x8fc381949e2f34efc3605d239e414c8cd9afa6e89212f3fcf89fdd4e238d2516716783614 days 16 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200521396400332 Ether0.00033705
0x16abbf58008bb7a690cfd3a8fb7c52ebe608ae5a9c08c6366cb417d55065fd9b716399215 days 11 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201534364306676 Ether0.00033705
0x0bc9b0e4ca4baa17b4ca4d15bb444561c37e69867e01619b63a934db1ad5491d715961316 days 9 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201678567094653 Ether0.00033705
0xcaa8241312fd0e7effd742a477fa48d48e5774dc1ac132fc73b349b353b0205b715560217 days 4 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200349205214151 Ether0.00033705
0x3b82b4e30d3f7d7ddabebd2f99121c0b16203215b70d2a5611bb44608eff9f45715163318 days 7 mins agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200695559962432 Ether0.00033705
0x10513e2ff0ece62d4d458bb511151e9c9d76dea9df59f47105801ac8e5140f22714751518 days 20 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200111532111887 Ether0.00033705
0xdee31ec750b57b4d41748c6646df68935964fd8a89ab598a41991741e76da23f714338419 days 16 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201373838736638 Ether0.00033705
0x9f4c80b06654382559b843d2208ebad2340478252348ff0c1e84597ea33d3424713920420 days 13 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.200854611303091 Ether0.00033705
0x59b226b020f46173e77d8179b38115e5f8ea3dcb9dc5c63f89480695b640931d713443921 days 12 hrs agoNanopool  IN   0xb123094b05064e92d187336b8e839e615f46d90a0.201409116463053 Ether0.00033705
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Latest 25 Internal Transaction, Click here to view more Internal Transactions as a result of Contract Execution

Parent TxHash Block Age From To Value
0x438a4bd3d1877c97c9f57b1ad56b71b2b9b7eb4122733cb9349102e445ffa0f8723158515 hrs 23 mins ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201623497461376 Ether
0x4ae2e1ce44ccda349bdeb798f84b72f3aeffef75d98b0c3df41ff4a48398a77972276121 day 14 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200405157721884 Ether
0x64ce97161d65228d84248eb8f8cb3bb0a0d9104a1d4f83befeb935c10c09eec972237022 days 12 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201092130462854016 Ether
0x912b191bb2da94710760120a3f4a514f2e813a8e967e561677d4462fe256732c72195003 days 12 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.207344282215017984 Ether
0x97af9ed6f686377e1009dc411ec3816a6841154e85fffe40786ef6a7016f0a5d72155844 days 11 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200344976360955008 Ether
0x87f1a71775f96952c44ea82654750f6fd4fa9016c0dc19fe4680b0d9d1ddaa7d72119455 days 8 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200607884960715008 Ether
0x52e0b6cc3fa4038555a8d298ef03ef692403af7c1dd422c54debcddfc436c60272080536 days 6 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201918851357208 Ether
0x1776263fc46467a85b6532bc8eb9fd9b371a4bef45c5083526d8303acd6cfdf572040617 days 5 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200089495538757984 Ether
0xfb8c5cf2190dfecdc5485c4d6785de6c39243f0cdddda3231448effe9dfd39d572002588 days 2 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.20167753725368 Ether
0xf64937e7f8f6ca1c63f61faaa63f1848ed2dfac8bb54e33dfacbfdae5b14264671959198 days 23 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200625052962184992 Ether
0xeba1b824d1a388b5bddda43cb57c66aec731206f202388e3ab9be6aafe90187c71919439 days 18 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200152552364139008 Ether
0x6a2e87f36589f28362575add190e7a546ecb50a872667df1944d6ea87cb90c4c718790410 days 14 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200470672705556 Ether
0x7845869e76bb880fc30509f81fb4a3497442220403fd35ab66fe218d77f636dc718413911 days 9 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.202172672301436 Ether
0x1591b6a9316983f57ff761a38545100cceff0c5007713677285f1291cf72bb87717996812 days 5 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201502533630128 Ether
0xdaa3e60547a2813ec3322973615d7207183f4bccbea0a0e56e10d3ae11c2dbbb717590313 days 1 hr ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200966484057927008 Ether
0xaf6f319eb2d55f3d3f5283994308825a6ad2afa5fcc329deee038b9103c760e9717203013 days 20 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200887450853452 Ether
0x8fc381949e2f34efc3605d239e414c8cd9afa6e89212f3fcf89fdd4e238d2516716783614 days 16 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200521396400332992 Ether
0x16abbf58008bb7a690cfd3a8fb7c52ebe608ae5a9c08c6366cb417d55065fd9b716399215 days 11 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201534364306676 Ether
0x0bc9b0e4ca4baa17b4ca4d15bb444561c37e69867e01619b63a934db1ad5491d715961316 days 9 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201678567094653024 Ether
0xcaa8241312fd0e7effd742a477fa48d48e5774dc1ac132fc73b349b353b0205b715560217 days 4 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200349205214151008 Ether
0x3b82b4e30d3f7d7ddabebd2f99121c0b16203215b70d2a5611bb44608eff9f45715163318 days 7 mins ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200695559962432 Ether
0x10513e2ff0ece62d4d458bb511151e9c9d76dea9df59f47105801ac8e5140f22714751518 days 20 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200111532111887008 Ether
0xdee31ec750b57b4d41748c6646df68935964fd8a89ab598a41991741e76da23f714338419 days 16 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201373838736638016 Ether
0x9f4c80b06654382559b843d2208ebad2340478252348ff0c1e84597ea33d3424713920420 days 13 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.200854611303091008 Ether
0x59b226b020f46173e77d8179b38115e5f8ea3dcb9dc5c63f89480695b640931d713443921 days 12 hrs ago0xb123094b05064e92d187336b8e839e615f46d90a0x131a99859a8bfa3251d899f0675607766736ffae0.201409116463053024 Ether
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Warning: The compiled contract might be susceptible to ExpExponentCleanup (medium/high-severity), NestedArrayFunctionCallDecoder (medium-severity), ZeroFunctionSelector (very low-severity) Solidity Compiler Bugs.

Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Verified Source Code for Contract 0xe236aebe408c6363deadff4db15938708fe07d3f
Contract Name: Forwarder
Compiler Version: v0.4.16-nightly.2017.8.11+commit.c84de7fa
Optimization Enabled: Yes
Runs (Optimizer):  200


Contract Source Code
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
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


   Swarm Source:
bzzr://d0f8838ba17108a895d34ae8ef3bff4e0dc9d639c3c51921fee1d17eaa803721
Block Age transaction Difficulty GasUsed Reward
Block Age Uncle Number Difficulty GasUsed Reward
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