Contract 0x5E4Ec2dc5E305Cacf6549cD04700b2398A5AE0c1

 

Contract Overview

Balance:
0 Ether

EtherValue:
$0.00

Token:
 
Txn Hash
Method
Block
From
To
Value
0x993790268408e4f57c6c2f3d468af8f227058a8ba09ee75f3159b8c6b9120912Transfer133252402021-09-30 5:33:29490 days 15 hrs ago0x095cabab71ff5230b77ee5040dd57ca68ad9b44c IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.02006533 Ether0.0033888386
0x69c679539f829923bf3e7c581d6af9935e674e7afdff49bdb3ea9ba5a833eef5Transfer112920122020-11-20 1:27:18804 days 19 hrs ago0x1a2c9c848d9e9df10d45dd736fde9910d21e56b9 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.04849237 Ether0.0016980949.5
0x6ad74072216576fc4c1f56e6fd012a083a2a2af9bab50c3a9e2e5f942ff88439Transfer111145472020-10-23 19:48:26832 days 58 mins ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.14727501 Ether0.0006763319.71524848
0x376154831ba9ce9188efb9bad1d5dc014d2f9c24ed186412f25bfde24089769aTransfer109435452020-09-27 8:30:15858 days 12 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.48743856 Ether0.0017838652
0xef6713c9fb5f4737cb2f76dc903d0e886be1b490caaebcdc0a1469d41273c816Transfer109057372020-09-21 12:22:29864 days 8 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.31634646 Ether0.00933096272.00000145
0xa02f6d82df274c01db58a77cd636ee52658e4db4285788b138568577a110bb1aTransfer107542532020-08-29 7:18:41887 days 13 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.05794904 Ether0.0033275897
0xd410294beb97d24bb68acf55dc5ccdbd611b925e9f5a65a91fba1f2895aa0fe0Transfer106452732020-08-12 13:02:43904 days 7 hrs ago0x6e923328bbd2cc57b65bda118bd38227b9300eb8 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.41646666 Ether0.006861200
0x302efece72e4e7b92b3d48b7426f5e6eb2b7f8cbed78fc2510284b0e0fa0b90fTransfer106451812020-08-12 12:40:52904 days 8 hrs ago0x6e923328bbd2cc57b65bda118bd38227b9300eb8 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10 Ether0.00545003213
0x5eb95fae8e21af4fddab2af40e07e4eafd63fd0882ea84ffc2408ba05c0f5498Transfer106451092020-08-12 12:27:23904 days 8 hrs ago0x6e923328bbd2cc57b65bda118bd38227b9300eb8 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10 Ether0.00537327210
0x1ef6bfea9f8d37fddf72b545c8cc3302b35da3372275aeebff69e79337dfabceTransfer106026252020-08-05 23:13:42910 days 21 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.13445708 Ether0.0010291530
0xbf42d1d8c0d078baf6f8b59a55ddb1c1c3d3aa60f7178576e80657a911a7a4bdTransfer105982982020-08-05 7:02:14911 days 13 hrs ago0xd59759c5e411741b3b68b055d0886e0dc0ebd24e IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.07817708 Ether0.0018181653
0xacdce2f3dbdb8b6e7b2196a37366deb12ecd8d853356ebaa47ba748ca7daa2a7Transfer105597432020-07-30 7:48:11917 days 12 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.17784874 Ether0.0024356571.00000145
0x785bdd221b54d524136000e2262cdd00684e7ad549df57052b4d31cc3a304698Transfer104383532020-07-11 12:58:37936 days 7 hrs ago0x6e923328bbd2cc57b65bda118bd38227b9300eb8 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.2983353 Ether0.0010291530
0xb42ba0f02348f685a6795151b0eccbe861876ef57666616a349478dc08927644Transfer104204092020-07-08 18:12:47939 days 2 hrs ago0x6e923328bbd2cc57b65bda118bd38227b9300eb8 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.23825397 Ether0.0010291530
0x7b6b9d75690c20f7f453be64c64bac43c60e29902ed8d251628e130909d805abTransfer103500532020-06-27 20:53:51949 days 23 hrs ago0xc1a012e58ad5a229e4a7051e07bc5bdf2ecb91a2 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.24731078 Ether0.0010291530
0x6620b66622dee0cca708afbe830ef11d70fef2dbfb1131728d472f309638e37dTransfer103378042020-06-25 22:53:08951 days 21 hrs ago0xc1a012e58ad5a229e4a7051e07bc5bdf2ecb91a2 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.10946956 Ether0.0010291530
0x1256232ffa41203d283ac7a3eaa0fe4b5699a2907980855d351d34bb4bb12eaeTransfer103159402020-06-22 13:54:23955 days 6 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.09756359 Ether0.0017152550
0x181608706af90b0ad8c60872f22ca45ec4960b94bbdf75195ca83b9c9aaa561aTransfer102998882020-06-20 2:13:49957 days 18 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.5514353 Ether0.0006205718.09
0x52be95f00218475b1d4551a7e381838e82c215a7f2e6b6d363239f3ed1a76dedTransfer102814112020-06-17 5:40:30960 days 15 hrs ago0x7d3d6e97044650965d5618510fba22f525fca573 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.22282332 Ether0.0012178235.5
0xb04665a9376353d9ff6019cf83631585e08cedea7566b43ce66f825be89dcdabTransfer101839502020-06-02 3:22:42975 days 17 hrs ago0xc1a012e58ad5a229e4a7051e07bc5bdf2ecb91a2 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.17200698 Ether0.0010291530
0xf73bc7ca47f66c65b4b1c2d0d35bc4f898163577df51239ab81e915573834dfaTransfer101208162020-05-23 7:40:39985 days 13 hrs ago0xc1a012e58ad5a229e4a7051e07bc5bdf2ecb91a2 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.3888792 Ether0.0010291530
0x7f9fbf7d823f634d9e619dfa857035611cb8a20ca712c374131942acaa637218Transfer89059732019-11-10 2:45:511180 days 18 hrs ago0x8810bf9ad94c9b9ecf70b489bbed91239a1fc877 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.299845 Ether0.000037071.1
0xc6f96552515ff6272ae756561e2086247e60a56681f56a920ce08354691a85b9Transfer87054562019-10-09 4:03:531212 days 16 hrs ago0x59aa0e99cbe397dd5f2eb4013de9094f804a4f37 IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.30806861 Ether0.0010111530
0x3d906bd5eeea40bd786f0f9f286f926d16e2de813d4e8da6f3eb4fa410b0ee7dTransfer84236452019-08-26 4:12:241256 days 16 hrs ago0xf615b60b32dd89104442d425718cd38a5bc344ff IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.129792 Ether0.000674120
0x114f3f9abbcf1f1c18f86e7c2c5c95c9179e6262c53e5dd6840f437bd2dcb502Transfer79988862019-06-21 2:53:201322 days 17 hrs agoCoinExchange.io IN  0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c10.17331094 Ether0.0016852550
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x993790268408e4f57c6c2f3d468af8f227058a8ba09ee75f3159b8c6b9120912133252402021-09-30 5:33:29490 days 15 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.02006533 Ether
0x69c679539f829923bf3e7c581d6af9935e674e7afdff49bdb3ea9ba5a833eef5112920122020-11-20 1:27:18804 days 19 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.04849237 Ether
0x6ad74072216576fc4c1f56e6fd012a083a2a2af9bab50c3a9e2e5f942ff88439111145472020-10-23 19:48:26832 days 58 mins ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.14727501 Ether
0x376154831ba9ce9188efb9bad1d5dc014d2f9c24ed186412f25bfde24089769a109435452020-09-27 8:30:15858 days 12 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.48743856 Ether
0xef6713c9fb5f4737cb2f76dc903d0e886be1b490caaebcdc0a1469d41273c816109057372020-09-21 12:22:29864 days 8 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.31634646 Ether
0xa02f6d82df274c01db58a77cd636ee52658e4db4285788b138568577a110bb1a107542532020-08-29 7:18:41887 days 13 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.05794904 Ether
0xd410294beb97d24bb68acf55dc5ccdbd611b925e9f5a65a91fba1f2895aa0fe0106452732020-08-12 13:02:43904 days 7 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.41646666 Ether
0x1ef6bfea9f8d37fddf72b545c8cc3302b35da3372275aeebff69e79337dfabce106026252020-08-05 23:13:42910 days 21 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.13445708 Ether
0xbf42d1d8c0d078baf6f8b59a55ddb1c1c3d3aa60f7178576e80657a911a7a4bd105982982020-08-05 7:02:14911 days 13 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.07817708 Ether
0xacdce2f3dbdb8b6e7b2196a37366deb12ecd8d853356ebaa47ba748ca7daa2a7105597432020-07-30 7:48:11917 days 12 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.17784874 Ether
0x785bdd221b54d524136000e2262cdd00684e7ad549df57052b4d31cc3a304698104383532020-07-11 12:58:37936 days 7 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.2983353 Ether
0xb42ba0f02348f685a6795151b0eccbe861876ef57666616a349478dc08927644104204092020-07-08 18:12:47939 days 2 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.23825397 Ether
0x7b6b9d75690c20f7f453be64c64bac43c60e29902ed8d251628e130909d805ab103500532020-06-27 20:53:51949 days 23 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.24731078 Ether
0x6620b66622dee0cca708afbe830ef11d70fef2dbfb1131728d472f309638e37d103378042020-06-25 22:53:08951 days 21 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.10946956 Ether
0x1256232ffa41203d283ac7a3eaa0fe4b5699a2907980855d351d34bb4bb12eae103159402020-06-22 13:54:23955 days 6 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.09756359 Ether
0x181608706af90b0ad8c60872f22ca45ec4960b94bbdf75195ca83b9c9aaa561a102998882020-06-20 2:13:49957 days 18 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.5514353 Ether
0x52be95f00218475b1d4551a7e381838e82c215a7f2e6b6d363239f3ed1a76ded102814112020-06-17 5:40:30960 days 15 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.22282332 Ether
0xb04665a9376353d9ff6019cf83631585e08cedea7566b43ce66f825be89dcdab101839502020-06-02 3:22:42975 days 17 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.17200698 Ether
0xf73bc7ca47f66c65b4b1c2d0d35bc4f898163577df51239ab81e915573834dfa101208162020-05-23 7:40:39985 days 13 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.3888792 Ether
0x7f9fbf7d823f634d9e619dfa857035611cb8a20ca712c374131942acaa63721889059732019-11-10 2:45:511180 days 18 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.299845 Ether
0xc6f96552515ff6272ae756561e2086247e60a56681f56a920ce08354691a85b987054562019-10-09 4:03:531212 days 16 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.30806861 Ether
0x3d906bd5eeea40bd786f0f9f286f926d16e2de813d4e8da6f3eb4fa410b0ee7d84236452019-08-26 4:12:241256 days 16 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.129792 Ether
0x114f3f9abbcf1f1c18f86e7c2c5c95c9179e6262c53e5dd6840f437bd2dcb50279988862019-06-21 2:53:201322 days 17 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.17331094 Ether
0x9789cc8e6e5c690ea7a9e410fb892a2de14e9e2fe092cd945902bf954bd483d579686532019-06-16 9:19:461327 days 11 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.16131187 Ether
0x7e206eef4120b2c57d0f7f38b1c15ab614a49193916411c874c346fa9b669eb672341902019-02-18 1:48:101445 days 18 hrs ago 0x5e4ec2dc5e305cacf6549cd04700b2398a5ae0c1 0x131a99859a8bfa3251d899f0675607766736ffae0.30279215 Ether
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xe236aebe408c6363deadff4db15938708fe07d3f

Contract Name:
Forwarder

Compiler Version
v0.4.16-nightly.2017.8.11+commit.c84de7fa

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2017-11-21
*/

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 Security Audit

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"}]

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

Swarm Source

bzzr://d0f8838ba17108a895d34ae8ef3bff4e0dc9d639c3c51921fee1d17eaa803721
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.