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Transaction Hash
Method
Block
From
To
Transfer146403582022-04-23 9:51:13986 days ago1650707473IN
0xf7Ff8Ac9...4D2456552
0.09912434 ETH0.000825120.93907981
Transfer146185392022-04-19 23:34:08990 days ago1650411248IN
0xf7Ff8Ac9...4D2456552
0.09833565 ETH0.0013920235.32604936
Transfer145968192022-04-16 14:14:05993 days ago1650118445IN
0xf7Ff8Ac9...4D2456552
0.09903019 ETH0.0011546129.30124217
Transfer145744242022-04-13 2:08:23997 days ago1649815703IN
0xf7Ff8Ac9...4D2456552
0.09857389 ETH0.0018722247.51229533
Transfer145521972022-04-09 15:03:081000 days ago1649516588IN
0xf7Ff8Ac9...4D2456552
0.09837526 ETH0.0016755142.52043376
Transfer145294902022-04-06 1:44:331004 days ago1649209473IN
0xf7Ff8Ac9...4D2456552
0.09717976 ETH0.0027766470.46430276
Transfer145080842022-04-02 17:37:111007 days ago1648921031IN
0xf7Ff8Ac9...4D2456552
0.09778843 ETH0.002583365.55782249
Transfer144865822022-03-30 8:42:511010 days ago1648629771IN
0xf7Ff8Ac9...4D2456552
0.09933519 ETH0.0008707922.09858847
Transfer144650552022-03-27 0:34:531014 days ago1648341293IN
0xf7Ff8Ac9...4D2456552
0.0965404 ETH0.0035823690.91155327
Transfer144440702022-03-23 18:09:481017 days ago1648058988IN
0xf7Ff8Ac9...4D2456552
0.09850822 ETH0.0015966640.51942068
Transfer144206972022-03-20 2:53:441021 days ago1647744824IN
0xf7Ff8Ac9...4D2456552
0.09918101 ETH0.0008588521.79559744
Transfer143991152022-03-16 18:01:281024 days ago1647453688IN
0xf7Ff8Ac9...4D2456552
0.09831992 ETH0.0021096753.53833964
Transfer143776442022-03-13 9:59:521027 days ago1647165592IN
0xf7Ff8Ac9...4D2456552
0.09919679 ETH0.0008688722.04995933
Transfer143544572022-03-09 19:25:191031 days ago1646853919IN
0xf7Ff8Ac9...4D2456552
0.09864783 ETH0.001697343.07332092
Transfer143326462022-03-06 9:56:361034 days ago1646560596IN
0xf7Ff8Ac9...4D2456552
0.09935513 ETH0.0008334821.15181296
Transfer143097872022-03-02 20:34:171038 days ago1646253257IN
0xf7Ff8Ac9...4D2456552
0.09660114 ETH0.0030234176.72679903
Transfer142826772022-02-26 16:05:151042 days ago1645891515IN
0xf7Ff8Ac9...4D2456552
0.09816507 ETH0.0021485254.52428893
Transfer142613182022-02-23 8:41:331045 days ago1645605693IN
0xf7Ff8Ac9...4D2456552
0.0983178 ETH0.0020239451.36259596
Transfer142384032022-02-19 19:42:401049 days ago1645299760IN
0xf7Ff8Ac9...4D2456552
0.09719659 ETH0.0028308571.839904
Transfer142157352022-02-16 7:04:541052 days ago1644995094IN
0xf7Ff8Ac9...4D2456552
0.0973521 ETH0.0024556562.31839734
Transfer141929992022-02-12 18:45:111056 days ago1644691511IN
0xf7Ff8Ac9...4D2456552
0.09818263 ETH0.002260957.37600349
Transfer141704942022-02-09 7:22:131059 days ago1644391333IN
0xf7Ff8Ac9...4D2456552
0.09771216 ETH0.0019395449.22087311
Transfer141473472022-02-05 17:29:521063 days ago1644082192IN
0xf7Ff8Ac9...4D2456552
0.09722093 ETH0.0031843380.81031884
Transfer141260382022-02-02 10:15:301066 days ago1643796930IN
0xf7Ff8Ac9...4D2456552
0.09706593 ETH0.0030223476.69953874
Transfer141029222022-01-29 20:50:171070 days ago1643489417IN
0xf7Ff8Ac9...4D2456552
0.09532938 ETH0.00473279120.1065552
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block
From
To
146403582022-04-23 9:51:13986 days ago1650707473
0xf7Ff8Ac9...4D2456552
0.09912434 ETH
146185392022-04-19 23:34:08990 days ago1650411248
0xf7Ff8Ac9...4D2456552
0.09833565 ETH
145968192022-04-16 14:14:05993 days ago1650118445
0xf7Ff8Ac9...4D2456552
0.09903019 ETH
145744242022-04-13 2:08:23997 days ago1649815703
0xf7Ff8Ac9...4D2456552
0.09857389 ETH
145521972022-04-09 15:03:081000 days ago1649516588
0xf7Ff8Ac9...4D2456552
0.09837526 ETH
145294902022-04-06 1:44:331004 days ago1649209473
0xf7Ff8Ac9...4D2456552
0.09717976 ETH
145080842022-04-02 17:37:111007 days ago1648921031
0xf7Ff8Ac9...4D2456552
0.09778843 ETH
144865822022-03-30 8:42:511010 days ago1648629771
0xf7Ff8Ac9...4D2456552
0.09933519 ETH
144650552022-03-27 0:34:531014 days ago1648341293
0xf7Ff8Ac9...4D2456552
0.0965404 ETH
144440702022-03-23 18:09:481017 days ago1648058988
0xf7Ff8Ac9...4D2456552
0.09850822 ETH
144206972022-03-20 2:53:441021 days ago1647744824
0xf7Ff8Ac9...4D2456552
0.09918101 ETH
143991152022-03-16 18:01:281024 days ago1647453688
0xf7Ff8Ac9...4D2456552
0.09831992 ETH
143776442022-03-13 9:59:521027 days ago1647165592
0xf7Ff8Ac9...4D2456552
0.09919679 ETH
143544572022-03-09 19:25:191031 days ago1646853919
0xf7Ff8Ac9...4D2456552
0.09864783 ETH
143326462022-03-06 9:56:361034 days ago1646560596
0xf7Ff8Ac9...4D2456552
0.09935513 ETH
143097872022-03-02 20:34:171038 days ago1646253257
0xf7Ff8Ac9...4D2456552
0.09660114 ETH
142826772022-02-26 16:05:151042 days ago1645891515
0xf7Ff8Ac9...4D2456552
0.09816507 ETH
142613182022-02-23 8:41:331045 days ago1645605693
0xf7Ff8Ac9...4D2456552
0.0983178 ETH
142384032022-02-19 19:42:401049 days ago1645299760
0xf7Ff8Ac9...4D2456552
0.09719659 ETH
142157352022-02-16 7:04:541052 days ago1644995094
0xf7Ff8Ac9...4D2456552
0.0973521 ETH
141929992022-02-12 18:45:111056 days ago1644691511
0xf7Ff8Ac9...4D2456552
0.09818263 ETH
141704942022-02-09 7:22:131059 days ago1644391333
0xf7Ff8Ac9...4D2456552
0.09771216 ETH
141473472022-02-05 17:29:521063 days ago1644082192
0xf7Ff8Ac9...4D2456552
0.09722093 ETH
141260382022-02-02 10:15:301066 days ago1643796930
0xf7Ff8Ac9...4D2456552
0.09706593 ETH
141029222022-01-29 20:50:171070 days ago1643489417
0xf7Ff8Ac9...4D2456552
0.09532938 ETH
View All Internal Transactions
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xe236AeBE...08FE07D3f
The constructor portion of the code might be different and could alter the actual behaviour of the contract

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"}]

Deployed Bytecode

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

Swarm Source

bzzr://d0f8838ba17108a895d34ae8ef3bff4e0dc9d639c3c51921fee1d17eaa803721

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