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Method
Block
From
To
Transfer155391762022-09-15 12:44:23780 days ago1663245863IN
0xA9a3ADF0...7492C735a
0.08791944 ETH0.000351198.91247839
Transfer154927612022-09-07 21:59:23788 days ago1662587963IN
0xA9a3ADF0...7492C735a
0.09931147 ETH0.000746718.94961018
Transfer154390662022-08-30 7:26:16797 days ago1661844376IN
0xA9a3ADF0...7492C735a
0.09962448 ETH0.0004363811.07425522
Transfer153776242022-08-20 12:29:24806 days ago1660998564IN
0xA9a3ADF0...7492C735a
0.09969182 ETH0.000315828.01483267
Transfer153251222022-08-12 5:16:59815 days ago1660281419IN
0xA9a3ADF0...7492C735a
0.09977937 ETH0.000362749.20552174
Transfer152745022022-08-04 7:17:03823 days ago1659597423IN
0xA9a3ADF0...7492C735a
0.09917644 ETH0.0009133823.17945201
Transfer152171212022-07-26 8:39:39831 days ago1658824779IN
0xA9a3ADF0...7492C735a
0.09963887 ETH0.00036089.156271
Transfer151633862022-07-18 0:31:31840 days ago1658104291IN
0xA9a3ADF0...7492C735a
0.09949432 ETH0.0005638814.31002873
Transfer151179602022-07-10 23:55:43847 days ago1657497343IN
0xA9a3ADF0...7492C735a
0.09968478 ETH0.000361829.18223623
Transfer150611132022-07-02 5:11:46856 days ago1656738706IN
0xA9a3ADF0...7492C735a
0.09964459 ETH0.0004159710.55628836
Transfer150127262022-06-23 11:29:23864 days ago1655983763IN
0xA9a3ADF0...7492C735a
0.09919271 ETH0.0012078930.65322343
Transfer149578832022-06-13 20:15:42874 days ago1655151342IN
0xA9a3ADF0...7492C735a
0.0983789 ETH0.0016644342.23922837
Transfer149073552022-06-05 5:37:40883 days ago1654407460IN
0xA9a3ADF0...7492C735a
0.09916853 ETH0.0009214323.38363634
Transfer148530722022-05-27 8:21:59891 days ago1653639719IN
0xA9a3ADF0...7492C735a
0.09846464 ETH0.0015364438.99116588
Transfer147974082022-05-18 7:01:00901 days ago1652857260IN
0xA9a3ADF0...7492C735a
0.09920255 ETH0.0010897527.65521486
Transfer147482752022-05-10 11:24:59908 days ago1652181899IN
0xA9a3ADF0...7492C735a
0.09877476 ETH0.0014017535.57296361
Transfer146915192022-05-01 10:46:46917 days ago1651402006IN
0xA9a3ADF0...7492C735a
0.09834735 ETH0.0016591742.10558402
Transfer146352392022-04-22 14:34:42926 days ago1650638082IN
0xA9a3ADF0...7492C735a
0.09936969 ETH0.0007699819.54033964
Transfer145801162022-04-13 23:35:16935 days ago1649892916IN
0xA9a3ADF0...7492C735a
0.0983819 ETH0.0016340541.46821539
Transfer145248812022-04-05 8:39:58943 days ago1649147998IN
0xA9a3ADF0...7492C735a
0.09836505 ETH0.0020605752.29230919
Transfer144748342022-03-28 13:07:00951 days ago1648472820IN
0xA9a3ADF0...7492C735a
0.09854496 ETH0.0019588849.71162726
Transfer144217642022-03-20 7:04:23960 days ago1647759863IN
0xA9a3ADF0...7492C735a
0.09943137 ETH0.0006388216.21168929
Transfer143692152022-03-12 2:20:16968 days ago1647051616IN
0xA9a3ADF0...7492C735a
0.09899125 ETH0.0011275728.6150309
Transfer143169422022-03-03 23:16:42976 days ago1646349402IN
0xA9a3ADF0...7492C735a
0.09872516 ETH0.0013989835.50273104
Transfer142658462022-02-24 1:24:34984 days ago1645665874IN
0xA9a3ADF0...7492C735a
0.09856017 ETH0.0016368141.53835862
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block From To
155391762022-09-15 12:44:23780 days ago1663245863
0xA9a3ADF0...7492C735a
0.08791944 ETH
154927612022-09-07 21:59:23788 days ago1662587963
0xA9a3ADF0...7492C735a
0.09931147 ETH
154390662022-08-30 7:26:16797 days ago1661844376
0xA9a3ADF0...7492C735a
0.09962448 ETH
153776242022-08-20 12:29:24806 days ago1660998564
0xA9a3ADF0...7492C735a
0.09969182 ETH
153251222022-08-12 5:16:59815 days ago1660281419
0xA9a3ADF0...7492C735a
0.09977937 ETH
152745022022-08-04 7:17:03823 days ago1659597423
0xA9a3ADF0...7492C735a
0.09917644 ETH
152171212022-07-26 8:39:39831 days ago1658824779
0xA9a3ADF0...7492C735a
0.09963887 ETH
151633862022-07-18 0:31:31840 days ago1658104291
0xA9a3ADF0...7492C735a
0.09949432 ETH
151179602022-07-10 23:55:43847 days ago1657497343
0xA9a3ADF0...7492C735a
0.09968478 ETH
150611132022-07-02 5:11:46856 days ago1656738706
0xA9a3ADF0...7492C735a
0.09964459 ETH
150127262022-06-23 11:29:23864 days ago1655983763
0xA9a3ADF0...7492C735a
0.09919271 ETH
149578832022-06-13 20:15:42874 days ago1655151342
0xA9a3ADF0...7492C735a
0.0983789 ETH
149073552022-06-05 5:37:40883 days ago1654407460
0xA9a3ADF0...7492C735a
0.09916853 ETH
148530722022-05-27 8:21:59891 days ago1653639719
0xA9a3ADF0...7492C735a
0.09846464 ETH
147974082022-05-18 7:01:00901 days ago1652857260
0xA9a3ADF0...7492C735a
0.09920255 ETH
147482752022-05-10 11:24:59908 days ago1652181899
0xA9a3ADF0...7492C735a
0.09877476 ETH
146915192022-05-01 10:46:46917 days ago1651402006
0xA9a3ADF0...7492C735a
0.09834735 ETH
146352392022-04-22 14:34:42926 days ago1650638082
0xA9a3ADF0...7492C735a
0.09936969 ETH
145801162022-04-13 23:35:16935 days ago1649892916
0xA9a3ADF0...7492C735a
0.0983819 ETH
145248812022-04-05 8:39:58943 days ago1649147998
0xA9a3ADF0...7492C735a
0.09836505 ETH
144748342022-03-28 13:07:00951 days ago1648472820
0xA9a3ADF0...7492C735a
0.09854496 ETH
144217642022-03-20 7:04:23960 days ago1647759863
0xA9a3ADF0...7492C735a
0.09943137 ETH
143692152022-03-12 2:20:16968 days ago1647051616
0xA9a3ADF0...7492C735a
0.09899125 ETH
143169422022-03-03 23:16:42976 days ago1646349402
0xA9a3ADF0...7492C735a
0.09872516 ETH
142658462022-02-24 1:24:34984 days ago1645665874
0xA9a3ADF0...7492C735a
0.09856017 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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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.