ETH Price: $2,107.55 (-3.80%)

Contract

0xa8C855cD5138cEBBCCAA33D8d87F10ffbeD8b521
 

Overview

ETH Balance

0.000000000404685163 ETH

Eth Value

Less Than $0.01 (@ $2,107.55/ETH)

More Info

Private Name Tags

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Sweep89634182019-11-19 16:34:352311 days ago1574181275IN
0xa8C855cD...fbeD8b521
0 ETH0.0010998422
Transfer89633972019-11-19 16:30:222311 days ago1574181022IN
0xa8C855cD...fbeD8b521
0.02994048 ETH0.000063153
Transfer81689732019-07-17 15:10:072436 days ago1563376207IN
0xa8C855cD...fbeD8b521
0.0198984 ETH0.000105255
Transfer73535062019-03-12 9:32:342564 days ago1552383154IN
0xa8C855cD...fbeD8b521
0.01989909 ETH0.000105255
Sweep57366772018-06-05 13:28:042844 days ago1528205284IN
0xa8C855cD...fbeD8b521
0 ETH0.0025028550
Transfer57366612018-06-05 13:23:532844 days ago1528205033IN
0xa8C855cD...fbeD8b521
0.25 ETH0.000189459
Transfer52418932018-03-12 11:54:562929 days ago1520855696IN
0xa8C855cD...fbeD8b521
0.0382076 ETH0.00004212
Sweep51187772018-02-19 13:17:312950 days ago1519046251IN
0xa8C855cD...fbeD8b521
0 ETH0.0024996550
Transfer51187062018-02-19 13:02:302950 days ago1519045350IN
0xa8C855cD...fbeD8b521
0.3 ETH0.00004212
Sweep50466372018-02-07 10:54:192962 days ago1518000859IN
0xa8C855cD...fbeD8b521
0 ETH0.0044993790
Transfer50466092018-02-07 10:45:552962 days ago1518000355IN
0xa8C855cD...fbeD8b521
0.25 ETH0.000021051
Sweep48935172018-01-12 1:06:302988 days ago1515719190IN
0xa8C855cD...fbeD8b521
0 ETH0.0045051390
Transfer48934872018-01-12 0:58:342988 days ago1515718714IN
0xa8C855cD...fbeD8b521
0.25 ETH0.0002315611
Transfer47836592017-12-23 17:10:523007 days ago1514049052IN
0xa8C855cD...fbeD8b521
0.01909158 ETH0.000021051
Transfer47437852017-12-16 17:07:113014 days ago1513444031IN
0xa8C855cD...fbeD8b521
0.01011138 ETH0.000021051
Sweep47383532017-12-15 18:34:153015 days ago1513362855IN
0xa8C855cD...fbeD8b521
0 ETH0.0025496451
Transfer47382882017-12-15 18:18:373015 days ago1513361917IN
0xa8C855cD...fbeD8b521
0.2 ETH0.000063153
Sweep46567912017-12-01 15:06:293029 days ago1512140789IN
0xa8C855cD...fbeD8b521
0 ETH0.0009998620
Transfer46567732017-12-01 15:02:313029 days ago1512140551IN
0xa8C855cD...fbeD8b521
0.3 ETH0.000021051

Latest 8 internal transactions

Advanced mode:
Parent Transaction Hash Method Block
From
To
-89634182019-11-19 16:34:352311 days ago1574181275
0xa8C855cD...fbeD8b521
0.06973799 ETH
Transfer57366772018-06-05 13:28:042844 days ago1528205284
0xa8C855cD...fbeD8b521
0.28820761 ETH
Transfer51187772018-02-19 13:17:312950 days ago1519046251
0xa8C855cD...fbeD8b521
0.3 ETH
Transfer50466372018-02-07 10:54:192962 days ago1518000859
0xa8C855cD...fbeD8b521
0.25 ETH
Transfer48935172018-01-12 1:06:302988 days ago1515719190
0xa8C855cD...fbeD8b521
0.27920296 ETH
Transfer47383532017-12-15 18:34:153015 days ago1513362855
0xa8C855cD...fbeD8b521
0.2 ETH
Transfer46567912017-12-01 15:06:293029 days ago1512140789
0xa8C855cD...fbeD8b521
0.3 ETH
Transfer46037762017-11-23 0:17:203038 days ago1511396240  Contract Creation0 ETH
Loading...
Loading
Loading...
Loading
Cross-Chain Transactions

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xd1DD82d1...18D918504
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
UserWallet

Compiler Version
v0.4.11+commit.68ef5810

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-08-15
*/

pragma solidity ^0.4.10;

// Copyright 2017 Bittrex

contract AbstractSweeper {
    function sweep(address token, uint amount) returns (bool);

    function () { throw; }

    Controller controller;

    function AbstractSweeper(address _controller) {
        controller = Controller(_controller);
    }

    modifier canSweep() {
        if (msg.sender != controller.authorizedCaller() && msg.sender != controller.owner()) throw;
        if (controller.halted()) throw;
        _;
    }
}

contract Token {
    function balanceOf(address a) returns (uint) {
        (a);
        return 0;
    }

    function transfer(address a, uint val) returns (bool) {
        (a);
        (val);
        return false;
    }
}

contract DefaultSweeper is AbstractSweeper {
    function DefaultSweeper(address controller)
             AbstractSweeper(controller) {}

    function sweep(address _token, uint _amount)
    canSweep
    returns (bool) {
        bool success = false;
        address destination = controller.destination();

        if (_token != address(0)) {
            Token token = Token(_token);
            uint amount = _amount;
            if (amount > token.balanceOf(this)) {
                return false;
            }

            success = token.transfer(destination, amount);
        }
        else {
            uint amountInWei = _amount;
            if (amountInWei > this.balance) {
                return false;
            }

            success = destination.send(amountInWei);
        }

        if (success) {
            controller.logSweep(this, destination, _token, _amount);
        }
        return success;
    }
}

contract UserWallet {
    AbstractSweeperList sweeperList;
    function UserWallet(address _sweeperlist) {
        sweeperList = AbstractSweeperList(_sweeperlist);
    }

    function () public payable { }

    function tokenFallback(address _from, uint _value, bytes _data) {
        (_from);
        (_value);
        (_data);
     }

    function sweep(address _token, uint _amount)
    returns (bool) {
        (_amount);
        return sweeperList.sweeperOf(_token).delegatecall(msg.data);
    }
}

contract AbstractSweeperList {
    function sweeperOf(address _token) returns (address);
}

contract Controller is AbstractSweeperList {
    address public owner;
    address public authorizedCaller;

    address public destination;

    bool public halted;

    event LogNewWallet(address receiver);
    event LogSweep(address indexed from, address indexed to, address indexed token, uint amount);
    
    modifier onlyOwner() {
        if (msg.sender != owner) throw; 
        _;
    }

    modifier onlyAuthorizedCaller() {
        if (msg.sender != authorizedCaller) throw; 
        _;
    }

    modifier onlyAdmins() {
        if (msg.sender != authorizedCaller && msg.sender != owner) throw; 
        _;
    }

    function Controller() 
    {
        owner = msg.sender;
        destination = msg.sender;
        authorizedCaller = msg.sender;
    }

    function changeAuthorizedCaller(address _newCaller) onlyOwner {
        authorizedCaller = _newCaller;
    }

    function changeDestination(address _dest) onlyOwner {
        destination = _dest;
    }

    function changeOwner(address _owner) onlyOwner {
        owner = _owner;
    }

    function makeWallet() onlyAdmins returns (address wallet)  {
        wallet = address(new UserWallet(this));
        LogNewWallet(wallet);
    }

    function halt() onlyAdmins {
        halted = true;
    }

    function start() onlyOwner {
        halted = false;
    }

    address public defaultSweeper = address(new DefaultSweeper(this));
    mapping (address => address) sweepers;

    function addSweeper(address _token, address _sweeper) onlyOwner {
        sweepers[_token] = _sweeper;
    }

    function sweeperOf(address _token) returns (address) {
        address sweeper = sweepers[_token];
        if (sweeper == 0) sweeper = defaultSweeper;
        return sweeper;
    }

    function logSweep(address from, address to, address token, uint amount) {
        LogSweep(from, to, token, amount);
    }
}

Contract Security Audit

Contract ABI

API
[{"constant":false,"inputs":[{"name":"_token","type":"address"},{"name":"_amount","type":"uint256"}],"name":"sweep","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"tokenFallback","outputs":[],"payable":false,"type":"function"},{"inputs":[{"name":"_sweeperlist","type":"address"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"}]

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

Deployed Bytecode

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

Swarm Source

bzzr://4cdd69fdcf3cf6cbee9677fe380fa5f044048aa9e060ec5619a21ca5a5bd4cd1

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

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.