ETH Price: $3,208.09 (-3.55%)
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Execute123313812021-04-28 21:33:091365 days ago1619645589IN
DSProxy #5,154
0 ETH0.0550803470
Execute119441862021-02-28 6:16:031425 days ago1614492963IN
DSProxy #5,154
0 ETH0.01024678147
Execute119107732021-02-23 3:05:111430 days ago1614049511IN
DSProxy #5,154
0 ETH0.08096419378
Execute119085792021-02-22 18:55:331430 days ago1614020133IN
DSProxy #5,154
0.2 ETH0.04843843359
Execute119075012021-02-22 14:57:071430 days ago1614005827IN
DSProxy #5,154
0.2 ETH0.11050439819
Execute118973182021-02-21 1:16:121432 days ago1613870172IN
DSProxy #5,154
0.98 ETH0.01673082124
Execute118971852021-02-21 0:43:081432 days ago1613868188IN
DSProxy #5,154
0 ETH0.04020175171
Execute118761582021-02-17 19:05:531435 days ago1613588753IN
DSProxy #5,154
0 ETH0.04939683210
Execute118748202021-02-17 14:12:241435 days ago1613571144IN
DSProxy #5,154
0 ETH0.00948001136
Execute118748062021-02-17 14:10:181435 days ago1613571018IN
DSProxy #5,154
0 ETH0.02415101155
Execute118588522021-02-15 3:24:401438 days ago1613359480IN
DSProxy #5,154
0 ETH0.07882228368
Execute118551112021-02-14 13:33:421438 days ago1613309622IN
DSProxy #5,154
1 ETH0.01781023132
Execute118551032021-02-14 13:31:301438 days ago1613309490IN
DSProxy #5,154
0 ETH0.02591761111
Execute118379012021-02-11 22:07:581441 days ago1613081278IN
DSProxy #5,154
0.8 ETH0.02280249169
Execute118378862021-02-11 22:05:041441 days ago1613081104IN
DSProxy #5,154
0 ETH0.04393954188
Execute118271862021-02-10 6:38:551443 days ago1612939135IN
DSProxy #5,154
1 ETH0.02631057195
Execute118271662021-02-10 6:34:061443 days ago1612938846IN
DSProxy #5,154
0 ETH0.0411523175
Execute118257292021-02-10 1:09:391443 days ago1612919379IN
DSProxy #5,154
1 ETH0.01794515133
Execute118256982021-02-10 1:04:401443 days ago1612919080IN
DSProxy #5,154
0 ETH0.0469986200
Execute118165602021-02-08 15:16:311444 days ago1612797391IN
DSProxy #5,154
1.2 ETH0.03562046264
Execute118165472021-02-08 15:12:581444 days ago1612797178IN
DSProxy #5,154
0 ETH0.0619476264
Execute118126802021-02-08 0:51:141445 days ago1612745474IN
DSProxy #5,154
0.6 ETH0.01443708107
Execute118125342021-02-08 0:19:581445 days ago1612743598IN
DSProxy #5,154
0 ETH0.02785385119
Execute118125222021-02-08 0:16:251445 days ago1612743385IN
DSProxy #5,154
1 ETH0.01389737103
Execute118124772021-02-08 0:07:241445 days ago1612742844IN
DSProxy #5,154
0 ETH0.03157704135
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block
From
To
119124692021-02-23 9:30:371430 days ago1614072637
DSProxy #5,154
0.139328 ETH
119124692021-02-23 9:30:371430 days ago1614072637
DSProxy #5,154
0.139328 ETH
119118452021-02-23 7:10:021430 days ago1614064202
DSProxy #5,154
0.1008 ETH
119118452021-02-23 7:10:021430 days ago1614064202
DSProxy #5,154
0.1008 ETH
119118182021-02-23 7:06:201430 days ago1614063980
DSProxy #5,154
0.103488 ETH
119118182021-02-23 7:06:201430 days ago1614063980
DSProxy #5,154
0.103488 ETH
119107922021-02-23 3:09:361430 days ago1614049776
DSProxy #5,154
0.08288 ETH
119107922021-02-23 3:09:361430 days ago1614049776
DSProxy #5,154
0.08288 ETH
119085792021-02-22 18:55:331430 days ago1614020133
DSProxy #5,154
0.2 ETH
119075012021-02-22 14:57:071430 days ago1614005827
DSProxy #5,154
0.2 ETH
118973182021-02-21 1:16:121432 days ago1613870172
DSProxy #5,154
0.98 ETH
118748062021-02-17 14:10:181435 days ago1613571018
DSProxy #5,154
1.2 ETH
118748062021-02-17 14:10:181435 days ago1613571018
DSProxy #5,154
1.2 ETH
118588752021-02-15 3:28:461438 days ago1613359726
DSProxy #5,154
0.093856 ETH
118588752021-02-15 3:28:461438 days ago1613359726
DSProxy #5,154
0.093856 ETH
118551112021-02-14 13:33:421438 days ago1613309622
DSProxy #5,154
1 ETH
118379012021-02-11 22:07:581441 days ago1613081278
DSProxy #5,154
0.8 ETH
118271862021-02-10 6:38:551443 days ago1612939135
DSProxy #5,154
1 ETH
118257292021-02-10 1:09:391443 days ago1612919379
DSProxy #5,154
1 ETH
118165602021-02-08 15:16:311444 days ago1612797391
DSProxy #5,154
1.2 ETH
118126802021-02-08 0:51:141445 days ago1612745474
DSProxy #5,154
0.6 ETH
118125222021-02-08 0:16:251445 days ago1612743385
DSProxy #5,154
1 ETH
118124592021-02-08 0:04:381445 days ago1612742678
DSProxy #5,154
1 ETH
118074032021-02-07 5:29:241446 days ago1612675764
DSProxy #5,154
0.743 ETH
117991802021-02-05 23:17:401447 days ago1612567060
DSProxy #5,154
2.2 ETH
View All Internal Transactions
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x2B9B8b83...8ff54a8AC
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
DSProxy

Compiler Version
v0.4.23+commit.124ca40d

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-09-06
*/

// proxy.sol - execute actions atomically through the proxy's identity

// Copyright (C) 2017  DappHub, LLC

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

pragma solidity ^0.4.23;

contract DSAuthority {
    function canCall(
        address src, address dst, bytes4 sig
    ) public view returns (bool);
}

contract DSAuthEvents {
    event LogSetAuthority (address indexed authority);
    event LogSetOwner     (address indexed owner);
}

contract DSAuth is DSAuthEvents {
    DSAuthority  public  authority;
    address      public  owner;

    constructor() public {
        owner = msg.sender;
        emit LogSetOwner(msg.sender);
    }

    function setOwner(address owner_)
        public
        auth
    {
        owner = owner_;
        emit LogSetOwner(owner);
    }

    function setAuthority(DSAuthority authority_)
        public
        auth
    {
        authority = authority_;
        emit LogSetAuthority(authority);
    }

    modifier auth {
        require(isAuthorized(msg.sender, msg.sig));
        _;
    }

    function isAuthorized(address src, bytes4 sig) internal view returns (bool) {
        if (src == address(this)) {
            return true;
        } else if (src == owner) {
            return true;
        } else if (authority == DSAuthority(0)) {
            return false;
        } else {
            return authority.canCall(src, this, sig);
        }
    }
}

contract DSNote {
    event LogNote(
        bytes4   indexed  sig,
        address  indexed  guy,
        bytes32  indexed  foo,
        bytes32  indexed  bar,
        uint              wad,
        bytes             fax
    ) anonymous;

    modifier note {
        bytes32 foo;
        bytes32 bar;

        assembly {
            foo := calldataload(4)
            bar := calldataload(36)
        }

        emit LogNote(msg.sig, msg.sender, foo, bar, msg.value, msg.data);

        _;
    }
}

// DSProxy
// Allows code execution using a persistant identity This can be very
// useful to execute a sequence of atomic actions. Since the owner of
// the proxy can be changed, this allows for dynamic ownership models
// i.e. a multisig
contract DSProxy is DSAuth, DSNote {
    DSProxyCache public cache;  // global cache for contracts

    constructor(address _cacheAddr) public {
        require(setCache(_cacheAddr));
    }

    function() public payable {
    }

    // use the proxy to execute calldata _data on contract _code
    function execute(bytes _code, bytes _data)
        public
        payable
        returns (address target, bytes32 response)
    {
        target = cache.read(_code);
        if (target == 0x0) {
            // deploy contract & store its address in cache
            target = cache.write(_code);
        }

        response = execute(target, _data);
    }

    function execute(address _target, bytes _data)
        public
        auth
        note
        payable
        returns (bytes32 response)
    {
        require(_target != 0x0);

        // call contract in current context
        assembly {
            let succeeded := delegatecall(sub(gas, 5000), _target, add(_data, 0x20), mload(_data), 0, 32)
            response := mload(0)      // load delegatecall output
            switch iszero(succeeded)
            case 1 {
                // throw if delegatecall failed
                revert(0, 0)
            }
        }
    }

    //set new cache
    function setCache(address _cacheAddr)
        public
        auth
        note
        returns (bool)
    {
        require(_cacheAddr != 0x0);        // invalid cache address
        cache = DSProxyCache(_cacheAddr);  // overwrite cache
        return true;
    }
}

// DSProxyFactory
// This factory deploys new proxy instances through build()
// Deployed proxy addresses are logged
contract DSProxyFactory {
    event Created(address indexed sender, address indexed owner, address proxy, address cache);
    mapping(address=>bool) public isProxy;
    DSProxyCache public cache = new DSProxyCache();

    // deploys a new proxy instance
    // sets owner of proxy to caller
    function build() public returns (DSProxy proxy) {
        proxy = build(msg.sender);
    }

    // deploys a new proxy instance
    // sets custom owner of proxy
    function build(address owner) public returns (DSProxy proxy) {
        proxy = new DSProxy(cache);
        emit Created(msg.sender, owner, address(proxy), address(cache));
        proxy.setOwner(owner);
        isProxy[proxy] = true;
    }
}

// DSProxyCache
// This global cache stores addresses of contracts previously deployed
// by a proxy. This saves gas from repeat deployment of the same
// contracts and eliminates blockchain bloat.

// By default, all proxies deployed from the same factory store
// contracts in the same cache. The cache a proxy instance uses can be
// changed.  The cache uses the sha3 hash of a contract's bytecode to
// lookup the address
contract DSProxyCache {
    mapping(bytes32 => address) cache;

    function read(bytes _code) public view returns (address) {
        bytes32 hash = keccak256(_code);
        return cache[hash];
    }

    function write(bytes _code) public returns (address target) {
        assembly {
            target := create(0, add(_code, 0x20), mload(_code))
            switch iszero(extcodesize(target))
            case 1 {
                // throw if contract failed to deploy
                revert(0, 0)
            }
        }
        bytes32 hash = keccak256(_code);
        cache[hash] = target;
    }
}

Contract Security Audit

Contract ABI

[{"constant":false,"inputs":[{"name":"owner_","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_target","type":"address"},{"name":"_data","type":"bytes"}],"name":"execute","outputs":[{"name":"response","type":"bytes32"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_code","type":"bytes"},{"name":"_data","type":"bytes"}],"name":"execute","outputs":[{"name":"target","type":"address"},{"name":"response","type":"bytes32"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"cache","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"authority_","type":"address"}],"name":"setAuthority","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_cacheAddr","type":"address"}],"name":"setCache","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"authority","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_cacheAddr","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":true,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":true,"name":"bar","type":"bytes32"},{"indexed":false,"name":"wad","type":"uint256"},{"indexed":false,"name":"fax","type":"bytes"}],"name":"LogNote","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"authority","type":"address"}],"name":"LogSetAuthority","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"}],"name":"LogSetOwner","type":"event"}]

Deployed Bytecode

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

Swarm Source

bzzr://e498874c9ba9e75028e0c84f1b1d83b2dad5de910c59b837b32e5a190794c5e1

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

OVERVIEW

The proxy contract address for 0x1f3a6490f6d69fb50f56b41594413ab251135a46.

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
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.