ETH Price: $3,557.86 (-1.39%)
Gas: 29 Gwei

Contract

0x95a8BD681Ab985b446A6F55D06a90BF092837e32
 

Overview

ETH Balance

0.004725 ETH

Eth Value

$16.81 (@ $3,557.86/ETH)

Token Holdings

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Value
Execute164567702023-01-21 17:48:23432 days ago1674323303IN
DSProxy #143,208
0 ETH0.0046538518.80701229
Execute96572802020-03-12 14:39:191477 days ago1584023959IN
DSProxy #143,208
0 ETH0.0122016150
Execute96558252020-03-12 9:05:541478 days ago1584003954IN
DSProxy #143,208
0 ETH0.0063648138
Execute96549462020-03-12 5:41:451478 days ago1583991705IN
DSProxy #143,208
0 ETH0.0027374215
Execute96541072020-03-12 2:36:511478 days ago1583980611IN
DSProxy #143,208
0 ETH0.0018249510
Execute96339722020-03-09 0:11:551481 days ago1583712715IN
DSProxy #143,208
0 ETH0.0024621714.7
Execute96338352020-03-08 23:38:141481 days ago1583710694IN
DSProxy #143,208
0 ETH0.001340158
Execute96338322020-03-08 23:37:231481 days ago1583710643IN
DSProxy #143,208
0 ETH0.001367328
Execute96338292020-03-08 23:36:131481 days ago1583710573IN
DSProxy #143,208
0 ETH0.001340158
Execute96049712020-03-04 13:30:101486 days ago1583328610IN
DSProxy #143,208
0 ETH0.004801239
Execute96049662020-03-04 13:29:311486 days ago1583328571IN
DSProxy #143,208
0 ETH0.004515039
Execute96045572020-03-04 11:59:171486 days ago1583323157IN
DSProxy #143,208
0 ETH0.0009977410
Execute95774762020-02-29 8:12:431490 days ago1582963963IN
DSProxy #143,208
0 ETH0.003822037.5
Execute95716162020-02-28 10:38:371491 days ago1582886317IN
DSProxy #143,208
0 ETH0.002073789
Execute95599482020-02-26 15:23:461492 days ago1582730626IN
DSProxy #143,208
0 ETH0.001459968
Execute95567562020-02-26 3:44:211493 days ago1582688661IN
DSProxy #143,208
0 ETH0.0018431910.1
Execute95567292020-02-26 3:38:061493 days ago1582688286IN
DSProxy #143,208
0 ETH0.0058125911.5
Execute95567242020-02-26 3:37:151493 days ago1582688235IN
DSProxy #143,208
0 ETH0.0048633811.739
Execute95562542020-02-26 1:55:161493 days ago1582682116IN
DSProxy #143,208
0 ETH0.001005116
Execute95210942020-02-20 16:07:381498 days ago1582214858IN
DSProxy #143,208
0 ETH0.0019485510
Execute95168562020-02-20 0:15:581499 days ago1582157758IN
DSProxy #143,208
0 ETH0.001460058
Execute95168232020-02-20 0:09:501499 days ago1582157390IN
DSProxy #143,208
0 ETH0.0020984310
Execute95167962020-02-20 0:04:391499 days ago1582157079IN
DSProxy #143,208
0.1 ETH0.001090958
Execute95149822020-02-19 17:22:171499 days ago1582132937IN
DSProxy #143,208
0 ETH0.00177029.61400001
Execute95145302020-02-19 15:45:291499 days ago1582127129IN
DSProxy #143,208
0 ETH0.001852038
View all transactions

Latest 16 internal transactions

Advanced mode:
Parent Txn Hash Block From To Value
164567702023-01-21 17:48:23432 days ago1674323303
DSProxy #143,208
0.06505472 ETH
164567702023-01-21 17:48:23432 days ago1674323303
DSProxy #143,208
0.06505472 ETH
95716162020-02-28 10:38:371491 days ago1582886317
DSProxy #143,208
0.05 ETH
95716162020-02-28 10:38:371491 days ago1582886317
DSProxy #143,208
0.05 ETH
95167962020-02-20 0:04:391499 days ago1582157079
DSProxy #143,208
0.1 ETH
95144982020-02-19 15:38:071499 days ago1582126687
DSProxy #143,208
1 ETH
94737882020-02-13 9:09:111506 days ago1581584951
DSProxy #143,208
0.004725 ETH
94737882020-02-13 9:09:111506 days ago1581584951
DSProxy #143,208
0.004725 ETH
94657992020-02-12 3:32:091507 days ago1581478329
DSProxy #143,208
0.10018119 ETH
94657992020-02-12 3:32:091507 days ago1581478329
DSProxy #143,208
0.10018119 ETH
94608042020-02-11 9:15:011508 days ago1581412501
DSProxy #143,208
0.004125 ETH
94608042020-02-11 9:15:011508 days ago1581412501
DSProxy #143,208
0.004125 ETH
94346002020-02-07 8:47:421512 days ago1581065262
DSProxy #143,208
0.001125 ETH
94346002020-02-07 8:47:421512 days ago1581065262
DSProxy #143,208
0.001125 ETH
91164722019-12-16 16:54:321564 days ago1576515272
DSProxy #143,208
0.45 ETH
89825262019-11-22 20:55:051588 days ago1574456105  Contract Creation0 ETH
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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

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OVERVIEW

The proxy contract address for 0x70d8e4ab175dfe0eab4e9a7f33e0a2d19f44001e.

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