ETH Price: $3,563.68 (+1.44%)
Gas: 26 Gwei

Contract

0xbBB5E7446e7F8EE0a13424B144BbC9bE4f68EF24
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Value
Execute94827062020-02-14 18:17:571504 days ago1581704277IN
0xbBB5E744...E4f68EF24
0 ETH0.000265165
Execute88173882019-10-26 20:17:061615 days ago1572121026IN
0xbBB5E744...E4f68EF24
3 ETH0.000176651
Execute88173562019-10-26 20:09:341615 days ago1572120574IN
0xbBB5E744...E4f68EF24
0 ETH0.000569511
Execute79713002019-06-16 19:04:141747 days ago1560711854IN
0xbBB5E744...E4f68EF24
0 ETH0.0018043310
Execute77928982019-05-19 21:15:331775 days ago1558300533IN
0xbBB5E744...E4f68EF24
0 ETH0.000209821
Execute77928782019-05-19 21:11:431775 days ago1558300303IN
0xbBB5E744...E4f68EF24
19 ETH0.000176651
Execute77928572019-05-19 21:07:251775 days ago1558300045IN
0xbBB5E744...E4f68EF24
1 ETH0.000274231

Latest 6 internal transactions

Advanced mode:
Parent Txn Hash Block From To Value
88173882019-10-26 20:17:061615 days ago1572121026
0xbBB5E744...E4f68EF24
3 ETH
88173562019-10-26 20:09:341615 days ago1572120574
0xbBB5E744...E4f68EF24
3.15287172 ETH
88173562019-10-26 20:09:341615 days ago1572120574
0xbBB5E744...E4f68EF24
3.15287172 ETH
77928782019-05-19 21:11:431775 days ago1558300303
0xbBB5E744...E4f68EF24
19 ETH
77928572019-05-19 21:07:251775 days ago1558300045
0xbBB5E744...E4f68EF24
1 ETH
77928042019-05-19 20:55:331775 days ago1558299333  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x5D4a9452...b2E9d13dB
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
UserWallet

Compiler Version
v0.5.2+commit.1df8f40c

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2019-04-07
*/

pragma solidity ^0.5.2;

/**
 * @title RegistryInterface Interface 
 */
interface RegistryInterface {
    function logic(address logicAddr) external view returns (bool);
    function record(address currentOwner, address nextOwner) external;
}


/**
 * @title Address Registry Record
 */
contract AddressRecord {

    /**
     * @dev address registry of system, logic and wallet addresses
     */
    address public registry;

    /**
     * @dev Throws if the logic is not authorised
     */
    modifier logicAuth(address logicAddr) {
        require(logicAddr != address(0), "logic-proxy-address-required");
        require(RegistryInterface(registry).logic(logicAddr), "logic-not-authorised");
        _;
    }

}


/**
 * @title User Auth
 */
contract UserAuth is AddressRecord {

    event LogSetOwner(address indexed owner);
    address public owner;

    /**
     * @dev Throws if not called by owner or contract itself
     */
    modifier auth {
        require(isAuth(msg.sender), "permission-denied");
        _;
    }

    /**
     * @dev sets new owner
     */
    function setOwner(address nextOwner) public auth {
        RegistryInterface(registry).record(owner, nextOwner);
        owner = nextOwner;
        emit LogSetOwner(nextOwner);
    }

    /**
     * @dev checks if called by owner or contract itself
     * @param src is the address initiating the call
     */
    function isAuth(address src) public view returns (bool) {
        if (src == owner) {
            return true;
        } else if (src == address(this)) {
            return true;
        }
        return false;
    }
}


/**
 * @dev logging the execute events
 */
contract UserNote {
    event LogNote(
        bytes4 indexed sig,
        address indexed guy,
        bytes32 indexed foo,
        bytes32 bar,
        uint wad,
        bytes fax
    );

    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
        );
        _;
    }
}


/**
 * @title User Owned Contract Wallet
 */
contract UserWallet is UserAuth, UserNote {

    event LogExecute(address target, uint srcNum, uint sessionNum);

    /**
     * @dev sets the "address registry", owner's last activity, owner's active period and initial owner
     */
    constructor() public {
        registry = msg.sender;
        owner = msg.sender;
    }

    function() external payable {}

    /**
     * @dev Execute authorised calls via delegate call
     * @param _target logic proxy address
     * @param _data delegate call data
     * @param _src to find the source
     * @param _session to find the session
     */
    function execute(
        address _target,
        bytes memory _data,
        uint _src,
        uint _session
    ) 
        public
        payable
        note
        auth
        logicAuth(_target)
        returns (bytes memory response)
    {
        emit LogExecute(
            _target,
            _src,
            _session
        );
        
        // call contract in current context
        assembly {
            let succeeded := delegatecall(sub(gas, 5000), _target, add(_data, 0x20), mload(_data), 0, 0)
            let size := returndatasize

            response := mload(0x40)
            mstore(0x40, add(response, and(add(add(size, 0x20), 0x1f), not(0x1f))))
            mstore(response, size)
            returndatacopy(add(response, 0x20), 0, size)

            switch iszero(succeeded)
                case 1 {
                    // throw if delegatecall failed
                    revert(add(response, 0x20), size)
                }
        }
    }

}

Contract Security Audit

Contract ABI

[{"constant":false,"inputs":[{"name":"nextOwner","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"src","type":"address"}],"name":"isAuth","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"registry","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_target","type":"address"},{"name":"_data","type":"bytes"},{"name":"_src","type":"uint256"},{"name":"_session","type":"uint256"}],"name":"execute","outputs":[{"name":"response","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"target","type":"address"},{"indexed":false,"name":"srcNum","type":"uint256"},{"indexed":false,"name":"sessionNum","type":"uint256"}],"name":"LogExecute","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":false,"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":"owner","type":"address"}],"name":"LogSetOwner","type":"event"}]

Deployed Bytecode

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Swarm Source

bzzr://a70df5c3d70f52cf6a410ed7bf147d9052fbab8b4e98568082f924a8dd7f63c9

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