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0xcff5a79f5D2dFc8b10569C6bb105194cb87A10Be
 

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Transaction Hash
Method
Block
From
To
Execute43250282017-09-30 15:26:223099 days ago1506785182IN
0xcff5a79f...cb87A10Be
0 ETH0.0013673329.75635596
Confirm40071782017-07-11 10:26:073181 days ago1499768767IN
0xcff5a79f...cb87A10Be
0 ETH0.0008016921.38766352
Execute40069812017-07-11 9:28:113181 days ago1499765291IN
0xcff5a79f...cb87A10Be
0 ETH0.0038695421
Revoke39727542017-07-04 11:54:503188 days ago1499169290IN
0xcff5a79f...cb87A10Be
0 ETH0.0004298220
Confirm39727532017-07-04 11:54:133188 days ago1499169253IN
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0 ETH0.0007503220
Execute39727362017-07-04 11:49:153188 days ago1499168955IN
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0 ETH0.0034843420
Confirm39727312017-07-04 11:47:413188 days ago1499168861IN
0xcff5a79f...cb87A10Be
0 ETH0.001799220
Confirm39727312017-07-04 11:47:413188 days ago1499168861IN
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0 ETH0.001799220
Confirm39727302017-07-04 11:47:193188 days ago1499168839IN
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0 ETH0.001799220
Confirm39727282017-07-04 11:47:093188 days ago1499168829IN
0xcff5a79f...cb87A10Be
0 ETH0.001799220
Confirm39727282017-07-04 11:47:093188 days ago1499168829IN
0xcff5a79f...cb87A10Be
0 ETH0.001799220
Confirm39727282017-07-04 11:47:093188 days ago1499168829IN
0xcff5a79f...cb87A10Be
0 ETH0.0007496820
Execute39726752017-07-04 11:31:093188 days ago1499167869IN
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0 ETH0.003480520
Transfer39726322017-07-04 11:17:573188 days ago1499167077IN
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0.07621084 ETH0.0007888735.0827529
Execute39726272017-07-04 11:14:293188 days ago1499166869IN
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0 ETH0.0036814420
Transfer39723582017-07-04 10:00:133188 days ago1499162413IN
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7,826.818 ETH0.000472221
Transfer39689852017-07-03 18:00:233188 days ago1499104823IN
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4,872.73487396 ETH0.0005348123.78419525
Transfer39373292017-06-27 10:31:453195 days ago1498559505IN
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56 ETH0.0004571421.76873482
Transfer39368712017-06-27 8:20:303195 days ago1498551630IN
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9.9932 ETH0.0011805152.5
Transfer39136972017-06-22 15:51:373199 days ago1498146697IN
0xcff5a79f...cb87A10Be
10 ETH0.0010173945.24573838
Transfer39136262017-06-22 15:32:183199 days ago1498145538IN
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10 ETH0.0009501645.24573838
Transfer39136112017-06-22 15:26:113199 days ago1498145171IN
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13 ETH0.0006745830
Transfer39135832017-06-22 15:17:483199 days ago1498144668IN
0xcff5a79f...cb87A10Be
64.5 ETH0.0006745830
Transfer39135602017-06-22 15:09:463199 days ago1498144186IN
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18 ETH0.000472221
Confirm39028382017-06-20 10:44:353202 days ago1497955475IN
0xcff5a79f...cb87A10Be
0 ETH0.0009524525.38796339
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Parent Transaction Hash Method Block
From
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Transfer40071782017-07-11 10:26:073181 days ago1499768767
0xcff5a79f...cb87A10Be
1,056.17181603 ETH
Transfer39727532017-07-04 11:54:133188 days ago1499169253
0xcff5a79f...cb87A10Be
12,699.55805972 ETH
Transfer39727282017-07-04 11:47:093188 days ago1499168829
0xcff5a79f...cb87A10Be
1 ETH
Transfer39028382017-06-20 10:44:353202 days ago1497955475
0xcff5a79f...cb87A10Be
8,012 ETH
Transfer39028282017-06-20 10:42:193202 days ago1497955339
0xcff5a79f...cb87A10Be
2,807 ETH
Transfer38988442017-06-19 15:53:403202 days ago1497887620
0xcff5a79f...cb87A10Be
249.9 ETH
Transfer38973392017-06-19 9:07:443203 days ago1497863264
0xcff5a79f...cb87A10Be
31,000 ETH
Transfer38787232017-06-15 21:20:133206 days ago1497561613
0xcff5a79f...cb87A10Be
1,329.522449 ETH
Transfer38759262017-06-15 8:44:463207 days ago1497516286
0xcff5a79f...cb87A10Be
31,000 ETH
Transfer38650622017-06-13 7:23:033209 days ago1497338583
0xcff5a79f...cb87A10Be
30.393351 ETH
Transfer38473832017-06-09 22:51:133212 days ago1497048673
0xcff5a79f...cb87A10Be
964.008274 ETH
Transfer38470892017-06-09 21:28:263212 days ago1497043706
0xcff5a79f...cb87A10Be
500 ETH
Transfer38450532017-06-09 12:22:213212 days ago1497010941
0xcff5a79f...cb87A10Be
400 ETH
Transfer38447492017-06-09 10:57:143213 days ago1497005834
0xcff5a79f...cb87A10Be
0.1 ETH
Transfer38418492017-06-08 21:23:273213 days ago1496957007
0xcff5a79f...cb87A10Be
10,000 ETH
Transfer38405232017-06-08 15:32:263213 days ago1496935946
0xcff5a79f...cb87A10Be
94.3928 ETH
Transfer38399832017-06-08 12:55:393213 days ago1496926539
0xcff5a79f...cb87A10Be
20,500 ETH
Transfer38399232017-06-08 12:39:323213 days ago1496925572
0xcff5a79f...cb87A10Be
0.1 ETH
Transfer38399032017-06-08 12:33:073213 days ago1496925187
0xcff5a79f...cb87A10Be
14.999769 ETH
Transfer38392972017-06-08 9:43:503214 days ago1496915030
0xcff5a79f...cb87A10Be
0.1 ETH
Transfer38348152017-06-07 13:06:143214 days ago1496840774
0xcff5a79f...cb87A10Be
1 ETH
Transfer38348132017-06-07 13:06:003214 days ago1496840760
0xcff5a79f...cb87A10Be
1 ETH
Transfer38347892017-06-07 13:01:093214 days ago1496840469
0xcff5a79f...cb87A10Be
174.667887 ETH
Transfer38298462017-06-06 14:17:163215 days ago1496758636
0xcff5a79f...cb87A10Be
97.6987 ETH
Transfer38287972017-06-06 9:32:053216 days ago1496741525
0xcff5a79f...cb87A10Be
0.1 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x34912F04...D33d12487
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
Wallet

Compiler Version
v0.4.6+commit.2dabbdf0

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-04-09
*/

//sol Wallet
// Multi-sig, daily-limited account proxy/wallet.
// @authors:
// Gav Wood <g@ethdev.com>
// inheritable "property" contract that enables methods to be protected by requiring the acquiescence of either a
// single, or, crucially, each of a number of, designated owners.
// usage:
// use modifiers onlyowner (just own owned) or onlymanyowners(hash), whereby the same hash must be provided by
// some number (specified in constructor) of the set of owners (specified in the constructor, modifiable) before the
// interior is executed.
pragma solidity ^0.4.6;

contract multiowned {

    // TYPES

    // struct for the status of a pending operation.
    struct PendingState {
        uint yetNeeded;
        uint ownersDone;
        uint index;
    }

    // EVENTS

    // this contract only has six types of events: it can accept a confirmation, in which case
    // we record owner and operation (hash) alongside it.
    event Confirmation(address owner, bytes32 operation);
    event Revoke(address owner, bytes32 operation);
    // some others are in the case of an owner changing.
    event OwnerChanged(address oldOwner, address newOwner);
    event OwnerAdded(address newOwner);
    event OwnerRemoved(address oldOwner);
    // the last one is emitted if the required signatures change
    event RequirementChanged(uint newRequirement);

    // MODIFIERS

    // simple single-sig function modifier.
    modifier onlyowner {
        if (isOwner(msg.sender))
            _;
    }
    // multi-sig function modifier: the operation must have an intrinsic hash in order
    // that later attempts can be realised as the same underlying operation and
    // thus count as confirmations.
    modifier onlymanyowners(bytes32 _operation) {
        if (confirmAndCheck(_operation))
            _;
    }

    // METHODS

    // constructor is given number of sigs required to do protected "onlymanyowners" transactions
    // as well as the selection of addresses capable of confirming them.
    function multiowned(address[] _owners, uint _required) {
        m_numOwners = _owners.length + 1;
        m_owners[1] = uint(msg.sender);
        m_ownerIndex[uint(msg.sender)] = 1;
        for (uint i = 0; i < _owners.length; ++i)
        {
            m_owners[2 + i] = uint(_owners[i]);
            m_ownerIndex[uint(_owners[i])] = 2 + i;
        }
        m_required = _required;
    }

    // Revokes a prior confirmation of the given operation
    function revoke(bytes32 _operation) external {
        uint ownerIndex = m_ownerIndex[uint(msg.sender)];
        // make sure they're an owner
        if (ownerIndex == 0) return;
        uint ownerIndexBit = 2**ownerIndex;
        var pending = m_pending[_operation];
        if (pending.ownersDone & ownerIndexBit > 0) {
            pending.yetNeeded++;
            pending.ownersDone -= ownerIndexBit;
            Revoke(msg.sender, _operation);
        }
    }

    // Replaces an owner `_from` with another `_to`.
    function changeOwner(address _from, address _to) onlymanyowners(sha3(msg.data)) external {
        if (isOwner(_to)) return;
        uint ownerIndex = m_ownerIndex[uint(_from)];
        if (ownerIndex == 0) return;

        clearPending();
        m_owners[ownerIndex] = uint(_to);
        m_ownerIndex[uint(_from)] = 0;
        m_ownerIndex[uint(_to)] = ownerIndex;
        OwnerChanged(_from, _to);
    }

    function addOwner(address _owner) onlymanyowners(sha3(msg.data)) external {
        if (isOwner(_owner)) return;

        clearPending();
        if (m_numOwners >= c_maxOwners)
            reorganizeOwners();
        if (m_numOwners >= c_maxOwners)
            return;
        m_numOwners++;
        m_owners[m_numOwners] = uint(_owner);
        m_ownerIndex[uint(_owner)] = m_numOwners;
        OwnerAdded(_owner);
    }

    function removeOwner(address _owner) onlymanyowners(sha3(msg.data)) external {
        uint ownerIndex = m_ownerIndex[uint(_owner)];
        if (ownerIndex == 0) return;
        if (m_required > m_numOwners - 1) return;

        m_owners[ownerIndex] = 0;
        m_ownerIndex[uint(_owner)] = 0;
        clearPending();
        reorganizeOwners(); //make sure m_numOwner is equal to the number of owners and always points to the optimal free slot
        OwnerRemoved(_owner);
    }

    function changeRequirement(uint _newRequired) onlymanyowners(sha3(msg.data)) external {
        if (_newRequired > m_numOwners) return;
        m_required = _newRequired;
        clearPending();
        RequirementChanged(_newRequired);
    }

    // Gets an owner by 0-indexed position (using numOwners as the count)
    function getOwner(uint ownerIndex) external constant returns (address) {
        return address(m_owners[ownerIndex + 1]);
    }

    function isOwner(address _addr) returns (bool) {
        return m_ownerIndex[uint(_addr)] > 0;
    }

    function hasConfirmed(bytes32 _operation, address _owner) constant returns (bool) {
        var pending = m_pending[_operation];
        uint ownerIndex = m_ownerIndex[uint(_owner)];

        // make sure they're an owner
        if (ownerIndex == 0) return false;

        // determine the bit to set for this owner.
        uint ownerIndexBit = 2**ownerIndex;
        return !(pending.ownersDone & ownerIndexBit == 0);
    }

    // INTERNAL METHODS

    function confirmAndCheck(bytes32 _operation) internal returns (bool) {
        // determine what index the present sender is:
        uint ownerIndex = m_ownerIndex[uint(msg.sender)];
        // make sure they're an owner
        if (ownerIndex == 0) return;

        var pending = m_pending[_operation];
        // if we're not yet working on this operation, switch over and reset the confirmation status.
        if (pending.yetNeeded == 0) {
            // reset count of confirmations needed.
            pending.yetNeeded = m_required;
            // reset which owners have confirmed (none) - set our bitmap to 0.
            pending.ownersDone = 0;
            pending.index = m_pendingIndex.length++;
            m_pendingIndex[pending.index] = _operation;
        }
        // determine the bit to set for this owner.
        uint ownerIndexBit = 2**ownerIndex;
        // make sure we (the message sender) haven't confirmed this operation previously.
        if (pending.ownersDone & ownerIndexBit == 0) {
            Confirmation(msg.sender, _operation);
            // ok - check if count is enough to go ahead.
            if (pending.yetNeeded <= 1) {
                // enough confirmations: reset and run interior.
                delete m_pendingIndex[m_pending[_operation].index];
                delete m_pending[_operation];
                return true;
            }
            else
            {
                // not enough: record that this owner in particular confirmed.
                pending.yetNeeded--;
                pending.ownersDone |= ownerIndexBit;
            }
        }
    }

    function reorganizeOwners() private {
        uint free = 1;
        while (free < m_numOwners)
        {
            while (free < m_numOwners && m_owners[free] != 0) free++;
            while (m_numOwners > 1 && m_owners[m_numOwners] == 0) m_numOwners--;
            if (free < m_numOwners && m_owners[m_numOwners] != 0 && m_owners[free] == 0)
            {
                m_owners[free] = m_owners[m_numOwners];
                m_ownerIndex[m_owners[free]] = free;
                m_owners[m_numOwners] = 0;
            }
        }
    }

    function clearPending() internal {
        uint length = m_pendingIndex.length;
        for (uint i = 0; i < length; ++i)
            if (m_pendingIndex[i] != 0)
                delete m_pending[m_pendingIndex[i]];
        delete m_pendingIndex;
    }

    // FIELDS

    // the number of owners that must confirm the same operation before it is run.
    uint public m_required;
    // pointer used to find a free slot in m_owners
    uint public m_numOwners;

    // list of owners
    uint[256] m_owners;
    uint constant c_maxOwners = 250;
    // index on the list of owners to allow reverse lookup
    mapping(uint => uint) m_ownerIndex;
    // the ongoing operations.
    mapping(bytes32 => PendingState) m_pending;
    bytes32[] m_pendingIndex;
}

// inheritable "property" contract that enables methods to be protected by placing a linear limit (specifiable)
// on a particular resource per calendar day. is multiowned to allow the limit to be altered. resource that method
// uses is specified in the modifier.
contract daylimit is multiowned {

    // MODIFIERS

    // simple modifier for daily limit.
    modifier limitedDaily(uint _value) {
        if (underLimit(_value))
            _;
    }

    // METHODS

    // constructor - stores initial daily limit and records the present day's index.
    function daylimit(uint _limit) {
        m_dailyLimit = _limit;
        m_lastDay = today();
    }
    // (re)sets the daily limit. needs many of the owners to confirm. doesn't alter the amount already spent today.
    function setDailyLimit(uint _newLimit) onlymanyowners(sha3(msg.data)) external {
        m_dailyLimit = _newLimit;
    }
    // resets the amount already spent today. needs many of the owners to confirm.
    function resetSpentToday() onlymanyowners(sha3(msg.data)) external {
        m_spentToday = 0;
    }

    // INTERNAL METHODS

    // checks to see if there is at least `_value` left from the daily limit today. if there is, subtracts it and
    // returns true. otherwise just returns false.
    function underLimit(uint _value) internal onlyowner returns (bool) {
        // reset the spend limit if we're on a different day to last time.
        if (today() > m_lastDay) {
            m_spentToday = 0;
            m_lastDay = today();
        }
        // check to see if there's enough left - if so, subtract and return true.
        // overflow protection                    // dailyLimit check
        if (m_spentToday + _value >= m_spentToday && m_spentToday + _value <= m_dailyLimit) {
            m_spentToday += _value;
            return true;
        }
        return false;
    }
    // determines today's index.
    function today() private constant returns (uint) { return now / 1 days; }

    // FIELDS

    uint public m_dailyLimit;
    uint public m_spentToday;
    uint public m_lastDay;
}

// interface contract for multisig proxy contracts; see below for docs.
contract multisig {

    // EVENTS

    // logged events:
    // Funds has arrived into the wallet (record how much).
    event Deposit(address _from, uint value);
    // Single transaction going out of the wallet (record who signed for it, how much, and to whom it's going).
    event SingleTransact(address owner, uint value, address to, bytes data);
    // Multi-sig transaction going out of the wallet (record who signed for it last, the operation hash, how much, and to whom it's going).
    event MultiTransact(address owner, bytes32 operation, uint value, address to, bytes data);
    // Confirmation still needed for a transaction.
    event ConfirmationNeeded(bytes32 operation, address initiator, uint value, address to, bytes data);

    // FUNCTIONS

    // TODO: document
    function changeOwner(address _from, address _to) external;
    function execute(address _to, uint _value, bytes _data) external returns (bytes32);
    function confirm(bytes32 _h) returns (bool);
}

// usage:
// bytes32 h = Wallet(w).from(oneOwner).execute(to, value, data);
// Wallet(w).from(anotherOwner).confirm(h);
contract Wallet is multisig, multiowned, daylimit {

    // TYPES

    // Transaction structure to remember details of transaction lest it need be saved for a later call.
    struct Transaction {
        address to;
        uint value;
        bytes data;
    }

    // METHODS

    // constructor - just pass on the owner array to the multiowned and
    // the limit to daylimit
    function Wallet(address[] _owners, uint _required, uint _daylimit)
            multiowned(_owners, _required) daylimit(_daylimit) {
    }

    // kills the contract sending everything to `_to`.
    function kill(address _to) onlymanyowners(sha3(msg.data)) external {
        suicide(_to);
    }

    // gets called when no other function matches
    function() payable {
        // just being sent some cash?
        if (msg.value > 0)
            Deposit(msg.sender, msg.value);
    }

    // Outside-visible transact entry point. Executes transaction immediately if below daily spend limit.
    // If not, goes into multisig process. We provide a hash on return to allow the sender to provide
    // shortcuts for the other confirmations (allowing them to avoid replicating the _to, _value
    // and _data arguments). They still get the option of using them if they want, anyways.
    function execute(address _to, uint _value, bytes _data) external onlyowner returns (bytes32 _r) {
        // first, take the opportunity to check that we're under the daily limit.
        if (underLimit(_value)) {
            SingleTransact(msg.sender, _value, _to, _data);
            // yes - just execute the call.
            _to.call.value(_value)(_data);
            return 0;
        }
        // determine our operation hash.
        _r = sha3(msg.data, block.number);
        if (!confirm(_r) && m_txs[_r].to == 0) {
            m_txs[_r].to = _to;
            m_txs[_r].value = _value;
            m_txs[_r].data = _data;
            ConfirmationNeeded(_r, msg.sender, _value, _to, _data);
        }
    }

    // confirm a transaction through just the hash. we use the previous transactions map, m_txs, in order
    // to determine the body of the transaction from the hash provided.
    function confirm(bytes32 _h) onlymanyowners(_h) returns (bool) {
        if (m_txs[_h].to != 0) {
            m_txs[_h].to.call.value(m_txs[_h].value)(m_txs[_h].data);
            MultiTransact(msg.sender, _h, m_txs[_h].value, m_txs[_h].to, m_txs[_h].data);
            delete m_txs[_h];
            return true;
        }
    }

    // INTERNAL METHODS

    function clearPending() internal {
        uint length = m_pendingIndex.length;
        for (uint i = 0; i < length; ++i)
            delete m_txs[m_pendingIndex[i]];
        super.clearPending();
    }

    // FIELDS

    // pending transactions we have at present.
    mapping (bytes32 => Transaction) m_txs;
}

Contract Security Audit

Contract ABI

API
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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.