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0x6ca89f2f97cf5fa1b188dd7e0d7a2579d5517c5085266028d455b818af8135d3188 days 13 hrs ago0x8c5057c90d35d7c737c28594859f332e249cccce  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000522459
0x1157e5d046fd352542e6cb77c8fe052a8b6f49ab5dd8cc875c2961ced29d30b2228 days 8 hrs ago0xf86cba6a1cc557c3785c0e5033eca8202dd4f99f  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000567525
0x12ffe6132c37c6e656f3a6bdcd107ca8a12903bcffa40f87a521b3af3f0a3cc4228 days 8 hrs ago0xf86cba6a1cc557c3785c0e5033eca8202dd4f99f  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000564443
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0xa8291926c2efd768c5e1628912741c422c288810636fc2077d25ab1cd5261a3c228 days 17 hrs ago0xf86cba6a1cc557c3785c0e5033eca8202dd4f99f  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.0005712536
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0xca04788234c1d2ee4adfcaf7262c405d69d8093f21154aedbffdae5ebc27c11e229 days 15 hrs ago0xae7168deb525862f4fee37d987a971b385b96952  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.00025007
0x4bc823d6f9761af98cbf25cd851cddd98dea36e8795dcde77af4b9406291f925231 days 20 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001644111
0xee9cb3c26e7df163cce5601a795a139dc67019900d55507ebcc9faaa7e2428cb240 days 17 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001119111
0x8ae41e190273ca3577c69df00c9b762ab7e963856f7ce4530761ee524502b325243 days 14 hrs ago0x0702c7de19a5fd81237569004ee696e1fe173364  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d03 Ether0.000472458
0xba4ab890db27e7f48dc2ad0a26543e377684b919363f412b587a697bfa828ce1244 days 15 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001119111
0x947893910301fa8a23907e74af5f94860b2f2882559eb7bb1651c66d9bbd9fbf245 days 14 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000907935
0x7cc51eca6a04d2656581664b39684a3a592fd32db910615e1bc6c021fe645493245 days 21 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001431591
0xed7e8c678a41ece285b93ab2b9f9dc3d8e6e8f2c01de8da46700aaa8feede40c245 days 22 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001118838
0xf5082bbf4d881119ed65ca909b57dc1ea8332873e397a589ebed446454215c7c248 days 12 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000907935
0xaf1988902fc822d3b581b4a9cf5026d1fec29bcfd40983f3aed8a37b20f8545e248 days 12 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001737393
0xfc1537e148b95fc26930619b58c71f23ee732388c6d331a14902edd1f987eb6f248 days 15 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000906591
0xc14d5ccd42bc16bff0f8034598894146b2132ffb618db4401b50343748f41b64248 days 20 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000906591
0xeb1799c513dbf34d7ac11ea6e9d08b7edd68c97985d1357e4a343e17a9a01859248 days 21 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000907935
0xd1fd3d0ef9170afe22f1c56879be5a3fe6383fe6ca627df126430f5c44311b60248 days 21 hrs ago0x002514495a8a339363aa0b5e09b4a66eadb26db7  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.000906591
0x9257fb6fcb36794c70127c657d27440dca6db8f60e63cb966b8d1277e2111898248 days 21 hrs ago0x8d89d89433e4a80907e4786ab6b7a9c51f4b9d21  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00 Ether0.001117767
0x7b17964ca98997903d359d5db8205991bd84e5ccb57211b2af114e88944d515d251 days 10 hrs ago0xccd9c8212b2db25d71658f4ef7684d8b35dc7195  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00.2 Ether0.000472458
0xe3ddbea06f1dfdb27c2c62bb0753e51a0f9b438dc97c9dc79d78192e180ee727251 days 11 hrs ago0x4b79c01a7d92a8ded2b73516272e7a095596ba76  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00.24 Ether0.000472458
0x57316531b776cedf3c6bb30ac81129cda105dbe8de5d678632d37b5845938077251 days 11 hrs ago0x8022b08a25143f998e56d9cd5db0759601b59b89  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d09.2 Ether0.00134988
0x07b365bb9c62bad73b3976599b5ee499fe3328ef3c844c48ec18ec6e1b50a048251 days 12 hrs ago0x5edbe57809a3ab337f3fb4353b6ac41245072b42  IN   0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00.49 Ether0.000472458
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ParentTxHash Block Age From To Value
0x7b8e4a2ac80ff187a1d76827d9f57e7ad854dbdd2f3544e2531737c22b5e5639541861774 days 5 hrs ago0x31a240648e2baf4f9f17225987f6f53fceb1699a0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00.000000007777777777 Ether
0x4bc823d6f9761af98cbf25cd851cddd98dea36e8795dcde77af4b9406291f9254488303231 days 20 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00xd220d7389a37734529d0b07658af3607ae19fe5b25.5 Ether
0xee9cb3c26e7df163cce5601a795a139dc67019900d55507ebcc9faaa7e2428cb4433332240 days 17 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a175 Ether
0xba4ab890db27e7f48dc2ad0a26543e377684b919363f412b587a697bfa828ce14409198244 days 15 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x0702c7de19a5fd81237569004ee696e1fe17336438.88217 Ether
0x947893910301fa8a23907e74af5f94860b2f2882559eb7bb1651c66d9bbd9fbf4403087245 days 14 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a600 Ether
0x7cc51eca6a04d2656581664b39684a3a592fd32db910615e1bc6c021fe6454934401317245 days 21 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x464cf22d22b85eec12d7e4fa988c865c25a3e8c61 Ether
0xed7e8c678a41ece285b93ab2b9f9dc3d8e6e8f2c01de8da46700aaa8feede40c4400873245 days 22 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x24b92b442c3341cdb6a5e79f75631b361c3642a60.3 Ether
0xf5082bbf4d881119ed65ca909b57dc1ea8332873e397a589ebed446454215c7c4384759248 days 12 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a450 Ether
0xfc1537e148b95fc26930619b58c71f23ee732388c6d331a14902edd1f987eb6f4384158248 days 15 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x13a8b6434bd5cef0924814f7414482529b51df2a4 Ether
0xc14d5ccd42bc16bff0f8034598894146b2132ffb618db4401b50343748f41b644382750248 days 20 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a11 Ether
0xeb1799c513dbf34d7ac11ea6e9d08b7edd68c97985d1357e4a343e17a9a018594382618248 days 21 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a480 Ether
0xd1fd3d0ef9170afe22f1c56879be5a3fe6383fe6ca627df126430f5c44311b604382547248 days 21 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a5 Ether
0x9257fb6fcb36794c70127c657d27440dca6db8f60e63cb966b8d1277e21118984382525248 days 21 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x1619da52660b0e3e2a642aaccead04d14683dd5a5 Ether
0xb5d25d7cf5b2c59e533bd177f6aa9839d48e1c8e5f568a6e3f16376780d3db994276561281 days 19 hrs ago0x1522900b6dafac587d499a862861c0869be6e4280x49eafa4c392819c009eccdc8d851b4e3c2dda7d01 Ether
0x9c6a95d072655616cddb768c23cf3ffd1d93ebe08e96a5fd5c436f302b94da0c4276561281 days 19 hrs ago0x1522900b6dafac587d499a862861c0869be6e4280x49eafa4c392819c009eccdc8d851b4e3c2dda7d00.05 Ether
0xfafa8f9da92d6ec9399c237f0b84bfd19667f6d6c5c70c2e0eaa1103af7f4db04276280281 days 21 hrs ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x6ba5898c852337ca416fc34324238fe232d819131.5 Ether
0x4e048fb69f8b6d688d8f85ee57a03f0ee795aa31e3102505b2a99dc01fe5f6c04275749282 days 1 hr ago0x49eafa4c392819c009eccdc8d851b4e3c2dda7d00x415b370e98a6d7960923e7899d4fe001878f97e70.3 Ether
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Warning: The compiled contract might be susceptible to ZeroFunctionSelector (very low-severity), DelegateCallReturnValue (low-severity), ECRecoverMalformedInput (medium-severity), SkipEmptyStringLiteral (low-severity), ConstantOptimizerSubtraction (low-severity) Solidity compiler bugs.

Contract Source Code Verified (Similar match)
Note: Displaying similar matching verified source code at contract 0xC16ba0Bf101682e0E7fcBD0B7BC160A8E2E59471(excluding Constructor Arguments if any)
Contract Name: Wallet
Compiler Version: v0.4.10+commit.f0d539ae
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

//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 ^0.4.9;

contract WalletEvents {
  // 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);

  // 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, address created);
  // 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, address created);
  // Confirmation still needed for a transaction.
  event ConfirmationNeeded(bytes32 operation, address initiator, uint value, address to, bytes data);
}

contract WalletAbi {
  // Revokes a prior confirmation of the given operation
  function revoke(bytes32 _operation) external;

  // Replaces an owner `_from` with another `_to`.
  function changeOwner(address _from, address _to) external;

  function addOwner(address _owner) external;

  function removeOwner(address _owner) external;

  function changeRequirement(uint _newRequired) external;

  function isOwner(address _addr) constant returns (bool);

  function hasConfirmed(bytes32 _operation, address _owner) external constant returns (bool);

  // (re)sets the daily limit. needs many of the owners to confirm. doesn't alter the amount already spent today.
  function setDailyLimit(uint _newLimit) external;

  function execute(address _to, uint _value, bytes _data) external returns (bytes32 o_hash);
  function confirm(bytes32 _h) returns (bool o_success);
}

contract WalletLibrary is WalletEvents {
  // TYPES

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

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

  // 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

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

  // constructor is given number of sigs required to do protected "onlymanyowners" transactions
  // as well as the selection of addresses capable of confirming them.
  function initMultiowned(address[] _owners, uint _required) only_uninitialized {
    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) constant returns (bool) {
    return m_ownerIndex[uint(_addr)] > 0;
  }

  function hasConfirmed(bytes32 _operation, address _owner) external 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);
  }

  // constructor - stores initial daily limit and records the present day's index.
  function initDaylimit(uint _limit) only_uninitialized {
    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;
  }

  // throw unless the contract is not yet initialized.
  modifier only_uninitialized { if (m_numOwners > 0) throw; _; }

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

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

  // 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 o_hash) {
    // first, take the opportunity to check that we're under the daily limit.
    if ((_data.length == 0 && underLimit(_value)) || m_required == 1) {
      // yes - just execute the call.
      address created;
      if (_to == 0) {
        created = create(_value, _data);
      } else {
        if (!_to.call.value(_value)(_data))
          throw;
      }
      SingleTransact(msg.sender, _value, _to, _data, created);
    } else {
      // determine our operation hash.
      o_hash = sha3(msg.data, block.number);
      // store if it's new
      if (m_txs[o_hash].to == 0 && m_txs[o_hash].value == 0 && m_txs[o_hash].data.length == 0) {
        m_txs[o_hash].to = _to;
        m_txs[o_hash].value = _value;
        m_txs[o_hash].data = _data;
      }
      if (!confirm(o_hash)) {
        ConfirmationNeeded(o_hash, msg.sender, _value, _to, _data);
      }
    }
  }

  function create(uint _value, bytes _code) internal returns (address o_addr) {
    assembly {
      o_addr := create(_value, add(_code, 0x20), mload(_code))
      jumpi(invalidJumpLabel, iszero(extcodesize(o_addr)))
    }
  }

  // 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 o_success) {
    if (m_txs[_h].to != 0 || m_txs[_h].value != 0 || m_txs[_h].data.length != 0) {
      address created;
      if (m_txs[_h].to == 0) {
        created = create(m_txs[_h].value, m_txs[_h].data);
      } else {
        if (!m_txs[_h].to.call.value(m_txs[_h].value)(m_txs[_h].data))
          throw;
      }

      MultiTransact(msg.sender, _h, m_txs[_h].value, m_txs[_h].to, m_txs[_h].data, created);
      delete m_txs[_h];
      return true;
    }
  }

  // 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;
      }
    }
  }

  // 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; }

  function clearPending() internal {
    uint length = m_pendingIndex.length;

    for (uint i = 0; i < length; ++i) {
      delete m_txs[m_pendingIndex[i]];

      if (m_pendingIndex[i] != 0)
        delete m_pending[m_pendingIndex[i]];
    }

    delete m_pendingIndex;
  }

  // FIELDS
  address constant _walletLibrary = 0xcafecafecafecafecafecafecafecafecafecafe;

  // 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;

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

  // 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;

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

contract Wallet is WalletEvents {

  // WALLET CONSTRUCTOR
  //   calls the `initWallet` method of the Library in this context
  function Wallet(address[] _owners, uint _required, uint _daylimit) {
    // Signature of the Wallet Library's init function
    bytes4 sig = bytes4(sha3("initWallet(address[],uint256,uint256)"));
    address target = _walletLibrary;

    // Compute the size of the call data : arrays has 2
    // 32bytes for offset and length, plus 32bytes per element ;
    // plus 2 32bytes for each uint
    uint argarraysize = (2 + _owners.length);
    uint argsize = (2 + argarraysize) * 32;

    assembly {
      // Add the signature first to memory
      mstore(0x0, sig)
      // Add the call data, which is at the end of the
      // code
      codecopy(0x4,  sub(codesize, argsize), argsize)
      // Delegate call to the library
      delegatecall(sub(gas, 10000), target, 0x0, add(argsize, 0x4), 0x0, 0x0)
    }
  }

  // METHODS

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

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

  // As return statement unavailable in fallback, explicit the method here

  function hasConfirmed(bytes32 _operation, address _owner) external constant returns (bool) {
    return _walletLibrary.delegatecall(msg.data);
  }

  function isOwner(address _addr) constant returns (bool) {
    return _walletLibrary.delegatecall(msg.data);
  }

  // FIELDS
  address constant _walletLibrary = 0x863df6bfa4469f3ead0be8f9f2aae51c91a907b4;

  // 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;

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

  // list of owners
  uint[256] m_owners;
}

    Contract ABI  
[{"constant":true,"inputs":[{"name":"_addr","type":"address"}],"name":"isOwner","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"m_numOwners","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"m_lastDay","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"m_spentToday","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"m_required","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_operation","type":"bytes32"},{"name":"_owner","type":"address"}],"name":"hasConfirmed","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"ownerIndex","type":"uint256"}],"name":"getOwner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"m_dailyLimit","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"_owners","type":"address[]"},{"name":"_required","type":"uint256"},{"name":"_daylimit","type":"uint256"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"operation","type":"bytes32"}],"name":"Confirmation","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"operation","type":"bytes32"}],"name":"Revoke","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"oldOwner","type":"address"},{"indexed":false,"name":"newOwner","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newOwner","type":"address"}],"name":"OwnerAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"oldOwner","type":"address"}],"name":"OwnerRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newRequirement","type":"uint256"}],"name":"RequirementChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"data","type":"bytes"},{"indexed":false,"name":"created","type":"address"}],"name":"SingleTransact","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"operation","type":"bytes32"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"data","type":"bytes"},{"indexed":false,"name":"created","type":"address"}],"name":"MultiTransact","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"operation","type":"bytes32"},{"indexed":false,"name":"initiator","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"data","type":"bytes"}],"name":"ConfirmationNeeded","type":"event"}]

  Contract Creation Code Switch To Opcodes View
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   Swarm Source:
bzzr://c20a8475c42598c198f6629bada37e1b234da85ac2c0cbac3d96089030b18040

 

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