Contract 0xff1a8EDA5eAcdB6aAf729905492bdc6376DBe2dd

 
 
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0x05bdc40de7c50b83dd5611321bff7b1d1eddd8612aed76c574ecfb29cdbdcb33Transfer129122432021-07-28 4:07:55555 days 19 hrs ago0xf3ad7b95757e5e745feed72c633c5956d920a9b5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0006340328.60000189
0x3a33a8290700fda2a0cbfe837e668cbeda0ef48b1a245ee82872e14ec8341b29Transfer129122432021-07-28 4:07:55555 days 19 hrs ago0xf3ad7b95757e5e745feed72c633c5956d920a9b5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0006916731.2
0x7af0a9f8f67af70cd5298cd4455e9c38574a97bc5c40540abe162d51f0cce180Confirm Transact...109764732020-10-02 12:00:24854 days 11 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.008376480
0x19d01baa728b90aa70e8f2dd25d9641690c1e25ee8761aea54aa6af0d5b4c7a6Confirm Transact...109764592020-10-02 11:57:29854 days 11 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0102498100
0x2155b8bd9a8490d933c1fabce34f8f8bc843fc4c6accdc1be46f6a7db1296952Confirm Transact...109764542020-10-02 11:55:58854 days 11 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0084588880
0x2b7417d112ff98302471ba3095779999fd50bdcfa42872f834bbb9efa61df1aeConfirm Transact...109764482020-10-02 11:52:54854 days 11 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0081998480.00000145
0x857f37e428cc63f93b4e8f3fcec149c61037ba8e033bcdfd67922afd9e389ecfConfirm Transact...109740582020-10-02 2:53:13854 days 20 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0041347860.00000145
0x3b653b780d0616cc4abe6df73c0fe22b1a58d01692e272705a2e4dd0cfa7b80bConfirm Transact...109740582020-10-02 2:53:13854 days 20 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0041347860.0001
0xb9d16e3bbe715c5231e78074e7d8086feac90ec92bdc8d7b61d7c6dcdea4b3d4Confirm Transact...109740562020-10-02 2:52:53854 days 20 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0041347860.00000145
0x3a6bf300b2dcddbbb5acdd14438d38b13f11ff01971fa6971a502a6b447f6a3aConfirm Transact...109740522020-10-02 2:52:17854 days 20 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0041347860.0001
0x4ff79b4a7ed31ff7615a46ab887be61801d4d66566f2ec0566cd473ee07de2caSubmit Transacti...109727332020-10-01 21:53:52855 days 1 hr ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.008487752
0x7a4dc8e194ef263d2323ede178f517eb706237d0489a69b909d03bd996e34942Submit Transacti...109727302020-10-01 21:53:09855 days 1 hr ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.008487752
0xdcdb3f4f87428fb4be68afafa6779f343e7d4aab1c8bac0edb9983f2f76009a0Submit Transacti...109727252020-10-01 21:51:52855 days 1 hr ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.008487752
0xbb87033f8553bc4a7ebc144859aad960753084f762d32e2125a65bc0f57f1003Submit Transacti...109726962020-10-01 21:45:16855 days 1 hr ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.007181944
0x7390f64d46a243d0a2024229e85030c327eccaa8b810a1b91b332b4af646dec5Confirm Transact...109516792020-09-28 15:13:41858 days 8 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0165527148.5
0xd58b3a30dfe91d0996ec0342f8bab8767983646a84289d099cd1b3e3747956b9Confirm Transact...109516792020-09-28 15:13:41858 days 8 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0187802148.5
0x9fbf32b76cfab32408dc97235673b6cc000b0abfeb8063fad1180b8d7c963021Confirm Transact...109516662020-09-28 15:10:31858 days 8 hrs ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.01870877148.5
0x8d19411adcc6805079473bd3d111c2dcc4f48f49bc23246db407971d82d31febConfirm Transact...109469332020-09-27 21:04:08859 days 2 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0031699946.00000145
0xd44190a2d6a47ecd40cc1aa7588af92aac80264d9815dc7ea1886599a888d0bbConfirm Transact...109469252020-09-27 21:01:38859 days 2 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0032389147.00000145
0x54b7290f85bb09a2353ae5523412956391812c7838fee64879ed56fd321d5730Confirm Transact...109469222020-09-27 21:01:04859 days 2 hrs ago0x4d1c96b9a49c4469a0b720a22b74b034eddfe051 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0031010845.00000145
0xf5e63bab293d0ee7ffc4cdedbb960ca8405a54b8a2a69d5d5dd0a6d9bf5a4f57Submit Transacti...109462472020-09-27 18:39:43859 days 4 hrs ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0130285771
0x55f437f6cc09fd74e3c6f740ddd392cc06f3e9d20c8706d78dde3d754ef52d9eSubmit Transacti...109462362020-09-27 18:35:57859 days 4 hrs ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0130285771
0x915eac360cf2f1eaff6f99f17b7bde2b8541feab02d261327f1efe3d84eb6b95Submit Transacti...109462122020-09-27 18:30:09859 days 4 hrs ago0x9ad83402c19af24f76afa1930a2b2eec2f47a8c5 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0130404971
0x46ab228715c198c90effb26514a3608d9587e1e102e95f985eac91d68b00d1a1Confirm Transact...109216332020-09-23 23:00:25863 days 24 mins ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.0073685371.0001
0xfbc688847b38c35bb8ba1dab6c97b1496e56c0c56a96c2413d0365cbc2ac851dConfirm Transact...109216332020-09-23 23:00:25863 days 24 mins ago0xc073c8e5ed9aa11cf6776c69b3e13b259ba9f506 IN  Gnosis: xDai Bridge Management Multisig0 Ether0.007219670.0001
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Contract Source Code Verified (Exact Match)

Contract Name:
MultiSigWallet

Compiler Version
v0.4.15+commit.bbb8e64f

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-12-14
*/

pragma solidity ^0.4.15;


/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.
/// @author Stefan George - <[email protected]>
contract MultiSigWallet {

    /*
     *  Events
     */
    event Confirmation(address indexed sender, uint indexed transactionId);
    event Revocation(address indexed sender, uint indexed transactionId);
    event Submission(uint indexed transactionId);
    event Execution(uint indexed transactionId);
    event ExecutionFailure(uint indexed transactionId);
    event Deposit(address indexed sender, uint value);
    event OwnerAddition(address indexed owner);
    event OwnerRemoval(address indexed owner);
    event RequirementChange(uint required);

    /*
     *  Constants
     */
    uint constant public MAX_OWNER_COUNT = 50;

    /*
     *  Storage
     */
    mapping (uint => Transaction) public transactions;
    mapping (uint => mapping (address => bool)) public confirmations;
    mapping (address => bool) public isOwner;
    address[] public owners;
    uint public required;
    uint public transactionCount;

    struct Transaction {
        address destination;
        uint value;
        bytes data;
        bool executed;
    }

    /*
     *  Modifiers
     */
    modifier onlyWallet() {
        require(msg.sender == address(this));
        _;
    }

    modifier ownerDoesNotExist(address owner) {
        require(!isOwner[owner]);
        _;
    }

    modifier ownerExists(address owner) {
        require(isOwner[owner]);
        _;
    }

    modifier transactionExists(uint transactionId) {
        require(transactions[transactionId].destination != 0);
        _;
    }

    modifier confirmed(uint transactionId, address owner) {
        require(confirmations[transactionId][owner]);
        _;
    }

    modifier notConfirmed(uint transactionId, address owner) {
        require(!confirmations[transactionId][owner]);
        _;
    }

    modifier notExecuted(uint transactionId) {
        require(!transactions[transactionId].executed);
        _;
    }

    modifier notNull(address _address) {
        require(_address != 0);
        _;
    }

    modifier validRequirement(uint ownerCount, uint _required) {
        require(ownerCount <= MAX_OWNER_COUNT
            && _required <= ownerCount
            && _required != 0
            && ownerCount != 0);
        _;
    }

    /// @dev Fallback function allows to deposit ether.
    function()
        payable
    {
        if (msg.value > 0)
            Deposit(msg.sender, msg.value);
    }

    /*
     * Public functions
     */
    /// @dev Contract constructor sets initial owners and required number of confirmations.
    /// @param _owners List of initial owners.
    /// @param _required Number of required confirmations.
    function MultiSigWallet(address[] _owners, uint _required)
        public
        validRequirement(_owners.length, _required)
    {
        for (uint i=0; i<_owners.length; i++) {
            require(!isOwner[_owners[i]] && _owners[i] != 0);
            isOwner[_owners[i]] = true;
        }
        owners = _owners;
        required = _required;
    }

    /// @dev Allows to add a new owner. Transaction has to be sent by wallet.
    /// @param owner Address of new owner.
    function addOwner(address owner)
        public
        onlyWallet
        ownerDoesNotExist(owner)
        notNull(owner)
        validRequirement(owners.length + 1, required)
    {
        isOwner[owner] = true;
        owners.push(owner);
        OwnerAddition(owner);
    }

    /// @dev Allows to remove an owner. Transaction has to be sent by wallet.
    /// @param owner Address of owner.
    function removeOwner(address owner)
        public
        onlyWallet
        ownerExists(owner)
    {
        isOwner[owner] = false;
        for (uint i=0; i<owners.length - 1; i++)
            if (owners[i] == owner) {
                owners[i] = owners[owners.length - 1];
                break;
            }
        owners.length -= 1;
        if (required > owners.length)
            changeRequirement(owners.length);
        OwnerRemoval(owner);
    }

    /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.
    /// @param owner Address of owner to be replaced.
    /// @param newOwner Address of new owner.
    function replaceOwner(address owner, address newOwner)
        public
        onlyWallet
        ownerExists(owner)
        ownerDoesNotExist(newOwner)
    {
        for (uint i=0; i<owners.length; i++)
            if (owners[i] == owner) {
                owners[i] = newOwner;
                break;
            }
        isOwner[owner] = false;
        isOwner[newOwner] = true;
        OwnerRemoval(owner);
        OwnerAddition(newOwner);
    }

    /// @dev Allows to change the number of required confirmations. Transaction has to be sent by wallet.
    /// @param _required Number of required confirmations.
    function changeRequirement(uint _required)
        public
        onlyWallet
        validRequirement(owners.length, _required)
    {
        required = _required;
        RequirementChange(_required);
    }

    /// @dev Allows an owner to submit and confirm a transaction.
    /// @param destination Transaction target address.
    /// @param value Transaction ether value.
    /// @param data Transaction data payload.
    /// @return Returns transaction ID.
    function submitTransaction(address destination, uint value, bytes data)
        public
        returns (uint transactionId)
    {
        transactionId = addTransaction(destination, value, data);
        confirmTransaction(transactionId);
    }

    /// @dev Allows an owner to confirm a transaction.
    /// @param transactionId Transaction ID.
    function confirmTransaction(uint transactionId)
        public
        ownerExists(msg.sender)
        transactionExists(transactionId)
        notConfirmed(transactionId, msg.sender)
    {
        confirmations[transactionId][msg.sender] = true;
        Confirmation(msg.sender, transactionId);
        executeTransaction(transactionId);
    }

    /// @dev Allows an owner to revoke a confirmation for a transaction.
    /// @param transactionId Transaction ID.
    function revokeConfirmation(uint transactionId)
        public
        ownerExists(msg.sender)
        confirmed(transactionId, msg.sender)
        notExecuted(transactionId)
    {
        confirmations[transactionId][msg.sender] = false;
        Revocation(msg.sender, transactionId);
    }

    /// @dev Allows anyone to execute a confirmed transaction.
    /// @param transactionId Transaction ID.
    function executeTransaction(uint transactionId)
        public
        ownerExists(msg.sender)
        confirmed(transactionId, msg.sender)
        notExecuted(transactionId)
    {
        if (isConfirmed(transactionId)) {
            Transaction storage txn = transactions[transactionId];
            txn.executed = true;
            if (external_call(txn.destination, txn.value, txn.data.length, txn.data))
                Execution(transactionId);
            else {
                ExecutionFailure(transactionId);
                txn.executed = false;
            }
        }
    }

    // call has been separated into its own function in order to take advantage
    // of the Solidity's code generator to produce a loop that copies tx.data into memory.
    function external_call(address destination, uint value, uint dataLength, bytes data) private returns (bool) {
        bool result;
        assembly {
            let x := mload(0x40)   // "Allocate" memory for output (0x40 is where "free memory" pointer is stored by convention)
            let d := add(data, 32) // First 32 bytes are the padded length of data, so exclude that
            result := call(
                sub(gas, 34710),   // 34710 is the value that solidity is currently emitting
                                   // It includes callGas (700) + callVeryLow (3, to pay for SUB) + callValueTransferGas (9000) +
                                   // callNewAccountGas (25000, in case the destination address does not exist and needs creating)
                destination,
                value,
                d,
                dataLength,        // Size of the input (in bytes) - this is what fixes the padding problem
                x,
                0                  // Output is ignored, therefore the output size is zero
            )
        }
        return result;
    }

    /// @dev Returns the confirmation status of a transaction.
    /// @param transactionId Transaction ID.
    /// @return Confirmation status.
    function isConfirmed(uint transactionId)
        public
        constant
        returns (bool)
    {
        uint count = 0;
        for (uint i=0; i<owners.length; i++) {
            if (confirmations[transactionId][owners[i]])
                count += 1;
            if (count == required)
                return true;
        }
    }

    /*
     * Internal functions
     */
    /// @dev Adds a new transaction to the transaction mapping, if transaction does not exist yet.
    /// @param destination Transaction target address.
    /// @param value Transaction ether value.
    /// @param data Transaction data payload.
    /// @return Returns transaction ID.
    function addTransaction(address destination, uint value, bytes data)
        internal
        notNull(destination)
        returns (uint transactionId)
    {
        transactionId = transactionCount;
        transactions[transactionId] = Transaction({
            destination: destination,
            value: value,
            data: data,
            executed: false
        });
        transactionCount += 1;
        Submission(transactionId);
    }

    /*
     * Web3 call functions
     */
    /// @dev Returns number of confirmations of a transaction.
    /// @param transactionId Transaction ID.
    /// @return Number of confirmations.
    function getConfirmationCount(uint transactionId)
        public
        constant
        returns (uint count)
    {
        for (uint i=0; i<owners.length; i++)
            if (confirmations[transactionId][owners[i]])
                count += 1;
    }

    /// @dev Returns total number of transactions after filers are applied.
    /// @param pending Include pending transactions.
    /// @param executed Include executed transactions.
    /// @return Total number of transactions after filters are applied.
    function getTransactionCount(bool pending, bool executed)
        public
        constant
        returns (uint count)
    {
        for (uint i=0; i<transactionCount; i++)
            if (   pending && !transactions[i].executed
                || executed && transactions[i].executed)
                count += 1;
    }

    /// @dev Returns list of owners.
    /// @return List of owner addresses.
    function getOwners()
        public
        constant
        returns (address[])
    {
        return owners;
    }

    /// @dev Returns array with owner addresses, which confirmed transaction.
    /// @param transactionId Transaction ID.
    /// @return Returns array of owner addresses.
    function getConfirmations(uint transactionId)
        public
        constant
        returns (address[] _confirmations)
    {
        address[] memory confirmationsTemp = new address[](owners.length);
        uint count = 0;
        uint i;
        for (i=0; i<owners.length; i++)
            if (confirmations[transactionId][owners[i]]) {
                confirmationsTemp[count] = owners[i];
                count += 1;
            }
        _confirmations = new address[](count);
        for (i=0; i<count; i++)
            _confirmations[i] = confirmationsTemp[i];
    }

    /// @dev Returns list of transaction IDs in defined range.
    /// @param from Index start position of transaction array.
    /// @param to Index end position of transaction array.
    /// @param pending Include pending transactions.
    /// @param executed Include executed transactions.
    /// @return Returns array of transaction IDs.
    function getTransactionIds(uint from, uint to, bool pending, bool executed)
        public
        constant
        returns (uint[] _transactionIds)
    {
        uint[] memory transactionIdsTemp = new uint[](transactionCount);
        uint count = 0;
        uint i;
        for (i=0; i<transactionCount; i++)
            if (   pending && !transactions[i].executed
                || executed && transactions[i].executed)
            {
                transactionIdsTemp[count] = i;
                count += 1;
            }
        _transactionIds = new uint[](to - from);
        for (i=from; i<to; i++)
            _transactionIds[i - from] = transactionIdsTemp[i];
    }
}

Contract Security Audit

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000040000000000000000000000009ad83402c19af24f76afa1930a2b2eec2f47a8c50000000000000000000000004d1c96b9a49c4469a0b720a22b74b034eddfe051000000000000000000000000c073c8e5ed9aa11cf6776c69b3e13b259ba9f506000000000000000000000000491fc792e78cdadd7d31446bb7bddef876a69ad6

-----Decoded View---------------
Arg [0] : _owners (address[]): 0x9ad83402C19Af24F76afa1930a2B2EEC2F47A8C5,0x4D1c96B9A49C4469A0b720a22b74b034EDdFe051,0xc073C8E5ED9Aa11CF6776C69b3e13b259Ba9F506,0x491FC792e78CDadd7D31446Bb7bDDef876a69AD6
Arg [1] : _required (uint256): 3

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [3] : 0000000000000000000000009ad83402c19af24f76afa1930a2b2eec2f47a8c5
Arg [4] : 0000000000000000000000004d1c96b9a49c4469a0b720a22b74b034eddfe051
Arg [5] : 000000000000000000000000c073c8e5ed9aa11cf6776c69b3e13b259ba9f506
Arg [6] : 000000000000000000000000491fc792e78cdadd7d31446bb7bddef876a69ad6


Swarm Source

bzzr://af44d07dac83b2c4956a5e14af27d1ec9d7a5677539f2cff5fb151b45150b5cd
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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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.