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0x00c2bDF0a6C904c5c51b2943924d6f5e43D7ED53

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xA1BCee55...1b0510213
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
MultiSignatureWallet

Compiler Version
v0.8.24+commit.e11b9ed9

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion, MIT license

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 2 : MultiSignatureWallet.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

import {EnumerableSet} from "../lib/openzeppelin-contracts/contracts/utils/structs/EnumerableSet.sol";

/**
 * @title MultiSignatureWallet
 * @dev A multisignature wallet contract that requires multiple owners to confirm transactions.
 */
contract MultiSignatureWallet {
    using EnumerableSet for EnumerableSet.AddressSet;

    /**
     * @dev Emitted when a deposit is made to the contract.
     * @param sender The address that sent the funds.
     * @param amount The amount of funds deposited.
     * @param balance The new balance of the contract after the deposit.
     */
    event Deposit(address indexed sender, uint256 amount, uint256 balance);

    /**
     * @dev Emitted when a new transaction is submitted.
     * @param owner The address of the owner who submitted the transaction.
     * @param txIndex The index of the transaction in the transactions array.
     * @param to The contract address the transaction is directed to.
     * @param value The amount of ether to be sent with the transaction.
     * @param data The data payload of the transaction.
     */
    event SubmitTransaction(
        address indexed owner,
        uint256 indexed txIndex,
        address indexed to,
        uint256 value,
        bytes data
    );

    /**
     * @dev Emitted when a transaction is confirmed by an owner.
     * @param owner The address of the owner who confirmed the transaction.
     * @param txIndex The index of the transaction in the transactions array.
     */
    event ConfirmTransaction(address indexed owner, uint256 indexed txIndex);

    /**
     * @dev Emitted when a confirmation is revoked by an owner.
     * @param owner The address of the owner who revoked the confirmation.
     * @param txIndex The index of the transaction in the transactions array.
     */
    event RevokeConfirmation(address indexed owner, uint256 indexed txIndex);

    /**
     * @dev Emitted when a transaction is executed.
     * @param owner The address of the owner who executed the transaction.
     * @param txIndex The index of the transaction in the transactions array.
     * @param txData The data returned by the transaction call.
     */
    event ExecuteTransaction(address indexed owner, uint256 indexed txIndex, bytes txData);

    /**
     * @dev Emitted when new owners are added to the contract.
     * @param owners An array of addresses representing the newly added owners.
     */
    event OwnersAdded(address[] owners);

    /**
     * @dev Emitted when owners are removed from the contract.
     * @param owners An array of addresses representing the removed owners.
     */
    event OwnersRemoved(address[] owners);

    /**
     * @dev Emitted when the number of confirmations required is updated.
     * @param newNumConfirmation The new number of confirmations required for a transaction.
     */
    event NumConfirmationUpdated(uint256 newNumConfirmation);


    // Custom error definitions

    /**
     * @dev Error for when the function caller is not an owner.
     */
    error NotAnOwner();

    /**
     * @dev Error for when a transaction ID is invalid (e.g., out of bounds).
     */
    error InvalidTxnId();

    /**
     * @dev Error for when a transaction has already been executed.
     */
    error TxnAlreadyExecuted();

    /**
     * @dev Error for when a transaction has already been confirmed by the caller.
     */
    error TxnAlreadyConfirmed();

    /**
     * @dev Error for when the owners array is empty upon contract creation.
     */
    error OwnersRequired();

    /**
     * @dev Error for when the number of required confirmations is invalid (0 or more than the number of owners).
     */
    error InvalidNumberOfConfirmations();

    /**
     * @dev Error for when an invalid owner address is provided (e.g., zero address).
     */
    error InvalidOwner();

    /**
     * @dev Error for when a duplicate owner address is provided.
     */
    error OwnerNotUnique();

    /**
     * @dev Error for when a transaction does not have enough confirmations to be executed.
     */
    error NotEnoughConfirmation();

    /**
     * @dev Error for when a transaction has not been confirmed by the caller.
     */
    error TransactionNotConfirmed();

    /**
     * @dev Error for when a transaction has already expired.
     */
    error TransactionAlreadyExpired();

    /**
     * @dev Error for when a function is called by an account other than the multisig wallet itself.
     */
    error OnlyMultisigAccountCanCall();

    EnumerableSet.AddressSet private owners;
    uint256 public numConfirmationsRequired;

    // Structure to hold transaction details
    struct Transaction {
        address to; // Transaction target address
        bool executed; // Flag indicating if the transaction has been executed
        uint64 timeout; // Expiry timestamp of the transaction
        uint24 numConfirmations; // Number of confirmations received for the transaction
        uint256 value; // Amount of ether sent with the transaction
        bytes data; // Data payload of the transaction
    }

    // Mapping to track confirmations for each transaction by each owner
    mapping(uint256 transactionIndex => mapping(address owner => bool permissionToExecute)) public isConfirmed;

    // Array to store all transactions
    Transaction[] private transactions;

    // Function to ensure the caller is an owner
    function onlyOwner(address owner) private {
        if (!owners.contains(owner)) 
        revert NotAnOwner();
    }

    // Function to ensure the caller is the multisig contract itself
    function onlyMultiSig() private {
        if (msg.sender != address(this)) {
            revert OnlyMultisigAccountCanCall();
        }
    }

    // Function to check if a transaction exists
    function txExists(uint256 _txIndex) private {
        if (_txIndex >= transactions.length) 
        revert InvalidTxnId();
    }

    // Function to check if a transaction has not been executed
    function notExecuted(uint256 _txIndex) private {
        if (transactions[_txIndex].executed) 
        revert TxnAlreadyExecuted();
    }

    // Function to check if a transaction has not been expired or not
    function txNotExpired(uint256 _txIndex) private {
        if (transactions[_txIndex].timeout < block.timestamp)
            revert TransactionAlreadyExpired();
    }

    // Function to check if a transaction has not been confirmed by the caller
    function notConfirmed(uint256 _txIndex) private {
        if (isConfirmed[_txIndex][msg.sender])  revert TxnAlreadyConfirmed();
    }

    /**
     * @dev Constructor to initialize the contract with initial owners and required confirmations.
     * @param _owners Array of initial owner addresses.
     * @param _numConfirmationsRequired Number of confirmations required for transactions.
     */
    constructor(address[] memory _owners, uint256 _numConfirmationsRequired) {
        if (_owners.length == 0) revert OwnersRequired();
        if (
            _numConfirmationsRequired == 0 ||
            _numConfirmationsRequired > _owners.length
        ) revert InvalidNumberOfConfirmations();

        for (uint256 i = 0; i < _owners.length; i++) {
            address owner = _owners[i];
            if (owner == address(0)) revert InvalidOwner();
            if (owners.contains(owner)) revert OwnerNotUnique();
            owners.add(owner);
        }

        numConfirmationsRequired = _numConfirmationsRequired;
    }

    /**
     * @dev Fallback function to receive ether and emit a deposit event.
     */
    receive() external payable {
        emit Deposit(msg.sender, msg.value, address(this).balance);
    }

    /**
     * @dev Function to submit a new transaction to the wallet.
     * @param _to Address of the contract the transaction is directed to.
     * @param _value Amount of ether to be sent with the transaction.
     * @param _timeoutDuration Duration after which the transaction will get expire.
     * @param _data Data payload of the transaction.
     */
    function submitTransaction(
        address _to,
        uint256 _value,
        uint64 _timeoutDuration,
        bytes memory _data
    ) external payable {
        onlyOwner(msg.sender);
        uint256 txIndex = transactions.length;

        transactions.push(
            Transaction({
                to: _to,
                executed: false,
                timeout: uint64(block.timestamp) + _timeoutDuration,
               //We assume the act of submission is an implicit confirmation
                numConfirmations: 1,
                value: _value,
                data: _data
            })
        );

        isConfirmed[txIndex][msg.sender] = true;

        emit SubmitTransaction(msg.sender, txIndex, _to, _value, _data);
    }

    /**
     * @dev Function to confirm an existing transaction.
     * @param _txIndex Index of the transaction to confirm.
     */
    function confirmTransaction(uint256 _txIndex) public {
        onlyOwner(msg.sender);
        txExists(_txIndex);
        notExecuted(_txIndex);
        notConfirmed(_txIndex);
        txNotExpired(_txIndex);
        Transaction storage transaction = transactions[_txIndex];
        transaction.numConfirmations += 1;
        isConfirmed[_txIndex][msg.sender] = true;

        emit ConfirmTransaction(msg.sender, _txIndex);
    }

    /**
     * @dev Function to execute a confirmed transaction.
     * @param _txIndex Index of the transaction to execute.
     */
    function executeTransaction(uint256 _txIndex) public {
        onlyOwner(msg.sender);
        txExists(_txIndex);
        notExecuted(_txIndex);
        txNotExpired(_txIndex);
        Transaction storage transaction = transactions[_txIndex];
        if (transaction.numConfirmations < numConfirmationsRequired)
            revert NotEnoughConfirmation();
        transaction.executed = true;
        (bool success, bytes memory data) = transaction.to.call{
            value: transaction.value
        }(transaction.data);
        require(success, "tx failed");

        emit ExecuteTransaction(msg.sender, _txIndex, data);
    }

    /**
     * @dev Function to revoke a previously given confirmation for a transaction.
     * @param _txIndex Index of the transaction to revoke confirmation.
     */
    function revokeConfirmation(uint256 _txIndex) external {
        onlyOwner(msg.sender);
        txExists(_txIndex);
        notExecuted(_txIndex);
        txNotExpired(_txIndex);
        if (!isConfirmed[_txIndex][msg.sender]) {
            revert TransactionNotConfirmed();
        }

        Transaction storage transaction = transactions[_txIndex];

        transaction.numConfirmations -= 1;
        isConfirmed[_txIndex][msg.sender] = false;

        emit RevokeConfirmation(msg.sender, _txIndex);
    }

    /**
     * @dev Function to add new owners to the wallet.
     * @param _owners Array of new owner addresses to be added.
     */
    function addOwners(address[] memory _owners) public {
        onlyMultiSig();
        if (_owners.length == 0) revert OwnersRequired();

        address[] memory ownnersToUpdate = new address[](_owners.length);
        uint256 c = 0;

        for (uint256 i = 0; i < _owners.length; i++) {
            address owner = _owners[i];
            if (owner == address(0)) revert InvalidOwner();
            if (!owners.contains(owner)) {
                owners.add(owner);
                ownnersToUpdate[c++] = owner;
            }
        }
        if (c > 0)
        emit OwnersAdded(ownnersToUpdate);
    }

    /**
     * @dev Function to remove existing owners from the wallet.
     * @param _owners Array of existing owner addresses to be removed.
     */
    function removeOwners(address[] memory _owners) public {
        onlyMultiSig();
        if (_owners.length == 0) revert OwnersRequired();
        address[] memory ownnersToUpdate = new address[](_owners.length);
        uint256 c = 0;

        for (uint256 i = 0; i < _owners.length; i++) {
            address owner = _owners[i];
            if (owners.contains(owner)){
                owners.remove(owner);
                ownnersToUpdate[c++] = owner;
            }
        }

        if (owners.length() < numConfirmationsRequired) {
            revert InvalidNumberOfConfirmations();
        }

        if (c > 0)
        emit OwnersRemoved(ownnersToUpdate);
    }

    /**
     * @dev Function to update the number of required confirmations for transactions.
     * @param _numConfirmationsRequired New number of confirmations required for transactions.
     */
    function updateNumConfirmations(uint256 _numConfirmationsRequired) public {
        onlyMultiSig();
        if (
            _numConfirmationsRequired == 0 ||
            _numConfirmationsRequired > owners.length()
        ) revert InvalidNumberOfConfirmations();
        numConfirmationsRequired = _numConfirmationsRequired;
        emit NumConfirmationUpdated(_numConfirmationsRequired);
    }

    /**
     * @dev Function to retrieve the list of current owners of the wallet.
     * @return Array of addresses representing the current owners.
     */
    function getOwners() public view returns (address[] memory) {
        return owners.values();
    }

    /**
     * @dev Function to retrieve the count of transactions submitted to the wallet.
     * @return Total number of transactions in the wallet.
     */
    function getTransactionCount() public view returns (uint256) {
        return transactions.length;
    }

    /**
     * @dev Function to retrieve details of a specific transaction.
     * @param _txIndex Index of the transaction to retrieve details for.
     * @return to Transaction target address.
     * @return value Amount of ether sent with the transaction.
     * @return executed Boolean indicating if the transaction has been executed.
     * @return numConfirmations Number of confirmations received for the transaction.
     * @return timeout Expiry timestamp of the transaction.
     * @return data Data payload of the transaction.
     */
    function getTransaction(
        uint256 _txIndex
    )
        public
        view
        returns (
            address to,
            uint256 value,
            bool executed,
            uint256 numConfirmations,
            uint64 timeout,
            bytes memory data
        )
    {
        Transaction storage transaction = transactions[_txIndex];

        return (
            transaction.to,
            transaction.value,
            transaction.executed,
            transaction.numConfirmations,
            transaction.timeout,
            transaction.data
        );
    }
}

File 2 of 2 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

Settings
{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
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    "runs": 200
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  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
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  "outputSelection": {
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        "abi"
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  },
  "evmVersion": "paris",
  "viaIR": true,
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"address[]","name":"_owners","type":"address[]"},{"internalType":"uint256","name":"_numConfirmationsRequired","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InvalidNumberOfConfirmations","type":"error"},{"inputs":[],"name":"InvalidOwner","type":"error"},{"inputs":[],"name":"InvalidTxnId","type":"error"},{"inputs":[],"name":"NotAnOwner","type":"error"},{"inputs":[],"name":"NotEnoughConfirmation","type":"error"},{"inputs":[],"name":"OnlyMultisigAccountCanCall","type":"error"},{"inputs":[],"name":"OwnerNotUnique","type":"error"},{"inputs":[],"name":"OwnersRequired","type":"error"},{"inputs":[],"name":"TransactionAlreadyExpired","type":"error"},{"inputs":[],"name":"TransactionNotConfirmed","type":"error"},{"inputs":[],"name":"TxnAlreadyConfirmed","type":"error"},{"inputs":[],"name":"TxnAlreadyExecuted","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"uint256","name":"txIndex","type":"uint256"}],"name":"ConfirmTransaction","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"balance","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"uint256","name":"txIndex","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"txData","type":"bytes"}],"name":"ExecuteTransaction","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newNumConfirmation","type":"uint256"}],"name":"NumConfirmationUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"owners","type":"address[]"}],"name":"OwnersAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"owners","type":"address[]"}],"name":"OwnersRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"uint256","name":"txIndex","type":"uint256"}],"name":"RevokeConfirmation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"uint256","name":"txIndex","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"SubmitTransaction","type":"event"},{"inputs":[{"internalType":"address[]","name":"_owners","type":"address[]"}],"name":"addOwners","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_txIndex","type":"uint256"}],"name":"confirmTransaction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_txIndex","type":"uint256"}],"name":"executeTransaction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getOwners","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_txIndex","type":"uint256"}],"name":"getTransaction","outputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bool","name":"executed","type":"bool"},{"internalType":"uint256","name":"numConfirmations","type":"uint256"},{"internalType":"uint64","name":"timeout","type":"uint64"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTransactionCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"transactionIndex","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"isConfirmed","outputs":[{"internalType":"bool","name":"permissionToExecute","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numConfirmationsRequired","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_owners","type":"address[]"}],"name":"removeOwners","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_txIndex","type":"uint256"}],"name":"revokeConfirmation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"},{"internalType":"uint64","name":"_timeoutDuration","type":"uint64"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"submitTransaction","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_numConfirmationsRequired","type":"uint256"}],"name":"updateNumConfirmations","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

ipfs://e24d69710ce5cf9c69f94cf250a18ae996edb852b35ef138d1ccf44950e20cd6

Block Transaction Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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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.