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// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

// import "hardhat/console.sol";
import "@openzeppelin/contracts/utils/Create2.sol";

import "./MultiSigWallet.sol";

//custom errors
error CALLER_NOT_REGISTERED();

contract MultiSigFactory {
    MultiSigWallet[] public multiSigs;
    mapping(address => bool) existsMultiSig;

    event Create2Event(
        uint256 indexed contractId,
        string name,
        address indexed contractAddress,
        address creator,
        address[] owners,
        uint256 signaturesRequired
    );

    event Owners(
        address indexed contractAddress,
        address[] owners,
        uint256 indexed signaturesRequired
    );

    modifier onlyRegistered() {
        if (!existsMultiSig[msg.sender]) {
            revert CALLER_NOT_REGISTERED();
        }
        _;
    }

    function emitOwners(
        address _contractAddress,
        address[] calldata _owners,
        uint256 _signaturesRequired
    ) external onlyRegistered {
        emit Owners(_contractAddress, _owners, _signaturesRequired);
    }

    function numberOfMultiSigs() public view returns (uint256) {
        return multiSigs.length;
    }

    function getMultiSig(uint256 _index)
        public
        view
        returns (
            address multiSigAddress,
            uint256 signaturesRequired,
            uint256 balance
        )
    {
        MultiSigWallet multiSig = multiSigs[_index];
        return (
            address(multiSig),
            multiSig.signaturesRequired(),
            address(multiSig).balance
        );
    }

    function create2(
        uint256 _chainId,
        address[] calldata _owners,
        uint256 _signaturesRequired,
        string calldata _name
    ) public payable {
        uint256 id = numberOfMultiSigs();

        bytes32 _salt = keccak256(
            abi.encodePacked(abi.encode(_name, address(msg.sender)))
        );

        /**----------------------
         * create2 implementation
         * ---------------------*/
        address multiSig_address = payable(
            Create2.deploy(
                msg.value,
                _salt,
                abi.encodePacked(
                    type(MultiSigWallet).creationCode,
                    abi.encode(_name, address(this))
                )
            )
        );

        MultiSigWallet multiSig = MultiSigWallet(payable(multiSig_address));

        /**----------------------
         * init remaining values
         * ---------------------*/
        multiSig.init(_chainId, _owners, _signaturesRequired);

        multiSigs.push(multiSig);
        existsMultiSig[address(multiSig_address)] = true;

        emit Create2Event(
            id,
            _name,
            address(multiSig),
            msg.sender,
            _owners,
            _signaturesRequired
        );
        emit Owners(address(multiSig), _owners, _signaturesRequired);
    }

    /**----------------------
     * get a pre-computed address
     * ---------------------*/
    function computedAddress(string calldata _name)
        public
        view
        returns (address)
    {
        bytes32 bytecodeHash = keccak256(
            abi.encodePacked(
                type(MultiSigWallet).creationCode,
                abi.encode(_name, address(this))
            )
        );

        bytes32 _salt = keccak256(
            abi.encodePacked(abi.encode(_name, address(msg.sender)))
        );
        address computed_address = Create2.computeAddress(_salt, bytecodeHash);

        return computed_address;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Create2.sol)

pragma solidity ^0.8.0;

/**
 * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
 * `CREATE2` can be used to compute in advance the address where a smart
 * contract will be deployed, which allows for interesting new mechanisms known
 * as 'counterfactual interactions'.
 *
 * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
 * information.
 */
library Create2 {
    /**
     * @dev Deploys a contract using `CREATE2`. The address where the contract
     * will be deployed can be known in advance via {computeAddress}.
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * Requirements:
     *
     * - `bytecode` must not be empty.
     * - `salt` must have not been used for `bytecode` already.
     * - the factory must have a balance of at least `amount`.
     * - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
     */
    function deploy(
        uint256 amount,
        bytes32 salt,
        bytes memory bytecode
    ) internal returns (address) {
        address addr;
        require(address(this).balance >= amount, "Create2: insufficient balance");
        require(bytecode.length != 0, "Create2: bytecode length is zero");
        assembly {
            addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
        }
        require(addr != address(0), "Create2: Failed on deploy");
        return addr;
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the
     * `bytecodeHash` or `salt` will result in a new destination address.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash) internal view returns (address) {
        return computeAddress(salt, bytecodeHash, address(this));
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at
     * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}.
     */
    function computeAddress(
        bytes32 salt,
        bytes32 bytecodeHash,
        address deployer
    ) internal pure returns (address) {
        bytes32 _data = keccak256(abi.encodePacked(bytes1(0xff), deployer, salt, bytecodeHash));
        return address(uint160(uint256(_data)));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

// never forget the OG simple sig wallet: https://github.com/christianlundkvist/simple-multisig/blob/master/contracts/SimpleMultiSig.sol

pragma experimental ABIEncoderV2;
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "./MultiSigFactory.sol";

//custom errors
error DUPLICATE_OR_UNORDERED_SIGNATURES();
error INVALID_OWNER();
error INVALID_SIGNER();
error INVALID_SIGNATURES_REQUIRED();
error INSUFFICIENT_VALID_SIGNATURES();
error NOT_ENOUGH_SIGNERS();
error NOT_OWNER();
error NOT_SELF();
error NOT_FACTORY();
error TX_FAILED();

contract MultiSigWallet {
    using ECDSA for bytes32;
    MultiSigFactory private multiSigFactory;
    uint256 public constant factoryVersion = 1; // <---- set the factory version for backword compatiblity for future contract updates

    event Deposit(address indexed sender, uint256 amount, uint256 balance);
    event ExecuteTransaction(
        address indexed owner,
        address payable to,
        uint256 value,
        bytes data,
        uint256 nonce,
        bytes32 hash,
        bytes result
    );
    event Owner(address indexed owner, bool added);

    mapping(address => bool) public isOwner;

    address[] public owners;

    uint256 public signaturesRequired;
    uint256 public nonce;
    uint256 public chainId;
    string public name;

    modifier onlyOwner() {
        if (!isOwner[msg.sender]) {
            revert NOT_OWNER();
        }
        _;
    }

    modifier onlySelf() {
        if (msg.sender != address(this)) {
            revert NOT_SELF();
        }
        _;
    }

    modifier onlyValidSignaturesRequired() {
        _;
        if (signaturesRequired == 0) {
            revert INVALID_SIGNATURES_REQUIRED();
        }
        if (owners.length < signaturesRequired) {
            revert NOT_ENOUGH_SIGNERS();
        }
    }
    modifier onlyFactory() {
        if (msg.sender != address(multiSigFactory)) {
            revert NOT_FACTORY();
        }
        _;
    }

    constructor(string memory _name, address _factory) payable {
        name = _name;
        multiSigFactory = MultiSigFactory(_factory);
    }

    function init(
        uint256 _chainId,
        address[] calldata _owners,
        uint256 _signaturesRequired
    ) public payable onlyFactory onlyValidSignaturesRequired {
        signaturesRequired = _signaturesRequired;
        for (uint256 i = 0; i < _owners.length; ) {
            address owner = _owners[i];
            if (owner == address(0) || isOwner[owner]) {
                revert INVALID_OWNER();
            }
            isOwner[owner] = true;
            owners.push(owner);

            emit Owner(owner, isOwner[owner]);
            unchecked {
                ++i;
            }
        }

        chainId = _chainId;
    }

    function addSigner(address newSigner, uint256 newSignaturesRequired)
        public
        onlySelf
        onlyValidSignaturesRequired
    {
        if (newSigner == address(0) || isOwner[newSigner]) {
            revert INVALID_SIGNER();
        }

        isOwner[newSigner] = true;
        owners.push(newSigner);
        signaturesRequired = newSignaturesRequired;

        emit Owner(newSigner, isOwner[newSigner]);
        multiSigFactory.emitOwners(
            address(this),
            owners,
            newSignaturesRequired
        );
    }

    function removeSigner(address oldSigner, uint256 newSignaturesRequired)
        public
        onlySelf
        onlyValidSignaturesRequired
    {
        if (!isOwner[oldSigner]) {
            revert NOT_OWNER();
        }

        _removeOwner(oldSigner);
        signaturesRequired = newSignaturesRequired;

        emit Owner(oldSigner, isOwner[oldSigner]);
        multiSigFactory.emitOwners(
            address(this),
            owners,
            newSignaturesRequired
        );
    }

    function _removeOwner(address _oldSigner) private {
        isOwner[_oldSigner] = false;
        uint256 ownersLength = owners.length;
        address[] memory poppedOwners = new address[](owners.length);
        for (uint256 i = ownersLength - 1; i >= 0; ) {
            if (owners[i] != _oldSigner) {
                poppedOwners[i] = owners[i];
                owners.pop();
            } else {
                owners.pop();
                for (uint256 j = i; j < ownersLength - 1; ) {
                    owners.push(poppedOwners[j + 1]); // shout out to moltam89!! https://github.com/austintgriffith/maas/pull/2/commits/e981c5fa5b4d25a1f0946471b876f9a002a9a82b
                    unchecked {
                        ++j;
                    }
                }
                return;
            }
            unchecked {
                --i;
            }
        }
    }

    function updateSignaturesRequired(uint256 newSignaturesRequired)
        public
        onlySelf
        onlyValidSignaturesRequired
    {
        signaturesRequired = newSignaturesRequired;
    }

    function executeTransaction(
        address payable to,
        uint256 value,
        bytes calldata data,
        bytes[] calldata signatures
    ) public onlyOwner returns (bytes memory) {
        bytes32 _hash = getTransactionHash(nonce, to, value, data);

        nonce++;

        uint256 validSignatures;
        address duplicateGuard;
        for (uint256 i = 0; i < signatures.length; ) {
            address recovered = recover(_hash, signatures[i]);
            if (recovered <= duplicateGuard) {
                revert DUPLICATE_OR_UNORDERED_SIGNATURES();
            }
            duplicateGuard = recovered;

            if (isOwner[recovered]) {
                validSignatures++;
            }
            unchecked {
                ++i;
            }
        }

        if (validSignatures < signaturesRequired) {
            revert INSUFFICIENT_VALID_SIGNATURES();
        }

        (bool success, bytes memory result) = to.call{value: value}(data);
        if (!success) {
            revert TX_FAILED();
        }

        emit ExecuteTransaction(
            msg.sender,
            to,
            value,
            data,
            nonce - 1,
            _hash,
            result
        );
        return result;
    }

    function getTransactionHash(
        uint256 _nonce,
        address to,
        uint256 value,
        bytes calldata data
    ) public view returns (bytes32) {
        return
            keccak256(
                abi.encodePacked(
                    address(this),
                    chainId,
                    _nonce,
                    to,
                    value,
                    data
                )
            );
    }

    function recover(bytes32 _hash, bytes calldata _signature)
        public
        pure
        returns (address)
    {
        return _hash.toEthSignedMessageHash().recover(_signature);
    }

    receive() external payable {
        emit Deposit(msg.sender, msg.value, address(this).balance);
    }

    function numberOfOwners() public view returns (uint256) {
        return owners.length;
    }
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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[{"inputs":[],"name":"CALLER_NOT_REGISTERED","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"contractId","type":"uint256"},{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":true,"internalType":"address","name":"contractAddress","type":"address"},{"indexed":false,"internalType":"address","name":"creator","type":"address"},{"indexed":false,"internalType":"address[]","name":"owners","type":"address[]"},{"indexed":false,"internalType":"uint256","name":"signaturesRequired","type":"uint256"}],"name":"Create2Event","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"contractAddress","type":"address"},{"indexed":false,"internalType":"address[]","name":"owners","type":"address[]"},{"indexed":true,"internalType":"uint256","name":"signaturesRequired","type":"uint256"}],"name":"Owners","type":"event"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"computedAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"address[]","name":"_owners","type":"address[]"},{"internalType":"uint256","name":"_signaturesRequired","type":"uint256"},{"internalType":"string","name":"_name","type":"string"}],"name":"create2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_contractAddress","type":"address"},{"internalType":"address[]","name":"_owners","type":"address[]"},{"internalType":"uint256","name":"_signaturesRequired","type":"uint256"}],"name":"emitOwners","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"getMultiSig","outputs":[{"internalType":"address","name":"multiSigAddress","type":"address"},{"internalType":"uint256","name":"signaturesRequired","type":"uint256"},{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"multiSigs","outputs":[{"internalType":"contract MultiSigWallet","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numberOfMultiSigs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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