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// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.17;

import { IStream } from "./IStream.sol";
import { IERC20 } from "openzeppelin-contracts/interfaces/IERC20.sol";
import { SafeERC20 } from "openzeppelin-contracts/token/ERC20/utils/SafeERC20.sol";
import { LibClone } from "solady/utils/LibClone.sol";

/**
 * @title Stream Factory
 * @notice Creates minimal clones of `Stream`.
 * The cloning approach enables delayed funding of streams, which is useful for payers who acquire tokens for streams
 * asynchronously, e.g. by using https://github.com/nounsDAO/token-buyer.
 * Each stream in its own contract is better than multiple streams in one contract, in the case of delayed funding
 * because it avoid the problem of recipients competing for the same funds.
 * @dev Uses `LibClone` which creates clones with immutable arguments written into the clone's code section; this
 * approach provides significant gas savings.
 */
contract StreamFactory {
    using LibClone for address;
    using SafeERC20 for IERC20;

    /**
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     *   ERRORS
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     */

    error PayerIsAddressZero();
    error RecipientIsAddressZero();
    error TokenAmountIsZero();
    error DurationMustBePositive();
    error UnexpectedStreamAddress();
    error StopTimeNotInTheFuture();

    /**
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     *   EVENTS
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     */

    /// @dev msgSender is part of the event to enable event indexing with which account performed this action.
    event StreamCreated(
        address indexed msgSender,
        address indexed payer,
        address indexed recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime,
        address streamAddress
    );

    /**
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     *   IMMUTABLES
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     */

    /// @notice The address of the Stream implementation to use when creating Stream clones.
    address public immutable streamImplementation;

    /**
     * @param _streamImplementation the address of the Stream implementation to use when creating Stream clones.
     */
    constructor(address _streamImplementation) {
        streamImplementation = _streamImplementation;
    }

    /**
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     *   EXTERNAL TXS
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     */

    /**
     * @notice Create a new stream contract instance.
     * The payer is assumed to be `msg.sender`.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the stream start timestamp in seconds.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     */
    function createStream(
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime
    ) external returns (address) {
        return createStream(
            msg.sender, recipient, tokenAmount, tokenAddress, startTime, stopTime, 0
        );
    }

    /**
     * @notice Create a new stream contract instance, and fully fund it.
     * The payer is assumed to be `msg.sender`.
     * `msg.sender` must approve this contract to spend at least `tokenAmount`, otherwise the transaction
     * will revert.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     * @return stream the address of the new stream contract.
     */
    function createAndFundStream(
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime
    ) external returns (address stream) {
        stream =
            createStream(msg.sender, recipient, tokenAmount, tokenAddress, startTime, stopTime, 0);
        IERC20(tokenAddress).safeTransferFrom(msg.sender, stream, tokenAmount);
    }

    /**
     * @notice Create a new stream contract instance.
     * @param payer the account responsible for funding the stream.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     * @return stream the address of the new stream contract.
     */
    function createStream(
        address payer,
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime
    ) external returns (address) {
        return createStream(payer, recipient, tokenAmount, tokenAddress, startTime, stopTime, 0);
    }

    /**
     * @notice Create a new stream contract instance, and verify the new stream address matches expectations from
     * using `predictStreamAddress`.
     * The payer is assumed to be `msg.sender`.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     * @param nonce the nonce for this stream creation.
     * @param predictedStreamAddress the expected stream address the user got from calling the predict function.
     * @return stream the address of the new stream contract.
     */
    function createStream(
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime,
        uint8 nonce,
        address predictedStreamAddress
    ) external returns (address stream) {
        stream = createStream(
            msg.sender, recipient, tokenAmount, tokenAddress, startTime, stopTime, nonce
        );
        if (stream != predictedStreamAddress) revert UnexpectedStreamAddress();
    }

    /**
     * @notice Create a new stream contract instance.
     * This version allows you to specify an additional `nonce` in case payer wants to create multiple streams
     * with the same parameters. In all other versions nonce is zero.
     * @dev The added nonce helps payer avoid stream contract address collisions among streams where all other
     * parameters are identical.
     * @param payer the account responsible for funding the stream.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     * @param nonce the nonce for this stream creation.
     * @return stream the address of the new stream contract.
     */
    function createStream(
        address payer,
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime,
        uint8 nonce
    ) public returns (address stream) {
        // These input checks are here rather than in Stream because these parameters are written
        // using clone-with-immutable-args, meaning they are already set when Stream is created and can't be
        // verified there. The main benefit of this approach is significant gas savings.
        if (payer == address(0)) revert PayerIsAddressZero();
        if (recipient == address(0)) revert RecipientIsAddressZero();
        if (tokenAmount == 0) revert TokenAmountIsZero();
        if (stopTime <= startTime) revert DurationMustBePositive();
        if (stopTime <= block.timestamp) revert StopTimeNotInTheFuture();

        stream = streamImplementation.cloneDeterministic(
            encodeData(payer, recipient, tokenAmount, tokenAddress, startTime, stopTime),
            salt(
                msg.sender, payer, recipient, tokenAmount, tokenAddress, startTime, stopTime, nonce
            )
        );
        IStream(stream).initialize();

        emit StreamCreated(
            msg.sender, payer, recipient, tokenAmount, tokenAddress, startTime, stopTime, stream
            );
    }

    /**
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     *   VIEW FUNCTIONS
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     */

    /**
     * @notice Get the expected contract address of a stream created with the provided parameters.
     * @param msgSender the expected `msg.sender` to create the stream.
     * @param payer the account responsible for funding the stream.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     */
    function predictStreamAddress(
        address msgSender,
        address payer,
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime
    ) external view returns (address) {
        return predictStreamAddress(
            msgSender, payer, recipient, tokenAmount, tokenAddress, startTime, stopTime, 0
        );
    }

    /**
     * @notice Get the expected contract address of a stream created with the provided parameters.
     * Use this version when creating streams with a non-zero `nonce`. Should only be used on the rare occasion
     * when a payer wants to create multiple streams with identical parameters.
     * @param msgSender the expected `msg.sender` to create the stream.
     * @param payer the account responsible for funding the stream.
     * @param recipient the recipient of the stream.
     * @param tokenAmount the total token amount payer is streaming to recipient.
     * @param tokenAddress the contract address of the payment token.
     * @param startTime the unix timestamp for when the stream starts.
     * @param stopTime the unix timestamp for when the stream ends.
     * @param nonce the nonce for this stream creation.
     */
    function predictStreamAddress(
        address msgSender,
        address payer,
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime,
        uint8 nonce
    ) public view returns (address) {
        return streamImplementation.predictDeterministicAddress(
            encodeData(payer, recipient, tokenAmount, tokenAddress, startTime, stopTime),
            salt(msgSender, payer, recipient, tokenAmount, tokenAddress, startTime, stopTime, nonce),
            address(this)
        );
    }

    /**
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     *   INTERNAL FUNCTIONS
     * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
     */

    /**
     * @dev Encodes Stream's immutable arguments, as expected by LibClone, and in the order `Stream` uses to read
     * their values. Any change here should result in a change in how `Stream` reads these arguments.
     */
    function encodeData(
        address payer,
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime
    ) internal view returns (bytes memory) {
        return abi.encodePacked(
            address(this), payer, recipient, tokenAmount, tokenAddress, startTime, stopTime
        );
    }

    /**
     * @dev Generates the salt for `cloneDeterministic` and `predictDeterministicAddress`; salt is the unique input
     * per Stream that results in each Stream instance having its unique address.
     * For more info look into `LibClone` and how the `create2` opcode work.
     */
    function salt(
        address msgSender,
        address payer,
        address recipient,
        uint256 tokenAmount,
        address tokenAddress,
        uint256 startTime,
        uint256 stopTime,
        uint8 nonce
    ) internal pure returns (bytes32) {
        return keccak256(
            abi.encodePacked(
                msgSender, payer, recipient, tokenAmount, tokenAddress, startTime, stopTime, nonce
            )
        );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Minimal proxy library.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibClone.sol)
/// @author Minimal proxy by 0age (https://github.com/0age)
/// @author Clones with immutable args by wighawag, zefram.eth, Saw-mon & Natalie
/// (https://github.com/Saw-mon-and-Natalie/clones-with-immutable-args)
///
/// @dev Minimal proxy:
/// Although the sw0nt pattern saves 5 gas over the erc-1167 pattern during runtime,
/// it is not supported out-of-the-box on Etherscan. Hence, we choose to use the 0age pattern,
/// which saves 4 gas over the erc-1167 pattern during runtime, and has the smallest bytecode.
///
/// @dev Clones with immutable args (CWIA):
/// The implementation of CWIA here implements a `receive()` method that emits the
/// `ReceiveETH(uint256)` event. This skips the `DELEGATECALL` when there is no calldata,
/// enabling us to accept hard gas-capped `sends` & `transfers` for maximum backwards
/// composability. The minimal proxy implementation does not offer this feature.
library LibClone {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Unable to deploy the clone.
    error DeploymentFailed();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  MINIMAL PROXY OPERATIONS                  */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Deploys a clone of `implementation`.
    function clone(address implementation) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            /**
             * --------------------------------------------------------------------------+
             * CREATION (9 bytes)                                                        |
             * --------------------------------------------------------------------------|
             * Opcode     | Mnemonic          | Stack     | Memory                       |
             * --------------------------------------------------------------------------|
             * 60 runSize | PUSH1 runSize     | r         |                              |
             * 3d         | RETURNDATASIZE    | 0 r       |                              |
             * 81         | DUP2              | r 0 r     |                              |
             * 60 offset  | PUSH1 offset      | o r 0 r   |                              |
             * 3d         | RETURNDATASIZE    | 0 o r 0 r |                              |
             * 39         | CODECOPY          | 0 r       | [0..runSize): runtime code   |
             * f3         | RETURN            |           | [0..runSize): runtime code   |
             * --------------------------------------------------------------------------|
             * RUNTIME (44 bytes)                                                        |
             * --------------------------------------------------------------------------|
             * Opcode  | Mnemonic       | Stack                  | Memory                |
             * --------------------------------------------------------------------------|
             *                                                                           |
             * ::: keep some values in stack ::::::::::::::::::::::::::::::::::::::::::: |
             * 3d      | RETURNDATASIZE | 0                      |                       |
             * 3d      | RETURNDATASIZE | 0 0                    |                       |
             * 3d      | RETURNDATASIZE | 0 0 0                  |                       |
             * 3d      | RETURNDATASIZE | 0 0 0 0                |                       |
             *                                                                           |
             * ::: copy calldata to memory ::::::::::::::::::::::::::::::::::::::::::::: |
             * 36      | CALLDATASIZE   | cds 0 0 0 0            |                       |
             * 3d      | RETURNDATASIZE | 0 cds 0 0 0 0          |                       |
             * 3d      | RETURNDATASIZE | 0 0 cds 0 0 0 0        |                       |
             * 37      | CALLDATACOPY   | 0 0 0 0                | [0..cds): calldata    |
             *                                                                           |
             * ::: delegate call to the implementation contract :::::::::::::::::::::::: |
             * 36      | CALLDATASIZE   | cds 0 0 0 0            | [0..cds): calldata    |
             * 3d      | RETURNDATASIZE | 0 cds 0 0 0 0          | [0..cds): calldata    |
             * 73 addr | PUSH20 addr    | addr 0 cds 0 0 0 0     | [0..cds): calldata    |
             * 5a      | GAS            | gas addr 0 cds 0 0 0 0 | [0..cds): calldata    |
             * f4      | DELEGATECALL   | success 0 0            | [0..cds): calldata    |
             *                                                                           |
             * ::: copy return data to memory :::::::::::::::::::::::::::::::::::::::::: |
             * 3d      | RETURNDATASIZE | rds success 0 0        | [0..cds): calldata    |
             * 3d      | RETURNDATASIZE | rds rds success 0 0    | [0..cds): calldata    |
             * 93      | SWAP4          | 0 rds success 0 rds    | [0..cds): calldata    |
             * 80      | DUP1           | 0 0 rds success 0 rds  | [0..cds): calldata    |
             * 3e      | RETURNDATACOPY | success 0 rds          | [0..rds): returndata  |
             *                                                                           |
             * 60 0x2a | PUSH1 0x2a     | 0x2a success 0 rds     | [0..rds): returndata  |
             * 57      | JUMPI          | 0 rds                  | [0..rds): returndata  |
             *                                                                           |
             * ::: revert :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * fd      | REVERT         |                        | [0..rds): returndata  |
             *                                                                           |
             * ::: return :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 5b      | JUMPDEST       | 0 rds                  | [0..rds): returndata  |
             * f3      | RETURN         |                        | [0..rds): returndata  |
             * --------------------------------------------------------------------------+
             */

            mstore(0x21, 0x5af43d3d93803e602a57fd5bf3)
            mstore(0x14, implementation)
            mstore(0x00, 0x602c3d8160093d39f33d3d3d3d363d3d37363d73)
            instance := create(0, 0x0c, 0x35)
            // Restore the part of the free memory pointer that has been overwritten.
            mstore(0x21, 0)
            // If `instance` is zero, revert.
            if iszero(instance) {
                // Store the function selector of `DeploymentFailed()`.
                mstore(0x00, 0x30116425)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Deploys a deterministic clone of `implementation` with `salt`.
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x21, 0x5af43d3d93803e602a57fd5bf3)
            mstore(0x14, implementation)
            mstore(0x00, 0x602c3d8160093d39f33d3d3d3d363d3d37363d73)
            instance := create2(0, 0x0c, 0x35, salt)
            // Restore the part of the free memory pointer that has been overwritten.
            mstore(0x21, 0)
            // If `instance` is zero, revert.
            if iszero(instance) {
                // Store the function selector of `DeploymentFailed()`.
                mstore(0x00, 0x30116425)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Returns the address of the deterministic clone of `implementation`,
    /// with `salt` by `deployer`.
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x21, 0x5af43d3d93803e602a57fd5bf3)
            mstore(0x14, implementation)
            // prettier-ignore
            mstore(0x00, 0xff0000000000000000000000602c3d8160093d39f33d3d3d3d363d3d37363d73)
            // Compute and store the bytecode hash.
            mstore(0x35, keccak256(0x0c, 0x35))
            mstore(0x01, shl(96, deployer))
            mstore(0x15, salt)
            predicted := keccak256(0x00, 0x55)
            // Restore the part of the free memory pointer that has been overwritten.
            mstore(0x35, 0)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*           CLONES WITH IMMUTABLE ARGS OPERATIONS            */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Deploys a minimal proxy with `implementation`,
    /// using immutable arguments encoded in `data`.
    function clone(address implementation, bytes memory data) internal returns (address instance) {
        assembly {
            // Compute the boundaries of the data and cache the memory slots around it.
            let mBefore3 := mload(sub(data, 0x60))
            let mBefore2 := mload(sub(data, 0x40))
            let mBefore1 := mload(sub(data, 0x20))
            let dataLength := mload(data)
            let dataEnd := add(add(data, 0x20), dataLength)
            let mAfter1 := mload(dataEnd)

            // +2 bytes for telling how much data there is appended to the call.
            let extraLength := add(dataLength, 2)
            // The `creationSize` is `extraLength + 108`
            // The `runSize` is `creationSize - 10`.

            /**
             * ---------------------------------------------------------------------------------------------------+
             * CREATION (10 bytes)                                                                                |
             * ---------------------------------------------------------------------------------------------------|
             * Opcode     | Mnemonic          | Stack     | Memory                                                |
             * ---------------------------------------------------------------------------------------------------|
             * 61 runSize | PUSH2 runSize     | r         |                                                       |
             * 3d         | RETURNDATASIZE    | 0 r       |                                                       |
             * 81         | DUP2              | r 0 r     |                                                       |
             * 60 offset  | PUSH1 offset      | o r 0 r   |                                                       |
             * 3d         | RETURNDATASIZE    | 0 o r 0 r |                                                       |
             * 39         | CODECOPY          | 0 r       | [0..runSize): runtime code                            |
             * f3         | RETURN            |           | [0..runSize): runtime code                            |
             * ---------------------------------------------------------------------------------------------------|
             * RUNTIME (98 bytes + extraLength)                                                                   |
             * ---------------------------------------------------------------------------------------------------|
             * Opcode   | Mnemonic       | Stack                    | Memory                                      |
             * ---------------------------------------------------------------------------------------------------|
             *                                                                                                    |
             * ::: if no calldata, emit event & return w/o `DELEGATECALL` ::::::::::::::::::::::::::::::::::::::: |
             * 36       | CALLDATASIZE   | cds                      |                                             |
             * 60 0x2c  | PUSH1 0x2c     | 0x2c cds                 |                                             |
             * 57       | JUMPI          |                          |                                             |
             * 34       | CALLVALUE      | cv                       |                                             |
             * 3d       | RETURNDATASIZE | 0 cv                     |                                             |
             * 52       | MSTORE         |                          | [0..0x20): callvalue                        |
             * 7f sig   | PUSH32 0x9e..  | sig                      | [0..0x20): callvalue                        |
             * 59       | MSIZE          | 0x20 sig                 | [0..0x20): callvalue                        |
             * 3d       | RETURNDATASIZE | 0 0x20 sig               | [0..0x20): callvalue                        |
             * a1       | LOG1           |                          | [0..0x20): callvalue                        |
             * 00       | STOP           |                          | [0..0x20): callvalue                        |
             * 5b       | JUMPDEST       |                          |                                             |
             *                                                                                                    |
             * ::: copy calldata to memory :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 36       | CALLDATASIZE   | cds                      |                                             |
             * 3d       | RETURNDATASIZE | 0 cds                    |                                             |
             * 3d       | RETURNDATASIZE | 0 0 cds                  |                                             |
             * 37       | CALLDATACOPY   |                          | [0..cds): calldata                          |
             *                                                                                                    |
             * ::: keep some values in stack :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 3d       | RETURNDATASIZE | 0                        | [0..cds): calldata                          |
             * 3d       | RETURNDATASIZE | 0 0                      | [0..cds): calldata                          |
             * 3d       | RETURNDATASIZE | 0 0 0                    | [0..cds): calldata                          |
             * 3d       | RETURNDATASIZE | 0 0 0 0                  | [0..cds): calldata                          |
             * 61 extra | PUSH2 extra    | e 0 0 0 0                | [0..cds): calldata                          |
             *                                                                                                    |
             * ::: copy extra data to memory :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 80       | DUP1           | e e 0 0 0 0              | [0..cds): calldata                          |
             * 60 0x62  | PUSH1 0x62     | 0x62 e e 0 0 0 0         | [0..cds): calldata                          |
             * 36       | CALLDATASIZE   | cds 0x62 e e 0 0 0 0     | [0..cds): calldata                          |
             * 39       | CODECOPY       | e 0 0 0 0                | [0..cds): calldata, [cds..cds+e): extraData |
             *                                                                                                    |
             * ::: delegate call to the implementation contract ::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 36       | CALLDATASIZE   | cds e 0 0 0 0            | [0..cds): calldata, [cds..cds+e): extraData |
             * 01       | ADD            | cds+e 0 0 0 0            | [0..cds): calldata, [cds..cds+e): extraData |
             * 3d       | RETURNDATASIZE | 0 cds+e 0 0 0 0          | [0..cds): calldata, [cds..cds+e): extraData |
             * 73 addr  | PUSH20 addr    | addr 0 cds+e 0 0 0 0     | [0..cds): calldata, [cds..cds+e): extraData |
             * 5a       | GAS            | gas addr 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData |
             * f4       | DELEGATECALL   | success 0 0              | [0..cds): calldata, [cds..cds+e): extraData |
             *                                                                                                    |
             * ::: copy return data to memory ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 3d       | RETURNDATASIZE | rds success 0 0          | [0..cds): calldata, [cds..cds+e): extraData |
             * 3d       | RETURNDATASIZE | rds rds success 0 0      | [0..cds): calldata, [cds..cds+e): extraData |
             * 93       | SWAP4          | 0 rds success 0 rds      | [0..cds): calldata, [cds..cds+e): extraData |
             * 80       | DUP1           | 0 0 rds success 0 rds    | [0..cds): calldata, [cds..cds+e): extraData |
             * 3e       | RETURNDATACOPY | success 0 rds            | [0..rds): returndata                        |
             *                                                                                                    |
             * 60 0x60  | PUSH1 0x60     | 0x60 success 0 rds       | [0..rds): returndata                        |
             * 57       | JUMPI          | 0 rds                    | [0..rds): returndata                        |
             *                                                                                                    |
             * ::: revert ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * fd       | REVERT         |                          | [0..rds): returndata                        |
             *                                                                                                    |
             * ::: return ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: |
             * 5b       | JUMPDEST       | 0 rds                    | [0..rds): returndata                        |
             * f3       | RETURN         |                          | [0..rds): returndata                        |
             * ---------------------------------------------------------------------------------------------------+
             */
            // Write the bytecode before the data.
            mstore(data, 0x5af43d3d93803e606057fd5bf3)
            // Write the address of the implementation.
            mstore(sub(data, 0x0d), implementation)
            // Write the rest of the bytecode.
            mstore(sub(data, 0x21), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73))
            // `keccak256("ReceiveETH(uint256)")`
            mstore(sub(data, 0x3a), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff)
            mstore(sub(data, 0x5a), or(shl(0x78, add(extraLength, 0x62)), 0x6100003d81600a3d39f336602c57343d527f))
            mstore(dataEnd, shl(0xf0, extraLength))

            // Create the instance.
            instance := create(0, sub(data, 0x4c), add(extraLength, 0x6c))

            // If `instance` is zero, revert.
            if iszero(instance) {
                // Store the function selector of `DeploymentFailed()`.
                mstore(0x00, 0x30116425)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            // Restore the overwritten memory surrounding `data`.
            mstore(dataEnd, mAfter1)
            mstore(data, dataLength)
            mstore(sub(data, 0x20), mBefore1)
            mstore(sub(data, 0x40), mBefore2)
            mstore(sub(data, 0x60), mBefore3)
        }
    }

    /// @dev Deploys a deterministic clone of `implementation`,
    /// using immutable arguments encoded in `data`, with `salt`.
    function cloneDeterministic(
        address implementation,
        bytes memory data,
        bytes32 salt
    ) internal returns (address instance) {
        assembly {
            // Compute the boundaries of the data and cache the memory slots around it.
            let mBefore3 := mload(sub(data, 0x60))
            let mBefore2 := mload(sub(data, 0x40))
            let mBefore1 := mload(sub(data, 0x20))
            let dataLength := mload(data)
            let dataEnd := add(add(data, 0x20), dataLength)
            let mAfter1 := mload(dataEnd)

            // +2 bytes for telling how much data there is appended to the call.
            let extraLength := add(dataLength, 2)

            // Write the bytecode before the data.
            mstore(data, 0x5af43d3d93803e606057fd5bf3)
            // Write the address of the implementation.
            mstore(sub(data, 0x0d), implementation)
            // Write the rest of the bytecode.
            mstore(sub(data, 0x21), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73))
            // `keccak256("ReceiveETH(uint256)")`
            mstore(sub(data, 0x3a), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff)
            mstore(sub(data, 0x5a), or(shl(0x78, add(extraLength, 0x62)), 0x6100003d81600a3d39f336602c57343d527f))
            mstore(dataEnd, shl(0xf0, extraLength))

            // Create the instance.
            instance := create2(0, sub(data, 0x4c), add(extraLength, 0x6c), salt)

            // If `instance` is zero, revert.
            if iszero(instance) {
                // Store the function selector of `DeploymentFailed()`.
                mstore(0x00, 0x30116425)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            // Restore the overwritten memory surrounding `data`.
            mstore(dataEnd, mAfter1)
            mstore(data, dataLength)
            mstore(sub(data, 0x20), mBefore1)
            mstore(sub(data, 0x40), mBefore2)
            mstore(sub(data, 0x60), mBefore3)
        }
    }

    /// @dev Returns the address of the deterministic clone of
    /// `implementation` using immutable arguments encoded in `data`, with `salt`, by `deployer`.
    function predictDeterministicAddress(
        address implementation,
        bytes memory data,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        assembly {
            // Compute the boundaries of the data and cache the memory slots around it.
            let mBefore3 := mload(sub(data, 0x60))
            let mBefore2 := mload(sub(data, 0x40))
            let mBefore1 := mload(sub(data, 0x20))
            let dataLength := mload(data)
            let dataEnd := add(add(data, 0x20), dataLength)
            let mAfter1 := mload(dataEnd)

            // +2 bytes for telling how much data there is appended to the call.
            let extraLength := add(dataLength, 2)

            // Write the bytecode before the data.
            mstore(data, 0x5af43d3d93803e606057fd5bf3)
            // Write the address of the implementation.
            mstore(sub(data, 0x0d), implementation)
            // Write the rest of the bytecode.
            mstore(sub(data, 0x21), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73))
            // `keccak256("ReceiveETH(uint256)")`
            mstore(sub(data, 0x3a), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff)
            mstore(sub(data, 0x5a), or(shl(0x78, add(extraLength, 0x62)), 0x6100003d81600a3d39f336602c57343d527f))
            mstore(dataEnd, shl(0xf0, extraLength))

            // Compute and store the bytecode hash.
            mstore(0x35, keccak256(sub(data, 0x4c), add(extraLength, 0x6c)))
            mstore8(0x00, 0xff) // Write the prefix.
            mstore(0x01, shl(96, deployer))
            mstore(0x15, salt)
            predicted := keccak256(0x00, 0x55)
            // Restore the part of the free memory pointer that has been overwritten.
            mstore(0x35, 0)

            // Restore the overwritten memory surrounding `data`.
            mstore(dataEnd, mAfter1)
            mstore(data, dataLength)
            mstore(sub(data, 0x20), mBefore1)
            mstore(sub(data, 0x40), mBefore2)
            mstore(sub(data, 0x60), mBefore3)
        }
    }
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.17;

interface IStream {
    function initialize() external;

    function withdraw(uint256 amount) external;
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "solady/=lib/solady/src/",
    "solmate/=lib/solady/lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_streamImplementation","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"DurationMustBePositive","type":"error"},{"inputs":[],"name":"PayerIsAddressZero","type":"error"},{"inputs":[],"name":"RecipientIsAddressZero","type":"error"},{"inputs":[],"name":"StopTimeNotInTheFuture","type":"error"},{"inputs":[],"name":"TokenAmountIsZero","type":"error"},{"inputs":[],"name":"UnexpectedStreamAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"msgSender","type":"address"},{"indexed":true,"internalType":"address","name":"payer","type":"address"},{"indexed":true,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"startTime","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"stopTime","type":"uint256"},{"indexed":false,"internalType":"address","name":"streamAddress","type":"address"}],"name":"StreamCreated","type":"event"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"}],"name":"createAndFundStream","outputs":[{"internalType":"address","name":"stream","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"payer","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"},{"internalType":"uint8","name":"nonce","type":"uint8"}],"name":"createStream","outputs":[{"internalType":"address","name":"stream","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"},{"internalType":"uint8","name":"nonce","type":"uint8"},{"internalType":"address","name":"predictedStreamAddress","type":"address"}],"name":"createStream","outputs":[{"internalType":"address","name":"stream","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"}],"name":"createStream","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"payer","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"}],"name":"createStream","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"msgSender","type":"address"},{"internalType":"address","name":"payer","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"}],"name":"predictStreamAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"msgSender","type":"address"},{"internalType":"address","name":"payer","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"stopTime","type":"uint256"},{"internalType":"uint8","name":"nonce","type":"uint8"}],"name":"predictStreamAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"streamImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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0000000000000000000000000b9dff1aba32a9fa95011c7f097ec672f689038f

-----Decoded View---------------
Arg [0] : _streamImplementation (address): 0x0b9dFf1aba32A9fa95011C7f097ec672F689038F

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000b9dff1aba32a9fa95011c7f097ec672f689038f