// File: /home/paras/impermanent/contracts/ImpermanentPaymentSplitter.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Address.sol";

/*
                                                                                                                                                                                                   @*   
                                 @@@@@                                                                                                                                                         /@@@@@@@@
               @@               @@@@@@@                                                                    .@@@@@@@@@@@                                                 @@@@@@@@@@             @@@@@@@@@
     @@@@@@@@@ @@@@             @@@@@@@   @@@@@                      @@@@@@@@@@@@@@@@@@&    @@@    @@@@  @@@@@@*     @@@,        @@@@      @@@@@                       @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
    @@@@@@@@@@@ .@@@@           @@@@@ ,@@@@@@@@@@@@@@@                @@@@@@@@@,@@   @@@@  @@@@   @@@@@              @@@@       @@@@@    @@@@@@@                        @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 
    @@@@@@@@@@@    @@@@       @@@@@  (@@@@@(     @@@@@@                 @@@@@@@@      @@@% @@@@@ @@@ @@    @@@@@@@@@@@@@@       @@@@@@   @@@@@@                          @@@@@@@     @@@@@@@      @#    
     @@@@@@@        @@@@@@@@@@@@@@@   @@@@@@    %@@@@@@                  @@@@@@@@@@   @@@& @@@@@@@@  @@   .@@@@  @@@@@ @        @@@@@@  @@@@@                                        @@@@@              
       @@@@         @@@    @@@ @@@@    @@@@@@@@@@@@        @@@@@*        @@@@@ /@@@@ @@@@( @@ @@@@    @    @@@@ ,@@@@ ,@        @@ @@@@@@@  @@@@@@@@@@@@@@@      @@@@     &@@@@@@@   #@@@.              
        @@@,        @@@     @@ @@@(    @@@@      @@@@@@@@@@@@@@@@@@.    @@@@@@@  @@@@@@@   @. @@@@     @     @@@@@@   @@@@@@@@  @@ @@@@@@   @@@@@@    @@@@       @@@@@@@@@@@@@@@@@@  &@@@               
        @@@@      @@@@@@       @@@@    @@@@    @@@@@@@@@@@@@@@@@@@@  @@@@@@  @@@@         @@           @@@@*           @@@@@@   @@ .@@@@@,  @@@@@                @@@@@@@@@@@    @@@&  @@@@              
       @@@@@   @@@@@@@@@         @@@@  @@@@      @@@@@@               @@@@@  @@@@      /@@@@            @@@@@@@                ,@@  @@@@@    @@@@@@@              @@@@@@@   @@@@@@@   @@@@@             
      #@@@@    @@@@@@@@           @@@@  @@@       @@@@@    .#@@@@@@@@@       @@@@     @@@@@              %@@@@@                @@@          @@@@@@@@@@@@@@@        @@@@@@   @@@@@@   @@@@@@@@@@         
  @@@@@@@@@@                           @@@@@@     @@@@@@@@@@@@@@@@@@@@      @@@@@@@@%                                        @@@@,          &@@@                  @@@@@      @@@&   @@@@@@@@@@@@@       
 @@@@@@@@@@@@                       @@@@@@@@@@     @@@@@(  &@               @@@@@@@@@@@                                   @@@@@@@          @@@@@                 @@@@@      @@@@    #@@@@@@@@@@@@       
 @@@@@@@@@@@@                      @@@@@@@@@@@@    @@@@@ ,@@@@                @@@@@@@@@                                   @@@@@          @@@@@@@@@@@@@@@@@@@@@   @@@@@@     @@@@@@     @@@@@@@          
    @@@@@@                          %@@@@@@@@@    @@@@@@@@@@@@@@@@@@@@@                                                                   (@@@@@     .@@@@@@@@   @@@@@@     @@@@@@                      
                                       .@@@@       @@@@@@                                                                                                         @@@@@      @@@@@                      

*/

contract ImpermanentPaymentSplitter is Ownable {
    event PaymentReleased(address to, uint256 amount);
    event PaymentReceived(address from, uint256 amount);

    address[] public payees;
    uint256[] public shares;

    uint256 public totalShares;

    constructor(address[] memory initialPayees, uint256[] memory initialShares) {
        require(initialPayees.length == initialShares.length, "Payees and shares length mismatch");
        require(initialPayees.length > 0, "No payees");

        for (uint256 i = 0; i < initialPayees.length; i++) {
            payees.push(initialPayees[i]);
            shares.push(initialShares[i]);
            totalShares = totalShares + initialShares[i];
        }
    }

    function resetShareholding(address[] memory newPayees, uint256[] memory newShares) public onlyOwner {
        require(newPayees.length == newShares.length, "Payees and shares length mismatch");
        require(newPayees.length > 0, "No payees");

        delete payees;
        delete shares;
        totalShares = 0;

        for (uint256 i = 0; i < newPayees.length; i++) {
            payees.push(newPayees[i]);
            shares.push(newShares[i]);
            totalShares = totalShares + newShares[i];
        }
    }

    function distribute() external payable onlyOwner {
        uint256 amountToDistribute = address(this).balance;

        for (uint256 i = 0; i < payees.length; i++) {
            uint256 payment = amountToDistribute * shares[i] / totalShares;
            Address.sendValue(payable(payees[i]), payment);
            emit PaymentReleased(payees[i], payment);
        }
    }

    receive () external payable virtual {
        emit PaymentReceived(msg.sender, msg.value);
    }

    function withdraw(uint256 amount) public onlyOwner {
        Address.sendValue(payable(msg.sender), amount);
        emit PaymentReleased(msg.sender, amount);
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 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://diligence.consensys.net/posts/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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}