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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

import {Ownable} from "@openzeppelin/access/Ownable.sol";

import {IPayMaster} from "./IPayMaster.sol";

contract PayMaster is IPayMaster, Ownable {
    Receiver[] private _feeReceivers;
    uint256 private _totalShares;

    constructor(
        address initialOwner, 
        Receiver[] memory initialReceivers
    ) Ownable(initialOwner) {
        _setFeeReceivers(initialReceivers);
    }
    
    receive() external payable { }

    function feeReceivers() external view override returns (Receiver[] memory) {
        return _feeReceivers;
    }

    function totalShares() external view override returns (uint256) {
        return _totalShares;
    }

    function pay(string memory orderId, address operator, uint256 fees) external payable override {
        if(msg.value == 0) {
            revert MsgValueZero();
        }

        uint256 operatorAmount = msg.value - fees;
        (bool success,) = operator.call{value: operatorAmount}("");
        if(!success) {
            revert OperatorTransferFailed(operator);
        }

        emit OrderPaid(msg.sender, orderId, operator, msg.value, fees);
    }

    function withdraw() public override {
        uint256 totalValue = address(this).balance;

        for (uint256 i; i < _feeReceivers.length; i++) {
            uint256 receiverAmount = (totalValue / _totalShares) * _feeReceivers[i].share;

            (bool success,) = _feeReceivers[i].account.call{value: receiverAmount}("");
            if(!success) {
                revert ReceiverWithdrawFailed(_feeReceivers[i].account);
            }
        }
    }

    function setFeeReceivers(Receiver[] memory newReceivers) external override onlyOwner {       
        _setFeeReceivers(newReceivers);
    }

    function _setFeeReceivers(Receiver[] memory newFeeReceivers) internal {       
        delete _feeReceivers;
        uint256 newTotalShares;

        for (uint256 i; i < newFeeReceivers.length; i++) {
            _feeReceivers.push(newFeeReceivers[i]);
            newTotalShares += newFeeReceivers[i].share;
        }

        _totalShares = newTotalShares;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

interface IPayMaster {
    error MsgValueZero();
    error OperatorTransferFailed(address);
    error ReceiverWithdrawFailed(address);

    struct Receiver {
        address account;
        uint256 share;
    }

    event OrderPaid(address indexed sender, string orderId, address operator, uint256 value, uint256 fees);

    function feeReceivers() external view returns (Receiver[] memory feeReceivers);
    function totalShares() external view returns (uint256 totalShares);

    function pay(string memory orderId, address operator, uint256 fees) external payable;

    function withdraw() external;
    function setFeeReceivers(Receiver[] memory newFeeReceivers) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"initialOwner","type":"address"},{"components":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"share","type":"uint256"}],"internalType":"struct IPayMaster.Receiver[]","name":"initialReceivers","type":"tuple[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"MsgValueZero","type":"error"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"OperatorTransferFailed","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"ReceiverWithdrawFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"string","name":"orderId","type":"string"},{"indexed":false,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fees","type":"uint256"}],"name":"OrderPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"feeReceivers","outputs":[{"components":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"share","type":"uint256"}],"internalType":"struct IPayMaster.Receiver[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"orderId","type":"string"},{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"fees","type":"uint256"}],"name":"pay","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"share","type":"uint256"}],"internalType":"struct IPayMaster.Receiver[]","name":"newReceivers","type":"tuple[]"}],"name":"setFeeReceivers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000001070d1c66febf4c1177bc891e8cab95deacf41900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : initialOwner (address): 0x01070D1c66feBf4c1177bC891e8cAb95DEAcf419

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000001070d1c66febf4c1177bc891e8cab95deacf419
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000