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// SPDX-License-Identifier: MIT 

/*

    Website: https://blastdisperse.app
    Twitter: https://twitter.com/BlastDisperse
    Telegram: https://t.me/blastdisperse
    Documentation: https://docs.blastdisperse.app

*/

pragma solidity 0.8.23;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "./IBlast.sol";

/// @title Blast Disperse
/// @notice Blast Disperse is a utility contract and dapp for sending ETH and tokens to multiple addresses at once.
/// @notice Blast's functionality is integrated to achieve native gas refunds and yield.
/// @author @0xAgony
contract BlastDisperse is Ownable {

    address private constant BLAST = 0x4300000000000000000000000000000000000002;

    constructor() Ownable(msg.sender) {
        // Configure BLAST claimable gas
        IBlast(BLAST).configureClaimableGas();
    }

    /// @notice Get the Blast gas params for a contract
    /// @param contractAddress The address of the contract to get the gas params for
    function readGasParams(address contractAddress) external view returns (uint256 etherSeconds, uint256 etherBalance, uint256 lastUpdated, GasMode) {
        return IBlast(BLAST).readGasParams(contractAddress);
    }

    /// @notice Claim all gas regardless of rate
    /// @param recipientOfGas The address to send the gas to
    function claimAllGas(address recipientOfGas) external onlyOwner {
        IBlast(BLAST).claimAllGas(address(this), recipientOfGas);
    }

    /// @notice Claim gas at a minimum rate
    /// @param recipientOfGas The address to send the gas to
    /// @param minClaimRateBips The minimum rate to claim gas at
    function claimGasAtMinClaimRate(address recipientOfGas, uint256 minClaimRateBips) external onlyOwner {
        IBlast(BLAST).claimGasAtMinClaimRate(address(this), recipientOfGas, minClaimRateBips);
    }

    /// @notice Configure Blast Points operator for points redistribution
    /// @param _blastPointsAddress The address of the Blast Points contract
    /// @param _operator The address of the signing operator
    function setBlastPointsOperator(address _blastPointsAddress, address _operator) external onlyOwner {
        IBlastPoints(_blastPointsAddress).configurePointsOperator(_operator);
    }

    /// @notice Revert on direct ETH transfers to this contract
    receive() external payable {
        revert("BlastDisperse: Cannot receive ETH directly");
    }

    /// @notice Disperse ETH to multiple addresses, supplying the amounts
    /// @param _addresses The addresses to disperse to
    /// @param _amounts The amounts to disperse
    function disperseETH(
        address[] calldata _addresses,
        uint256[] calldata _amounts
    ) external payable {
        // Ensure the address and amount arrays are the same length
        if (_addresses.length != _amounts.length) revert("BlastDisperse: Address and amount arrays must be the same length");

        // Loop through the addresses and amounts, transferring the amounts to the addresses
        for (uint256 i = 0; i < _addresses.length;) {
            payable(_addresses[i]).transfer(_amounts[i]);

            unchecked { i++; }
        }
    }

    /// @notice Disperse ERC20 tokens to multiple addresses, supplying the token, amounts, and total amount
    /// @param _token The ERC20 token, supplied as an address
    /// @param _addresses The addresses to disperse to
    /// @param _amounts The amounts to disperse
    /// @param _totalAmount The total amount to disperse
    function disperseERC20(
        IERC20 _token,
        address[] calldata _addresses,
        uint256[] calldata _amounts,
        uint256 _totalAmount
    ) external payable {
        // Ensure the address and amount arrays are the same length
        if (_addresses.length != _amounts.length) revert("BlastDisperse: Address and amount arrays must be the same length");

        // Transfer the total amount of tokens to this contract
        _token.transferFrom(msg.sender, address(this), _totalAmount);

        // Loop through the addresses and amounts, transferring the amounts to the addresses
        for (uint256 i = 0; i < _addresses.length;) {
            _token.transfer(_addresses[i], _amounts[i]);

            unchecked { i++; }
        }
    }

    /// @notice Disperse ERC721 tokens to multiple addresses, supplying the nft, addresses, and tokenIds
    /// @param _nft The address of the ERC721 contract
    /// @param _addresses The addresses to disperse to
    /// @param _tokenIds The tokenIds to disperse
    function disperseERC721(
        IERC721 _nft,
        address[] calldata _addresses,
        uint256[] calldata _tokenIds
    ) external payable {
        // Ensure the address and tokenId arrays are the same length
        if (_addresses.length != _tokenIds.length) revert("BlastDisperse: Address and tokenId arrays must be the same length");

        // Loop through the addresses and tokenIds, transferring the tokenIds to the addresses
        for (uint256 i = 0; i < _addresses.length;) {
            _nft.transferFrom(msg.sender, _addresses[i], _tokenIds[i]);

            unchecked { i++; }
        }
    }

    /// @notice Rescue ETH from the contract if it ends up getting stuck here
    function rescueETH() external onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }

    /// @notice Rescue ERC20 tokens from the contract if they end up getting stuck here
    /// @param _token The address of the ERC20 token
    function rescueERC20(IERC20 _token) external onlyOwner {
        _token.transfer(owner(), _token.balanceOf(address(this)));
    }

    /// @notice Rescue ERC721 tokens from the contract if they end up getting stuck here
    /// @param _nft The address of the ERC721 contract
    /// @param _tokenId The tokenId to rescue
    function rescueERC721(IERC721 _nft, uint256 _tokenId) external onlyOwner {
        _nft.transferFrom(address(this), owner(), _tokenId);
    }
}

// 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
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or
     *   {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// 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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

enum YieldMode {
    AUTOMATIC,
    VOID,
    CLAIMABLE
}

enum GasMode {
    VOID,
    CLAIMABLE 
}

interface IBlast {
    function configureClaimableGas() external;
    function claimAllGas(address contractAddress, address recipientOfGas) external returns (uint256);
    function claimGasAtMinClaimRate(address contractAddress, address recipientOfGas, uint256 minClaimRateBips) external returns (uint256);
    function readGasParams(address contractAddress) external view returns (uint256 etherSeconds, uint256 etherBalance, uint256 lastUpdated, GasMode);

    function configureClaimableYield() external;
    function claimAllYield(address contractAddress, address recipientOfYield) external returns (uint256);
    function readClaimableYield(address contractAddress) external view returns (uint256);
}

interface IBlastPoints {
    function configurePointsOperator(address operator) external;
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"address","name":"recipientOfGas","type":"address"}],"name":"claimAllGas","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipientOfGas","type":"address"},{"internalType":"uint256","name":"minClaimRateBips","type":"uint256"}],"name":"claimGasAtMinClaimRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint256[]","name":"_amounts","type":"uint256[]"},{"internalType":"uint256","name":"_totalAmount","type":"uint256"}],"name":"disperseERC20","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC721","name":"_nft","type":"address"},{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"disperseERC721","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint256[]","name":"_amounts","type":"uint256[]"}],"name":"disperseETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"}],"name":"readGasParams","outputs":[{"internalType":"uint256","name":"etherSeconds","type":"uint256"},{"internalType":"uint256","name":"etherBalance","type":"uint256"},{"internalType":"uint256","name":"lastUpdated","type":"uint256"},{"internalType":"enum GasMode","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"}],"name":"rescueERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC721","name":"_nft","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"rescueERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rescueETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_blastPointsAddress","type":"address"},{"internalType":"address","name":"_operator","type":"address"}],"name":"setBlastPointsOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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