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0x4610ada32B41aA761aEFBD97Ea65d0F76949B9CD
 

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Batch Transfer184915392023-11-03 12:29:23318 days ago1699014563IN
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Batch Transfer184614962023-10-30 7:30:11322 days ago1698651011IN
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Batch Transfer181806872023-09-21 0:29:11361 days ago1695256151IN
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Batch Transfer180977092023-09-09 8:39:59373 days ago1694248799IN
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Batch Transfer178650882023-08-07 19:18:35405 days ago1691435915IN
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0 ETH0.0032362331.94072391
Batch Transfer178448492023-08-04 23:19:11408 days ago1691191151IN
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0 ETH0.000592816.284955
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Contract Source Code Verified (Exact Match)

Contract Name:
BoredBoxBatchSender

Compiler Version
v0.8.11+commit.d7f03943

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 9 : BoredBoxBatchSender.sol
// SPDX-License-Identifier: MIT
// vim: textwidth=119
pragma solidity 0.8.11;

import { IERC721 } from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import { IERC721Receiver } from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import { IERC721Metadata } from "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol";

import { IERC1155 } from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import { IERC1155Receiver } from "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";

import { ERC165Checker } from "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";

import { IBoredBoxBatchSender_Functions } from "./interfaces/IBoredBoxBatchSender.sol";

/// @title Contract for sending ERC721 and/or ERC1155 assets en masse
/// @author S0AndS0
/// @custom:link https://boredbox.io/
contract BoredBoxBatchSender is IBoredBoxBatchSender_Functions {
    /// Mapping account to authorized state
    mapping(address => bool) public isAuthorized;

    /// Mapping `boxTokenId` to `contractAddress` _claimed state
    /// @dev See {IBoredBoxBatchSender_Functions-claimed}
    mapping(uint256 => mapping(address => uint256)) internal _claimed;

    /// @dev See {ERC165Checker-supportsInterface}
    ///> 0x80ac58cd
    bytes4 constant _ERC721_CONTRACT = type(IERC721).interfaceId;

    /// @dev See {ERC165Checker-supportsInterface}
    ///> 0xd9b67a26
    bytes4 constant _ERC1155_CONTRACT = type(IERC1155).interfaceId;

    /// @dev See {IERC721Receiver-onERC721Received}
    ///
    /// ```javascript
    /// web3.eth.abi.encodeFunctionSignature('onERC721Received(address,address,uint256,bytes)')
    /// //> 0x150b7a02
    /// ```
    ///
    /// address operator
    /// address from
    /// uint256 tokenId
    /// bytes calldata data
    bytes4 constant _ERC721_RECEIVER = bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"));

    /// @dev See {IERC1155Receiver-onERC1155Received}
    ///
    /// ```javascript
    /// web3.eth.abi.encodeFunctionSignature('onERC1155Received(address,address,uint256,uint256,bytes)')
    /// //> 0xf23a6e61
    /// ```
    ///
    /// address operator
    /// address from
    /// uint256 id
    /// uint256 value
    /// bytes calldata data
    bytes4 constant _ERC1155_RECEIVER = bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"));

    /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
    /* ↑            Storage          ↑ */
    /* ↓  Modifiers and constructor  ↓ */
    /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

    modifier onlyAuthorized() {
        require(isAuthorized[msg.sender], "Not authorized");
        _;
    }

    ///
    constructor(address owner) {
        isAuthorized[owner] = true;
    }

    /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
    /* ↑  Modifiers and constructor  ↑ */
    /* ↓      off-chain external     ↓ */
    /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

    /// @dev See {IBoredBoxBatchSender_Functions-batchTransfer}
    function batchTransfer(
        address tokenContract,
        uint256[] calldata boxes,
        uint256[] calldata tokenIds,
        address[] calldata recipients
    ) external payable onlyAuthorized {
        uint256 boxes_length = boxes.length;
        require(boxes_length > 0, "Insufficient boxes provided");

        require(
            boxes_length == tokenIds.length && boxes_length == recipients.length,
            "Length missmatch between; boxes, tokenIds, and/or recipients"
        );

        if (ERC165Checker.supportsInterface(tokenContract, _ERC721_CONTRACT)) {
            uint256 box;
            uint256 tokenId;
            for (uint256 i; i < boxes_length; ) {
                box = boxes[i];
                if (_claimed[box][tokenContract] == 0) {
                    tokenId = tokenIds[i];
                    IERC721(tokenContract).transferFrom(msg.sender, recipients[i], tokenId);
                    _claimed[box][tokenContract] = ++tokenId;
                }

                unchecked {
                    ++i;
                }
            }
        } else if (ERC165Checker.supportsInterface(tokenContract, _ERC1155_CONTRACT)) {
            uint256 box;
            uint256 tokenId;
            for (uint256 i; i < boxes_length; ) {
                box = boxes[i];
                if (_claimed[box][tokenContract] == 0) {
                    tokenId = tokenIds[i];
                    IERC1155(tokenContract).safeTransferFrom(msg.sender, recipients[i], tokenId, 1, "");
                    _claimed[box][tokenContract] = ++tokenId;
                }

                unchecked {
                    ++i;
                }
            }
        } else {
            revert("Failed to recognize tokenContract");
        }
    }

    ///
    function setAuthorized(address key, bool value) external payable onlyAuthorized {
        isAuthorized[key] = value;
    }

    /// @dev See {IBoredBoxBatchSender_Functions-withdraw}
    function withdraw(address payable to, uint256 amount) external payable onlyAuthorized {
        (bool success, ) = to.call{ value: amount }("");
        require(success, "Transfer failed");
    }

    /// @dev See {IBoredBoxBatchSender_Functions-canRecieve}
    function canReceive(address to) external pure returns (uint256) {
        uint256 result;

        if (IERC721Receiver(to).onERC721Received.selector == _ERC721_RECEIVER) {
            result += 1;
        }

        if (IERC1155Receiver(to).onERC1155Received.selector == _ERC1155_RECEIVER) {
            result += 2;
        }

        return result;
    }

    /// @dev See {IBoredBoxBatchSender_Functions-claimed}
    function claimed(uint256 box, address tokenContract) external view returns (uint256) {
        uint256 tokenId = _claimed[box][tokenContract];
        require(tokenId > 0, "Not claimed");
        return --tokenId;
    }
}

File 2 of 9 : IBoredBoxBatchSender.sol
// SPDX-License-Identifier: MIT
// vim: textwidth=119
pragma solidity 0.8.11;

///
interface IBoredBoxBatchSender_Functions {
    /// Transfer many tokens from contract to many recipients
    /// @param tokenContract Address to smart contract with tokens
    /// @param boxes Array of BoredBoxNFT token IDs
    /// @param tokenIds Array of numbers for token IDs to transfer from `tokenContracts`
    /// @param recipients Array of addresses to receive `tokenIds` assets
    /// @custom:throw "Not authorized"
    /// @custom:throw "Insufficient boxes provided"
    /// @custom:throw "Length missmatch between; boxes, tokenIds, and/or recipients"
    /// @custom:throw "Failed to recognize tokenContract"
    function batchTransfer(
        address tokenContract,
        uint256[] calldata boxes,
        uint256[] calldata tokenIds,
        address[] calldata recipients
    ) external payable;

    /// @param key Address to set `value` within `isAuthorized` mapping
    /// @param value Boolean state to set for given `key` within `isAuthorized` mapping
    /// @custom:throw "Not authorized"
    function setAuthorized(address key, bool value) external payable;

    /// Send amount of Ether from `this.balance` to some address
    /// @custom:throw "Not authorized"
    /// @custom:throw "Transfer failed"
    function withdraw(address payable to, uint256 amount) external payable;

    /// @param to Address to check for ERC721Receiver and onERC1155Receiver compatibility
    /// @return what receiver(s) are implemented for `to` address
    /// - `0` if not compatible
    /// - `1` if compatible with ERC721Receiver only
    /// - `2` if compatible with ERC1155Receiver only
    /// - `3` if compatible with both ERC721Receiver and ERC1155Receiver
    function canReceive(address to) external view returns (uint256);

    /// @param box BoredBoxNFT Token ID
    /// @param tokenContract Address to ERC{721,1155} contract
    /// @custom:throw "Not claimed"
    function claimed(uint256 box, address tokenContract) external view returns (uint256);
}

///
interface IBoredBoxBatchSender_Variables {
    /// @param account Address to check if authorized
    /// @return authorized Boolean authorization status
    function isAuthorized(address account) external view returns (bool authorized);
}

/* For external callers */
interface IBoredBoxBatchSender is IBoredBoxBatchSender_Variables, IBoredBoxBatchSender_Functions {

}

File 3 of 9 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @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);
}

File 4 of 9 : ERC165Checker.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165Checker.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Library used to query support of an interface declared via {IERC165}.
 *
 * Note that these functions return the actual result of the query: they do not
 * `revert` if an interface is not supported. It is up to the caller to decide
 * what to do in these cases.
 */
library ERC165Checker {
    // As per the EIP-165 spec, no interface should ever match 0xffffffff
    bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;

    /**
     * @dev Returns true if `account` supports the {IERC165} interface,
     */
    function supportsERC165(address account) internal view returns (bool) {
        // Any contract that implements ERC165 must explicitly indicate support of
        // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid
        return
            _supportsERC165Interface(account, type(IERC165).interfaceId) &&
            !_supportsERC165Interface(account, _INTERFACE_ID_INVALID);
    }

    /**
     * @dev Returns true if `account` supports the interface defined by
     * `interfaceId`. Support for {IERC165} itself is queried automatically.
     *
     * See {IERC165-supportsInterface}.
     */
    function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {
        // query support of both ERC165 as per the spec and support of _interfaceId
        return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);
    }

    /**
     * @dev Returns a boolean array where each value corresponds to the
     * interfaces passed in and whether they're supported or not. This allows
     * you to batch check interfaces for a contract where your expectation
     * is that some interfaces may not be supported.
     *
     * See {IERC165-supportsInterface}.
     *
     * _Available since v3.4._
     */
    function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)
        internal
        view
        returns (bool[] memory)
    {
        // an array of booleans corresponding to interfaceIds and whether they're supported or not
        bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);

        // query support of ERC165 itself
        if (supportsERC165(account)) {
            // query support of each interface in interfaceIds
            for (uint256 i = 0; i < interfaceIds.length; i++) {
                interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);
            }
        }

        return interfaceIdsSupported;
    }

    /**
     * @dev Returns true if `account` supports all the interfaces defined in
     * `interfaceIds`. Support for {IERC165} itself is queried automatically.
     *
     * Batch-querying can lead to gas savings by skipping repeated checks for
     * {IERC165} support.
     *
     * See {IERC165-supportsInterface}.
     */
    function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {
        // query support of ERC165 itself
        if (!supportsERC165(account)) {
            return false;
        }

        // query support of each interface in _interfaceIds
        for (uint256 i = 0; i < interfaceIds.length; i++) {
            if (!_supportsERC165Interface(account, interfaceIds[i])) {
                return false;
            }
        }

        // all interfaces supported
        return true;
    }

    /**
     * @notice Query if a contract implements an interface, does not check ERC165 support
     * @param account The address of the contract to query for support of an interface
     * @param interfaceId The interface identifier, as specified in ERC-165
     * @return true if the contract at account indicates support of the interface with
     * identifier interfaceId, false otherwise
     * @dev Assumes that account contains a contract that supports ERC165, otherwise
     * the behavior of this method is undefined. This precondition can be checked
     * with {supportsERC165}.
     * Interface identification is specified in ERC-165.
     */
    function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {
        bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId);
        (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams);
        if (result.length < 32) return false;
        return success && abi.decode(result, (bool));
    }
}

File 5 of 9 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

File 6 of 9 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 7 of 9 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../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 be 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * 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 caller.
     *
     * 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);
}

File 8 of 9 : IERC1155Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

File 9 of 9 : IERC1155.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"tokenContract","type":"address"},{"internalType":"uint256[]","name":"boxes","type":"uint256[]"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"address[]","name":"recipients","type":"address[]"}],"name":"batchTransfer","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"canReceive","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"box","type":"uint256"},{"internalType":"address","name":"tokenContract","type":"address"}],"name":"claimed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isAuthorized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"key","type":"address"},{"internalType":"bool","name":"value","type":"bool"}],"name":"setAuthorized","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000935a6162f6830ed6b67715194a2702c5b4f8d115

-----Decoded View---------------
Arg [0] : owner (address): 0x935A6162F6830ED6b67715194a2702C5b4F8D115

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000935a6162f6830ed6b67715194a2702c5b4f8d115


Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.