// File: github/sushiswap/shoyu-airdrop/contracts/NFT1155AirdropV1.sol



// SPDX-License-Identifier: MIT

pragma solidity =0.8.3;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@shoyunft/contracts/contracts/interfaces/INFT1155.sol";
import "@shoyunft/contracts/contracts/interfaces/INFTLockable.sol";
import "./MerkleProof.sol";

contract NFT1155AirdropV1 is Ownable, MerkleProof {
    address public immutable nftContract;
    mapping(uint256 => bytes32) public merkleRoots;
    mapping(bytes32 => mapping(address => bool)) public claimed;

    event AddMerkleRoot(bytes32 indexed merkleRoot, uint256 indexed tokenId);
    event Claim(bytes32 indexed merkleRoot, uint256 indexed tokenId, address indexed account);

    constructor(
        address _nftContract,
        bytes32 merkleRoot,
        uint256 tokenId
    ) {
        nftContract = _nftContract;
        if (merkleRoot != bytes32("")) {
            merkleRoots[tokenId] = merkleRoot;

            emit AddMerkleRoot(merkleRoot, tokenId);
        }
    }

    function setRoyaltyFeeRecipient(address _royaltyFeeRecipient) external onlyOwner {
        INFT1155(nftContract).setRoyaltyFeeRecipient(_royaltyFeeRecipient);
    }

    function setRoyaltyFee(uint8 _royaltyFee) external onlyOwner {
        INFT1155(nftContract).setRoyaltyFee(_royaltyFee);
    }

    function setURI(uint256 tokenId, string memory uri) external onlyOwner {
        INFT1155(nftContract).setURI(tokenId, uri);
    }

    function setBaseURI(string memory baseURI) external onlyOwner {
        INFT1155(nftContract).setBaseURI(baseURI);
    }

    function setLocked(bool locked) external onlyOwner {
        INFTLockable(nftContract).setLocked(locked);
    }

    function mintBatch(
        address to,
        uint256[] calldata tokenIds,
        uint256[] calldata amounts,
        bytes calldata data
    ) external onlyOwner {
        INFT1155(nftContract).mintBatch(to, tokenIds, amounts, data);
    }

    function burnBatch(uint256[] calldata tokenIds, uint256[] calldata amounts) external onlyOwner {
        INFT1155(nftContract).burnBatch(tokenIds, amounts);
    }

    function addMerkleRoot(bytes32 merkleRoot, uint256 tokenId) external onlyOwner {
        require(merkleRoots[tokenId] == bytes32(""), "SHOYU: DUPLICATE_ROOT");
        merkleRoots[tokenId] = merkleRoot;

        emit AddMerkleRoot(merkleRoot, tokenId);
    }

    function claim(
        bytes32 merkleRoot,
        uint256 tokenId,
        bytes32[] calldata merkleProof
    ) external {
        require(merkleRoots[tokenId] == merkleRoot, "SHOYU: INVALID_ROOT");
        require(!claimed[merkleRoot][msg.sender], "SHOYU: FORBIDDEN");
        require(verify(merkleRoot, keccak256(abi.encodePacked(msg.sender)), merkleProof), "SHOYU: INVALID_PROOF");

        claimed[merkleRoot][msg.sender] = true;
        INFT1155(nftContract).mint(msg.sender, tokenId, 1, "");

        emit Claim(merkleRoot, tokenId, msg.sender);
    }
}

// File: github/sushiswap/shoyu-airdrop/contracts/MerkleProof.sol



// SPDX-License-Identifier: MIT

pragma solidity =0.8.3;

contract MerkleProof {
    function verify(
        bytes32 root,
        bytes32 leaf,
        bytes32[] memory proof
    ) public pure returns (bool) {
        bytes32 computedHash = leaf;

        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];

            if (computedHash < proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
            }
        }

        // Check if the computed hash (root) is equal to the provided root
        return computedHash == root;
    }
}

// File: @shoyunft/contracts/contracts/interfaces/INFTLockable.sol



// SPDX-License-Identifier: MIT

pragma solidity =0.8.3;

interface INFTLockable {
    event SetLocked(bool locked);

    function locked() external view returns (bool);

    function setLocked(bool _locked) external;
}

// File: @shoyunft/contracts/contracts/interfaces/INFT1155.sol



// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "./IBaseNFT1155.sol";
import "./IBaseExchange.sol";

interface INFT1155 is IBaseNFT1155, IBaseExchange {
    event SetRoyaltyFeeRecipient(address recipient);
    event SetRoyaltyFee(uint8 fee);

    function initialize(
        address _owner,
        uint256[] calldata tokenIds,
        uint256[] calldata amounts,
        address royaltyFeeRecipient,
        uint8 royaltyFee
    ) external;

    function DOMAIN_SEPARATOR() external view override(IBaseNFT1155, IBaseExchange) returns (bytes32);

    function factory() external view override(IBaseNFT1155, IBaseExchange) returns (address);

    function setRoyaltyFeeRecipient(address _royaltyFeeRecipient) external;

    function setRoyaltyFee(uint8 _royaltyFee) external;
}

// 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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @shoyunft/contracts/contracts/interfaces/IBaseExchange.sol



// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "../libraries/Orders.sol";

interface IBaseExchange {
    event Cancel(bytes32 indexed hash);
    event Claim(
        bytes32 indexed hash,
        address bidder,
        uint256 amount,
        uint256 price,
        address recipient,
        address referrer
    );
    event Bid(bytes32 indexed hash, address bidder, uint256 amount, uint256 price, address recipient, address referrer);
    event UpdateApprovedBidHash(
        address indexed proxy,
        bytes32 indexed askHash,
        address indexed bidder,
        bytes32 bidHash
    );

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function factory() external view returns (address);

    function canTrade(address token) external view returns (bool);

    function bestBid(bytes32 hash)
        external
        view
        returns (
            address bidder,
            uint256 amount,
            uint256 price,
            address recipient,
            address referrer,
            uint256 blockNumber
        );

    function isCancelledOrClaimed(bytes32 hash) external view returns (bool);

    function amountFilled(bytes32 hash) external view returns (uint256);

    function approvedBidHash(
        address proxy,
        bytes32 askHash,
        address bidder
    ) external view returns (bytes32 bidHash);

    function cancel(Orders.Ask memory order) external;

    function updateApprovedBidHash(
        bytes32 askHash,
        address bidder,
        bytes32 bidHash
    ) external;

    function bid(Orders.Ask memory askOrder, Orders.Bid memory bidOrder) external returns (bool executed);

    function bid(
        Orders.Ask memory askOrder,
        uint256 bidAmount,
        uint256 bidPrice,
        address bidRecipient,
        address bidReferrer
    ) external returns (bool executed);

    function claim(Orders.Ask memory order) external;
}

// File: @shoyunft/contracts/contracts/interfaces/IBaseNFT1155.sol



// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol";

import "./IOwnable.sol";

interface IBaseNFT1155 is IERC1155, IERC1155MetadataURI, IOwnable {
    event SetURI(uint256 indexed id, string uri);
    event SetBaseURI(string uri);
    event Burn(uint256 indexed tokenId, uint256 amount, uint256 indexed label, bytes32 data);

    function PERMIT_TYPEHASH() external view returns (bytes32);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function factory() external view returns (address);

    function nonces(address account) external view returns (uint256);

    function initialize(address _owner) external;

    function setURI(uint256 id, string memory uri) external;

    function setBaseURI(string memory baseURI) external;

    function mint(
        address to,
        uint256 tokenId,
        uint256 amount,
        bytes calldata data
    ) external;

    function mintBatch(
        address to,
        uint256[] calldata tokenIds,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;

    function burn(
        uint256 tokenId,
        uint256 amount,
        uint256 label,
        bytes32 data
    ) external;

    function burnBatch(uint256[] calldata tokenIds, uint256[] calldata amounts) external;

    function permit(
        address owner,
        address spender,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

// 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) {
        return msg.data;
    }
}

// File: @shoyunft/contracts/contracts/interfaces/IOwnable.sol



// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

interface IOwnable {
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    function owner() external view returns (address);

    function renounceOwnership() external;

    function transferOwnership(address newOwner) external;
}

// File: @openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC1155.sol";

/**
 * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
 * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155MetadataURI is IERC1155 {
    /**
     * @dev Returns the URI for token type `id`.
     *
     * If the `\{id\}` substring is present in the URI, it must be replaced by
     * clients with the actual token type ID.
     */
    function uri(uint256 id) external view returns (string memory);
}

// File: @openzeppelin/contracts/token/ERC1155/IERC1155.sol



// SPDX-License-Identifier: MIT

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;
}

// File: @shoyunft/contracts/contracts/libraries/Orders.sol



// SPDX-License-Identifier: MIT

pragma solidity =0.8.3;

library Orders {
    // keccak256("Ask(address signer,address proxy,address token,uint256 tokenId,uint256 amount,address strategy,address currency,address recipient,uint256 deadline,bytes params)")
    bytes32 internal constant ASK_TYPEHASH = 0x5fbc9a24e1532fa5245d1ec2dc5592849ae97ac5475f361b1a1f7a6e2ac9b2fd;
    // keccak256("Bid(bytes32 askHash,address signer,uint256 amount,uint256 price,address recipient,address referrer)")
    bytes32 internal constant BID_TYPEHASH = 0xb98e1dc48988064e6dfb813618609d7da80a8841e5f277039788ac4b50d497b2;

    struct Ask {
        address signer;
        address proxy;
        address token;
        uint256 tokenId;
        uint256 amount;
        address strategy;
        address currency;
        address recipient;
        uint256 deadline;
        bytes params;
        uint8 v;
        bytes32 r;
        bytes32 s;
    }

    struct Bid {
        bytes32 askHash;
        address signer;
        uint256 amount;
        uint256 price;
        address recipient;
        address referrer;
        uint8 v;
        bytes32 r;
        bytes32 s;
    }

    function hash(Ask memory ask) internal pure returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    ASK_TYPEHASH,
                    ask.signer,
                    ask.proxy,
                    ask.token,
                    ask.tokenId,
                    ask.amount,
                    ask.strategy,
                    ask.currency,
                    ask.recipient,
                    ask.deadline,
                    keccak256(ask.params)
                )
            );
    }

    function hash(Bid memory bid) internal pure returns (bytes32) {
        return
            keccak256(
                abi.encode(BID_TYPEHASH, bid.askHash, bid.signer, bid.amount, bid.price, bid.recipient, bid.referrer)
            );
    }
}

// File: @openzeppelin/contracts/utils/introspection/IERC165.sol



// SPDX-License-Identifier: MIT

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);
}