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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        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 {
        _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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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 v4.4.1 (utils/Context.sol)

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;
    }
}

// SPDX-License-Identifier: None

pragma solidity ^0.8.19;

import {ERC1155} from "solady/src/tokens/ERC1155.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

contract SavedSoulsArtifacts is ERC1155, Ownable {
  string public tokenBaseUri = "";

  constructor(address deployer) {
    _transferOwnership(deployer);
  }

  function burn(address from, uint256 id, uint256 amount) external {
    if (msg.sender != from && !isApprovedForAll(from, msg.sender))
      revert NotOwnerNorApproved();

    _burn(from, id, amount);
  }

  function uri(
    uint256 id
  ) public view virtual override(ERC1155) returns (string memory) {
    return string(abi.encodePacked(tokenBaseUri, id));
  }

  function setBaseUri(string memory newBaseUri) public onlyOwner {
    tokenBaseUri = newBaseUri;
  }

  function mintBatch(
    address[] calldata to,
    uint256[] calldata ids,
    uint256[] calldata amounts
  ) external onlyOwner {
    if (to.length != ids.length) revert ArrayLengthsMismatch();
    if (to.length != amounts.length) revert ArrayLengthsMismatch();

    for (uint256 i = 0; i < to.length; ) {
      _mint(to[i], ids[i], amounts[i], "");

      unchecked {
        ++i;
      }
    }
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Simple ERC1155 implementation.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol)
abstract contract ERC1155 {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The lengths of the input arrays are not the same.
    error ArrayLengthsMismatch();

    /// @dev Cannot mint or transfer to the zero address.
    error TransferToZeroAddress();

    /// @dev The recipient's balance has overflowed.
    error AccountBalanceOverflow();

    /// @dev Insufficient balance.
    error InsufficientBalance();

    /// @dev Only the token owner or an approved account can manage the tokens.
    error NotOwnerNorApproved();

    /// @dev Cannot safely transfer to a contract that does not implement
    /// the ERC1155Receiver interface.
    error TransferToNonERC1155ReceiverImplementer();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                           EVENTS                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Emitted when `amount` of token `id` is transferred
    /// from `from` to `to` by `operator`.
    event TransferSingle(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256 id,
        uint256 amount
    );

    /// @dev Emitted when `amounts` of token `ids` are transferred
    /// from `from` to `to` by `operator`.
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] amounts
    );

    /// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens.
    event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);

    /// @dev Emitted when the Uniform Resource Identifier (URI) for token `id`
    /// is updated to `value`. This event is not used in the base contract.
    /// You may need to emit this event depending on your URI logic.
    ///
    /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata
    event URI(string value, uint256 indexed id);

    /// @dev `keccak256(bytes("TransferSingle(address,address,address,uint256,uint256)"))`.
    uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE =
        0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62;

    /// @dev `keccak256(bytes("TransferBatch(address,address,address,uint256[],uint256[])"))`.
    uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE =
        0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb;

    /// @dev `keccak256(bytes("ApprovalForAll(address,address,bool)"))`.
    uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =
        0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          STORAGE                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The `ownerSlotSeed` of a given owner is given by.
    /// ```
    ///     let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))
    /// ```
    ///
    /// The balance slot of `owner` is given by.
    /// ```
    ///     mstore(0x20, ownerSlotSeed)
    ///     mstore(0x00, id)
    ///     let balanceSlot := keccak256(0x00, 0x40)
    /// ```
    ///
    /// The operator approval slot of `owner` is given by.
    /// ```
    ///     mstore(0x20, ownerSlotSeed)
    ///     mstore(0x00, operator)
    ///     let operatorApprovalSlot := keccak256(0x0c, 0x34)
    /// ```
    uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                      ERC1155 METADATA                      */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the URI for token `id`.
    ///
    /// You can either return the same templated URI for all token IDs,
    /// (e.g. "https://example.com/api/{id}.json"),
    /// or return a unique URI for each `id`.
    ///
    /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata
    function uri(uint256 id) public view virtual returns (string memory);

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          ERC1155                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the amount of `id` owned by `owner`.
    function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
            mstore(0x00, id)
            result := sload(keccak256(0x00, 0x40))
        }
    }

    /// @dev Returns whether `operator` is approved to manage the tokens of `owner`.
    function isApprovedForAll(address owner, address operator)
        public
        view
        virtual
        returns (bool result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
            mstore(0x00, operator)
            result := sload(keccak256(0x0c, 0x34))
        }
    }

    /// @dev Sets whether `operator` is approved to manage the tokens of the caller.
    ///
    /// Emits a {ApprovalForAll} event.
    function setApprovalForAll(address operator, bool isApproved) public virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Clear the upper 96 bits.
            operator := shr(96, shl(96, operator))
            // Convert to 0 or 1.
            isApproved := iszero(iszero(isApproved))
            // Update the `isApproved` for (`msg.sender`, `operator`).
            mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, caller())))
            mstore(0x00, operator)
            sstore(keccak256(0x0c, 0x34), isApproved)
            // Emit the {ApprovalForAll} event.
            mstore(0x00, isApproved)
            log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), operator)
        }
    }

    /// @dev Transfers `amount` of `id` from `from` to `to`.
    ///
    /// Requirements:
    /// - `to` cannot be the zero address.
    /// - `from` must have at least `amount` of `id`.
    /// - If the caller is not `from`,
    ///   it must be approved to manage the tokens of `from`.
    /// - If `to` refers to a smart contract, it must implement
    ///   {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
    ///
    /// Emits a {Transfer} event.
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) public virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(from, to, _single(id), _single(amount), data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
            let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
            mstore(0x20, fromSlotSeed)
            // Clear the upper 96 bits.
            from := shr(96, fromSlotSeed)
            to := shr(96, toSlotSeed)
            // If the caller is not `from`, do the authorization check.
            if iszero(eq(caller(), from)) {
                mstore(0x00, caller())
                if iszero(sload(keccak256(0x0c, 0x34))) {
                    mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
                    revert(0x1c, 0x04)
                }
            }
            // Revert if `to` is the zero address.
            if iszero(to) {
                mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
                revert(0x1c, 0x04)
            }
            // Subtract and store the updated balance of `from`.
            {
                mstore(0x00, id)
                let fromBalanceSlot := keccak256(0x00, 0x40)
                let fromBalance := sload(fromBalanceSlot)
                if gt(amount, fromBalance) {
                    mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
                    revert(0x1c, 0x04)
                }
                sstore(fromBalanceSlot, sub(fromBalance, amount))
            }
            // Increase and store the updated balance of `to`.
            {
                mstore(0x20, toSlotSeed)
                let toBalanceSlot := keccak256(0x00, 0x40)
                let toBalanceBefore := sload(toBalanceSlot)
                let toBalanceAfter := add(toBalanceBefore, amount)
                if lt(toBalanceAfter, toBalanceBefore) {
                    mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
                    revert(0x1c, 0x04)
                }
                sstore(toBalanceSlot, toBalanceAfter)
            }
            // Emit a {TransferSingle} event.
            {
                mstore(0x20, amount)
                log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)
            }
        }
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(from, to, _single(id), _single(amount), data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            // Do the {onERC1155Received} check if `to` is a smart contract.
            if extcodesize(to) {
                // Prepare the calldata.
                let m := mload(0x40)
                let onERC1155ReceivedSelector := 0xf23a6e61
                mstore(m, onERC1155ReceivedSelector)
                mstore(add(m, 0x20), caller())
                mstore(add(m, 0x40), from)
                mstore(add(m, 0x60), id)
                mstore(add(m, 0x80), amount)
                mstore(add(m, 0xa0), 0xa0)
                calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length))
                // Revert if the call reverts.
                if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) {
                    if returndatasize() {
                        // Bubble up the revert if the delegatecall reverts.
                        returndatacopy(0x00, 0x00, returndatasize())
                        revert(0x00, returndatasize())
                    }
                    mstore(m, 0)
                }
                // Load the returndata and compare it.
                if iszero(eq(mload(m), shl(224, onERC1155ReceivedSelector))) {
                    mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
                    revert(0x1c, 0x04)
                }
            }
        }
    }

    /// @dev Transfers `amounts` of `ids` from `from` to `to`.
    ///
    /// Requirements:
    /// - `to` cannot be the zero address.
    /// - `from` must have at least `amount` of `id`.
    /// - `ids` and `amounts` must have the same length.
    /// - If the caller is not `from`,
    ///   it must be approved to manage the tokens of `from`.
    /// - If `to` refers to a smart contract, it must implement
    ///   {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
    ///
    /// Emits a {TransferBatch} event.
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) public virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(from, to, ids, amounts, data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(eq(ids.length, amounts.length)) {
                mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
                revert(0x1c, 0x04)
            }
            let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
            let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
            mstore(0x20, fromSlotSeed)
            // Clear the upper 96 bits.
            from := shr(96, fromSlotSeed)
            to := shr(96, toSlotSeed)
            // Revert if `to` is the zero address.
            if iszero(to) {
                mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
                revert(0x1c, 0x04)
            }
            // If the caller is not `from`, do the authorization check.
            if iszero(eq(caller(), from)) {
                mstore(0x00, caller())
                if iszero(sload(keccak256(0x0c, 0x34))) {
                    mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
                    revert(0x1c, 0x04)
                }
            }
            // Loop through all the `ids` and update the balances.
            {
                let end := shl(5, ids.length)
                for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {
                    let amount := calldataload(add(amounts.offset, i))
                    // Subtract and store the updated balance of `from`.
                    {
                        mstore(0x20, fromSlotSeed)
                        mstore(0x00, calldataload(add(ids.offset, i)))
                        let fromBalanceSlot := keccak256(0x00, 0x40)
                        let fromBalance := sload(fromBalanceSlot)
                        if gt(amount, fromBalance) {
                            mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
                            revert(0x1c, 0x04)
                        }
                        sstore(fromBalanceSlot, sub(fromBalance, amount))
                    }
                    // Increase and store the updated balance of `to`.
                    {
                        mstore(0x20, toSlotSeed)
                        let toBalanceSlot := keccak256(0x00, 0x40)
                        let toBalanceBefore := sload(toBalanceSlot)
                        let toBalanceAfter := add(toBalanceBefore, amount)
                        if lt(toBalanceAfter, toBalanceBefore) {
                            mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
                            revert(0x1c, 0x04)
                        }
                        sstore(toBalanceSlot, toBalanceAfter)
                    }
                }
            }
            // Emit a {TransferBatch} event.
            {
                let m := mload(0x40)
                // Copy the `ids`.
                mstore(m, 0x40)
                let n := add(0x20, shl(5, ids.length))
                let o := add(m, 0x40)
                calldatacopy(o, sub(ids.offset, 0x20), n)
                // Copy the `amounts`.
                mstore(add(m, 0x20), add(0x40, n))
                o := add(o, n)
                n := add(0x20, shl(5, amounts.length))
                calldatacopy(o, sub(amounts.offset, 0x20), n)
                n := sub(add(o, n), m)
                // Do the emit.
                log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)
            }
        }
        if (_useAfterTokenTransfer()) {
            _afterTokenTransferCalldata(from, to, ids, amounts, data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            // Do the {onERC1155BatchReceived} check if `to` is a smart contract.
            if extcodesize(to) {
                let m := mload(0x40)
                // Prepare the calldata.
                let onERC1155BatchReceivedSelector := 0xbc197c81
                mstore(m, onERC1155BatchReceivedSelector)
                mstore(add(m, 0x20), caller())
                mstore(add(m, 0x40), from)
                // Copy the `ids`.
                mstore(add(m, 0x60), 0xa0)
                let n := add(0x20, shl(5, ids.length))
                let o := add(m, 0xc0)
                calldatacopy(o, sub(ids.offset, 0x20), n)
                // Copy the `amounts`.
                let s := add(0xa0, n)
                mstore(add(m, 0x80), s)
                o := add(o, n)
                n := add(0x20, shl(5, amounts.length))
                calldatacopy(o, sub(amounts.offset, 0x20), n)
                // Copy the `data`.
                mstore(add(m, 0xa0), add(s, n))
                o := add(o, n)
                n := add(0x20, data.length)
                calldatacopy(o, sub(data.offset, 0x20), n)
                n := sub(add(o, n), add(m, 0x1c))
                // Revert if the call reverts.
                if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {
                    if returndatasize() {
                        // Bubble up the revert if the delegatecall reverts.
                        returndatacopy(0x00, 0x00, returndatasize())
                        revert(0x00, returndatasize())
                    }
                    mstore(m, 0)
                }
                // Load the returndata and compare it.
                if iszero(eq(mload(m), shl(224, onERC1155BatchReceivedSelector))) {
                    mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
                    revert(0x1c, 0x04)
                }
            }
        }
    }

    /// @dev Returns the amounts of `ids` for `owners.
    ///
    /// Requirements:
    /// - `owners` and `ids` must have the same length.
    function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
        public
        view
        virtual
        returns (uint256[] memory balances)
    {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(eq(ids.length, owners.length)) {
                mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
                revert(0x1c, 0x04)
            }
            balances := mload(0x40)
            mstore(balances, ids.length)
            let o := add(balances, 0x20)
            let end := shl(5, ids.length)
            mstore(0x40, add(end, o))
            // Loop through all the `ids` and load the balances.
            for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {
                let owner := calldataload(add(owners.offset, i))
                mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
                mstore(0x00, calldataload(add(ids.offset, i)))
                mstore(add(o, i), sload(keccak256(0x00, 0x40)))
            }
        }
    }

    /// @dev Returns true if this contract implements the interface defined by `interfaceId`.
    /// See: https://eips.ethereum.org/EIPS/eip-165
    /// This function call must use less than 30000 gas.
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {
        /// @solidity memory-safe-assembly
        assembly {
            let s := shr(224, interfaceId)
            // ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c.
            result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c))
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  INTERNAL MINT FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Mints `amount` of `id` to `to`.
    ///
    /// Requirements:
    /// - `to` cannot be the zero address.
    /// - If `to` refers to a smart contract, it must implement
    ///   {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
    ///
    /// Emits a {Transfer} event.
    function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(address(0), to, _single(id), _single(amount), data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
            // Clear the upper 96 bits.
            to := shr(96, toSlotSeed)
            // Revert if `to` is the zero address.
            if iszero(to) {
                mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
                revert(0x1c, 0x04)
            }
            // Increase and store the updated balance of `to`.
            {
                mstore(0x20, toSlotSeed)
                mstore(0x00, id)
                let toBalanceSlot := keccak256(0x00, 0x40)
                let toBalanceBefore := sload(toBalanceSlot)
                let toBalanceAfter := add(toBalanceBefore, amount)
                if lt(toBalanceAfter, toBalanceBefore) {
                    mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
                    revert(0x1c, 0x04)
                }
                sstore(toBalanceSlot, toBalanceAfter)
            }
            // Emit a {TransferSingle} event.
            {
                mstore(0x00, id)
                mstore(0x20, amount)
                log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, to)
            }
        }
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(address(0), to, _single(id), _single(amount), data);
        }
        if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data);
    }

    /// @dev Mints `amounts` of `ids` to `to`.
    ///
    /// Requirements:
    /// - `to` cannot be the zero address.
    /// - `ids` and `amounts` must have the same length.
    /// - If `to` refers to a smart contract, it must implement
    ///   {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
    ///
    /// Emits a {TransferBatch} event.
    function _batchMint(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(address(0), to, ids, amounts, data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(eq(mload(ids), mload(amounts))) {
                mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
                revert(0x1c, 0x04)
            }
            let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
            // Clear the upper 96 bits.
            to := shr(96, toSlotSeed)
            // Revert if `to` is the zero address.
            if iszero(to) {
                mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
                revert(0x1c, 0x04)
            }
            // Loop through all the `ids` and update the balances.
            {
                let end := shl(5, mload(ids))
                for { let i := 0 } iszero(eq(i, end)) {} {
                    i := add(i, 0x20)
                    let amount := mload(add(amounts, i))
                    // Increase and store the updated balance of `to`.
                    {
                        mstore(0x20, toSlotSeed)
                        mstore(0x00, mload(add(ids, i)))
                        let toBalanceSlot := keccak256(0x00, 0x40)
                        let toBalanceBefore := sload(toBalanceSlot)
                        let toBalanceAfter := add(toBalanceBefore, amount)
                        if lt(toBalanceAfter, toBalanceBefore) {
                            mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
                            revert(0x1c, 0x04)
                        }
                        sstore(toBalanceSlot, toBalanceAfter)
                    }
                }
            }
            // Emit a {TransferBatch} event.
            {
                let m := mload(0x40)
                // Copy the `ids`.
                mstore(m, 0x40)
                let n := add(0x20, shl(5, mload(ids)))
                let o := add(m, 0x40)
                pop(staticcall(gas(), 4, ids, n, o, n))
                // Copy the `amounts`.
                mstore(add(m, 0x20), add(0x40, returndatasize()))
                o := add(o, returndatasize())
                n := add(0x20, shl(5, mload(amounts)))
                pop(staticcall(gas(), 4, amounts, n, o, n))
                n := sub(add(o, returndatasize()), m)
                // Do the emit.
                log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, to)
            }
        }
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(address(0), to, ids, amounts, data);
        }
        if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  INTERNAL BURN FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Equivalent to `_burn(address(0), from, id, amount)`.
    function _burn(address from, uint256 id, uint256 amount) internal virtual {
        _burn(address(0), from, id, amount);
    }

    /// @dev Destroys `amount` of `id` from `from`.
    ///
    /// Requirements:
    /// - `from` must have at least `amount` of `id`.
    /// - If `by` is not the zero address, it must be either `from`,
    ///   or approved to manage the tokens of `from`.
    ///
    /// Emits a {Transfer} event.
    function _burn(address by, address from, uint256 id, uint256 amount) internal virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(from, address(0), _single(id), _single(amount), "");
        }
        /// @solidity memory-safe-assembly
        assembly {
            let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
            mstore(0x20, fromSlotSeed)
            // Clear the upper 96 bits.
            from := shr(96, fromSlotSeed)
            by := shr(96, shl(96, by))
            // If `by` is not the zero address, and not equal to `from`,
            // check if it is approved to manage all the tokens of `from`.
            if iszero(or(iszero(by), eq(by, from))) {
                mstore(0x00, by)
                if iszero(sload(keccak256(0x0c, 0x34))) {
                    mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
                    revert(0x1c, 0x04)
                }
            }
            // Decrease and store the updated balance of `from`.
            {
                mstore(0x00, id)
                let fromBalanceSlot := keccak256(0x00, 0x40)
                let fromBalance := sload(fromBalanceSlot)
                if gt(amount, fromBalance) {
                    mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
                    revert(0x1c, 0x04)
                }
                sstore(fromBalanceSlot, sub(fromBalance, amount))
            }
            // Emit a {TransferSingle} event.
            {
                mstore(0x00, id)
                mstore(0x20, amount)
                log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, 0)
            }
        }
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(from, address(0), _single(id), _single(amount), "");
        }
    }

    /// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`.
    function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts)
        internal
        virtual
    {
        _batchBurn(address(0), from, ids, amounts);
    }

    /// @dev Destroys `amounts` of `ids` from `from`.
    ///
    /// Requirements:
    /// - `ids` and `amounts` must have the same length.
    /// - `from` must have at least `amounts` of `ids`.
    /// - If `by` is not the zero address, it must be either `from`,
    ///   or approved to manage the tokens of `from`.
    ///
    /// Emits a {TransferBatch} event.
    function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts)
        internal
        virtual
    {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(from, address(0), ids, amounts, "");
        }
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(eq(mload(ids), mload(amounts))) {
                mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
                revert(0x1c, 0x04)
            }
            let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
            mstore(0x20, fromSlotSeed)
            // Clear the upper 96 bits.
            from := shr(96, fromSlotSeed)
            by := shr(96, shl(96, by))
            // If `by` is not the zero address, and not equal to `from`,
            // check if it is approved to manage all the tokens of `from`.
            if iszero(or(iszero(by), eq(by, from))) {
                mstore(0x00, by)
                if iszero(sload(keccak256(0x0c, 0x34))) {
                    mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
                    revert(0x1c, 0x04)
                }
            }
            // Loop through all the `ids` and update the balances.
            {
                let end := shl(5, mload(ids))
                for { let i := 0 } iszero(eq(i, end)) {} {
                    i := add(i, 0x20)
                    let amount := mload(add(amounts, i))
                    // Increase and store the updated balance of `to`.
                    {
                        mstore(0x00, mload(add(ids, i)))
                        let fromBalanceSlot := keccak256(0x00, 0x40)
                        let fromBalance := sload(fromBalanceSlot)
                        if gt(amount, fromBalance) {
                            mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
                            revert(0x1c, 0x04)
                        }
                        sstore(fromBalanceSlot, sub(fromBalance, amount))
                    }
                }
            }
            // Emit a {TransferBatch} event.
            {
                let m := mload(0x40)
                // Copy the `ids`.
                mstore(m, 0x40)
                let n := add(0x20, shl(5, mload(ids)))
                let o := add(m, 0x40)
                pop(staticcall(gas(), 4, ids, n, o, n))
                // Copy the `amounts`.
                mstore(add(m, 0x20), add(0x40, returndatasize()))
                o := add(o, returndatasize())
                n := add(0x20, shl(5, mload(amounts)))
                pop(staticcall(gas(), 4, amounts, n, o, n))
                n := sub(add(o, returndatasize()), m)
                // Do the emit.
                log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, 0)
            }
        }
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(from, address(0), ids, amounts, "");
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                INTERNAL APPROVAL FUNCTIONS                 */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Approve or remove the `operator` as an operator for `by`,
    /// without authorization checks.
    ///
    /// Emits a {ApprovalForAll} event.
    function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Clear the upper 96 bits.
            operator := shr(96, shl(96, operator))
            // Convert to 0 or 1.
            isApproved := iszero(iszero(isApproved))
            // Update the `isApproved` for (`by`, `operator`).
            mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, by)))
            mstore(0x00, operator)
            sstore(keccak256(0x0c, 0x34), isApproved)
            // Emit the {ApprovalForAll} event.
            mstore(0x00, isApproved)
            log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), operator)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                INTERNAL TRANSFER FUNCTIONS                 */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`.
    function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data)
        internal
        virtual
    {
        _safeTransfer(address(0), from, to, id, amount, data);
    }

    /// @dev Transfers `amount` of `id` from `from` to `to`.
    ///
    /// Requirements:
    /// - `to` cannot be the zero address.
    /// - `from` must have at least `amount` of `id`.
    /// - If `by` is not the zero address, it must be either `from`,
    ///   or approved to manage the tokens of `from`.
    /// - If `to` refers to a smart contract, it must implement
    ///   {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
    ///
    /// Emits a {Transfer} event.
    function _safeTransfer(
        address by,
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(from, to, _single(id), _single(amount), data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
            let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
            mstore(0x20, fromSlotSeed)
            // Clear the upper 96 bits.
            from := shr(96, fromSlotSeed)
            to := shr(96, toSlotSeed)
            by := shr(96, shl(96, by))
            // If `by` is not the zero address, and not equal to `from`,
            // check if it is approved to manage all the tokens of `from`.
            if iszero(or(iszero(by), eq(by, from))) {
                mstore(0x00, by)
                if iszero(sload(keccak256(0x0c, 0x34))) {
                    mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
                    revert(0x1c, 0x04)
                }
            }
            // Revert if `to` is the zero address.
            if iszero(to) {
                mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
                revert(0x1c, 0x04)
            }
            // Subtract and store the updated balance of `from`.
            {
                mstore(0x00, id)
                let fromBalanceSlot := keccak256(0x00, 0x40)
                let fromBalance := sload(fromBalanceSlot)
                if gt(amount, fromBalance) {
                    mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
                    revert(0x1c, 0x04)
                }
                sstore(fromBalanceSlot, sub(fromBalance, amount))
            }
            // Increase and store the updated balance of `to`.
            {
                mstore(0x20, toSlotSeed)
                let toBalanceSlot := keccak256(0x00, 0x40)
                let toBalanceBefore := sload(toBalanceSlot)
                let toBalanceAfter := add(toBalanceBefore, amount)
                if lt(toBalanceAfter, toBalanceBefore) {
                    mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
                    revert(0x1c, 0x04)
                }
                sstore(toBalanceSlot, toBalanceAfter)
            }
            // Emit a {TransferSingle} event.
            {
                mstore(0x20, amount)
                log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)
            }
        }
        if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data);
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(from, to, _single(id), _single(amount), data);
        }
    }

    /// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`.
    function _safeBatchTransfer(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        _safeBatchTransfer(address(0), from, to, ids, amounts, data);
    }

    /// @dev Transfers `amounts` of `ids` from `from` to `to`.
    ///
    /// Requirements:
    /// - `to` cannot be the zero address.
    /// - `ids` and `amounts` must have the same length.
    /// - `from` must have at least `amounts` of `ids`.
    /// - If `by` is not the zero address, it must be either `from`,
    ///   or approved to manage the tokens of `from`.
    /// - If `to` refers to a smart contract, it must implement
    ///   {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
    ///
    /// Emits a {TransferBatch} event.
    function _safeBatchTransfer(
        address by,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        if (_useBeforeTokenTransfer()) {
            _beforeTokenTransfer(from, to, ids, amounts, data);
        }
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(eq(mload(ids), mload(amounts))) {
                mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
                revert(0x1c, 0x04)
            }
            let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
            let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
            mstore(0x20, fromSlotSeed)
            // Clear the upper 96 bits.
            from := shr(96, fromSlotSeed)
            to := shr(96, toSlotSeed)
            by := shr(96, shl(96, by))
            // Revert if `to` is the zero address.
            if iszero(to) {
                mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
                revert(0x1c, 0x04)
            }
            // If `by` is not the zero address, and not equal to `from`,
            // check if it is approved to manage all the tokens of `from`.
            if iszero(or(iszero(by), eq(by, from))) {
                mstore(0x00, by)
                if iszero(sload(keccak256(0x0c, 0x34))) {
                    mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
                    revert(0x1c, 0x04)
                }
            }
            // Loop through all the `ids` and update the balances.
            {
                let end := shl(5, mload(ids))
                for { let i := 0 } iszero(eq(i, end)) {} {
                    i := add(i, 0x20)
                    let amount := mload(add(amounts, i))
                    // Subtract and store the updated balance of `from`.
                    {
                        mstore(0x20, fromSlotSeed)
                        mstore(0x00, mload(add(ids, i)))
                        let fromBalanceSlot := keccak256(0x00, 0x40)
                        let fromBalance := sload(fromBalanceSlot)
                        if gt(amount, fromBalance) {
                            mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
                            revert(0x1c, 0x04)
                        }
                        sstore(fromBalanceSlot, sub(fromBalance, amount))
                    }
                    // Increase and store the updated balance of `to`.
                    {
                        mstore(0x20, toSlotSeed)
                        let toBalanceSlot := keccak256(0x00, 0x40)
                        let toBalanceBefore := sload(toBalanceSlot)
                        let toBalanceAfter := add(toBalanceBefore, amount)
                        if lt(toBalanceAfter, toBalanceBefore) {
                            mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
                            revert(0x1c, 0x04)
                        }
                        sstore(toBalanceSlot, toBalanceAfter)
                    }
                }
            }
            // Emit a {TransferBatch} event.
            {
                let m := mload(0x40)
                // Copy the `ids`.
                mstore(m, 0x40)
                let n := add(0x20, shl(5, mload(ids)))
                let o := add(m, 0x40)
                pop(staticcall(gas(), 4, ids, n, o, n))
                // Copy the `amounts`.
                mstore(add(m, 0x20), add(0x40, returndatasize()))
                o := add(o, returndatasize())
                n := add(0x20, shl(5, mload(amounts)))
                pop(staticcall(gas(), 4, amounts, n, o, n))
                n := sub(add(o, returndatasize()), m)
                // Do the emit.
                log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)
            }
        }
        if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data);
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(from, to, ids, amounts, data);
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                    HOOKS FOR OVERRIDING                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Override this function to return true if `_beforeTokenTransfer` is used.
    /// The is to help the compiler avoid producing dead bytecode.
    function _useBeforeTokenTransfer() internal view virtual returns (bool) {
        return false;
    }

    /// @dev Hook that is called before any token transfer.
    /// This includes minting and burning, as well as batched variants.
    ///
    /// The same hook is called on both single and batched variants.
    /// For single transfers, the length of the `id` and `amount` arrays are 1.
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {}

    /// @dev Override this function to return true if `_afterTokenTransfer` is used.
    /// The is to help the compiler avoid producing dead bytecode.
    function _useAfterTokenTransfer() internal view virtual returns (bool) {
        return false;
    }

    /// @dev Hook that is called after any token transfer.
    /// This includes minting and burning, as well as batched variants.
    ///
    /// The same hook is called on both single and batched variants.
    /// For single transfers, the length of the `id` and `amount` arrays are 1.
    function _afterTokenTransfer(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {}

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                      PRIVATE HELPERS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Helper for calling the `_afterTokenTransfer` hook.
    /// The is to help the compiler avoid producing dead bytecode.
    function _afterTokenTransferCalldata(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) private {
        if (_useAfterTokenTransfer()) {
            _afterTokenTransfer(from, to, ids, amounts, data);
        }
    }

    /// @dev Returns if `a` has bytecode of non-zero length.
    function _hasCode(address a) private view returns (bool result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := extcodesize(a) // Can handle dirty upper bits.
        }
    }

    /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`.
    /// Reverts if the target does not support the function correctly.
    function _checkOnERC1155Received(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) private {
        /// @solidity memory-safe-assembly
        assembly {
            // Prepare the calldata.
            let m := mload(0x40)
            let onERC1155ReceivedSelector := 0xf23a6e61
            mstore(m, onERC1155ReceivedSelector)
            mstore(add(m, 0x20), caller())
            mstore(add(m, 0x40), shr(96, shl(96, from)))
            mstore(add(m, 0x60), id)
            mstore(add(m, 0x80), amount)
            mstore(add(m, 0xa0), 0xa0)
            let n := mload(data)
            mstore(add(m, 0xc0), n)
            if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) }
            // Revert if the call reverts.
            if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) {
                if returndatasize() {
                    // Bubble up the revert if the delegatecall reverts.
                    returndatacopy(0x00, 0x00, returndatasize())
                    revert(0x00, returndatasize())
                }
                mstore(m, 0)
            }
            // Load the returndata and compare it.
            if iszero(eq(mload(m), shl(224, onERC1155ReceivedSelector))) {
                mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`.
    /// Reverts if the target does not support the function correctly.
    function _checkOnERC1155BatchReceived(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) private {
        /// @solidity memory-safe-assembly
        assembly {
            // Prepare the calldata.
            let m := mload(0x40)
            let onERC1155BatchReceivedSelector := 0xbc197c81
            mstore(m, onERC1155BatchReceivedSelector)
            mstore(add(m, 0x20), caller())
            mstore(add(m, 0x40), shr(96, shl(96, from)))
            // Copy the `ids`.
            mstore(add(m, 0x60), 0xa0)
            let n := add(0x20, shl(5, mload(ids)))
            let o := add(m, 0xc0)
            pop(staticcall(gas(), 4, ids, n, o, n))
            // Copy the `amounts`.
            let s := add(0xa0, returndatasize())
            mstore(add(m, 0x80), s)
            o := add(o, returndatasize())
            n := add(0x20, shl(5, mload(amounts)))
            pop(staticcall(gas(), 4, amounts, n, o, n))
            // Copy the `data`.
            mstore(add(m, 0xa0), add(s, returndatasize()))
            o := add(o, returndatasize())
            n := add(0x20, mload(data))
            pop(staticcall(gas(), 4, data, n, o, n))
            n := sub(add(o, returndatasize()), add(m, 0x1c))
            // Revert if the call reverts.
            if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {
                if returndatasize() {
                    // Bubble up the revert if the delegatecall reverts.
                    returndatacopy(0x00, 0x00, returndatasize())
                    revert(0x00, returndatasize())
                }
                mstore(m, 0)
            }
            // Load the returndata and compare it.
            if iszero(eq(mload(m), shl(224, onERC1155BatchReceivedSelector))) {
                mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Returns `x` in an array with a single element.
    function _single(uint256 x) private pure returns (uint256[] memory result) {
        assembly {
            result := mload(0x40)
            mstore(0x40, add(result, 0x40))
            mstore(result, 1)
            mstore(add(result, 0x20), x)
        }
    }
}

{
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"deployer","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccountBalanceOverflow","type":"error"},{"inputs":[],"name":"ArrayLengthsMismatch","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"NotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferToNonERC1155ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"isApproved","type":"bool"}],"name":"ApprovalForAll","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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"owners","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"balances","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"result","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"mintBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"isApproved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newBaseUri","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"result","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenBaseUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000069ec82a7682168322316408d772164ba5f8e1fda

-----Decoded View---------------
Arg [0] : deployer (address): 0x69ec82A7682168322316408d772164Ba5F8E1Fda

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000069ec82a7682168322316408d772164ba5f8e1fda