Token

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts/utils/math/Math.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "erc721a-upgradeable/contracts/ERC721AUpgradeable.sol";
import "@beehiveinnovation/rain-protocol/contracts/vm/RainVM.sol";
import {AllStandardOps, ALL_STANDARD_OPS_START, ALL_STANDARD_OPS_LENGTH} from "@beehiveinnovation/rain-protocol/contracts/vm/ops/AllStandardOps.sol";
import {VMState, StateConfig} from "@beehiveinnovation/rain-protocol/contracts/vm/libraries/VMState.sol";

/**
 * config for deploying Vapour721A contract
 */
struct InitializeConfig {
	string name;
	string symbol;
	string baseURI;
	uint256 supplyLimit;
	address recipient;
	address owner;
	address admin;
	uint256 royaltyBPS;
	address currency;
	StateConfig vmStateConfig;
}

struct BuyConfig {
	uint256 maximumPrice;
	uint256 minimumUnits;
	uint256 desiredUnits;
}

// supply limit
uint256 constant LOCAL_OP_SUPPLYLIMIT = 0;
// amount withdrawn
uint256 constant LOCAL_OP_AMOUNT_WITHDRAWN = 1;
//amount payable
uint256 constant LOCAL_OP_AMOUNT_PAYABLE = 2;
//amount payable
uint256 constant LOCAL_OP_ACCOUNT = 3;
//amount payable
uint256 constant LOCAL_OP_TARGET_UNITS = 4;
// the total numbers of tokens
uint256 constant LOCAL_OP_TOTAL_SUPPLY = 5;
// the total unites minted
uint256 constant LOCAL_OP_TOTAL_MINTED = 6;
// number of tokens minted by `owner`.
uint256 constant LOCAL_OP_NUMBER_MINTED = 7;
// number of tokens burned by `owner`.
uint256 constant LOCAL_OP_NUMBER_BURNED = 8;

uint256 constant LOCAL_OPS_LENGTH = 9;

contract Vapour721A is
	ERC721AUpgradeable,
	RainVM,
	VMState,
	OwnableUpgradeable,
	AccessControlUpgradeable
{
	using Strings for uint256;
	using Math for uint256;

	uint256 private immutable localOpsStart;

	uint256 private _supplyLimit;
	uint256 private _amountWithdrawn;
	uint256 private _amountPayable;

	address private _vmStateConfig;
	address private _currency;
	address payable private _recipient;

	// Royalty amount in bps
	uint256 private _royaltyBPS;

	string private baseURI;

	event Buy(address _receiver, uint256 _units, uint256 _cost);
	event Initialize(InitializeConfig config_);
	event RecipientChanged(address newRecipient);
	event Withdraw(
		address _withdrawer,
		uint256 _amountWithdrawn,
		uint256 _totalWithdrawn
	);

	/// Admin role for `DELEGATED_MINTER`.
	bytes32 private constant DELEGATED_MINTER_ADMIN =
		keccak256("DELEGATED_MINTER_ADMIN");
	/// Role for `DELEGATED_MINTER`.
	bytes32 private constant DELEGATED_MINTER = keccak256("DELEGATED_MINTER");

	constructor() {
		localOpsStart = ALL_STANDARD_OPS_START + ALL_STANDARD_OPS_LENGTH;
	}

	function initialize(InitializeConfig memory config_)
		external
		initializerERC721A
		initializer
	{
		__ERC721A_init(config_.name, config_.symbol);
		__Ownable_init();

		_supplyLimit = config_.supplyLimit;
		baseURI = config_.baseURI;

		_royaltyBPS = config_.royaltyBPS;
		require(_royaltyBPS < 10_000, "MAX_ROYALTY");

		setRecipient(config_.recipient);
		transferOwnership(config_.owner);

		require(config_.admin != address(0), "0_ADMIN");
		_setRoleAdmin(DELEGATED_MINTER, DELEGATED_MINTER_ADMIN);

		_grantRole(DELEGATED_MINTER_ADMIN, config_.admin);

		_currency = config_.currency;

		_vmStateConfig = _snapshot(_newState(config_.vmStateConfig));

		emit Initialize(config_);
	}

	function _startTokenId() internal view virtual override returns (uint256) {
		return 1;
	}

	function tokenURI(uint256 tokenId)
		public
		view
		virtual
		override
		returns (string memory)
	{
		if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
		return string(abi.encodePacked(baseURI, "/", tokenId.toString(), ".json"));
	}

	function calculateBuy(address account_, uint256 targetUnits_)
		public
		view
		returns (uint256 maxUnits_, uint256 price_)
	{
		State memory state_ = _restore(_vmStateConfig);
		eval(abi.encode(account_, targetUnits_), state_, 0);

		(maxUnits_, price_) = (
			state_.stack[state_.stackIndex - 2],
			state_.stack[state_.stackIndex - 1]
		);
	}

	function _mintNFT(address receiver, BuyConfig memory config_) internal {
		require(0 < config_.minimumUnits, "0_MINIMUM");
		require(
			config_.minimumUnits <= config_.desiredUnits,
			"MINIMUM_OVER_DESIRED"
		);

		uint256 remainingUnits_ = _supplyLimit - _totalMinted();
		uint256 targetUnits_ = config_.desiredUnits.min(remainingUnits_);

		(uint256 maxUnits_, uint256 price_) = calculateBuy(receiver, targetUnits_);

		uint256 units_ = maxUnits_.min(targetUnits_);
		require(units_ >= config_.minimumUnits, "INSUFFICIENT_STOCK");

		require(price_ <= config_.maximumPrice, "MAXIMUM_PRICE");
		uint256 cost_ = price_ * units_;
		if (_currency == address(0)) {
			require(msg.value >= cost_, "INSUFFICIENT_FUND");
			Address.sendValue(payable(msg.sender), msg.value - cost_);
		} else IERC20(_currency).transferFrom(msg.sender, address(this), cost_);

		unchecked {
			_amountPayable = _amountPayable + cost_;
		}
		_mint(receiver, units_);
		emit Buy(receiver, units_, cost_);
	}

	function mintNFT(BuyConfig calldata config_) external payable {
		_mintNFT(msg.sender, config_);
	}

	/// A minting function that allows minting to an address other than the
	/// sender of the transaction/account that pays. This opens up the
	/// possibility of using 3rd party services that will mint on a user's
	/// behalf if they pay with some other form of payment. The BuyConfig for
	/// the mint is split out of its struct, also for easier integration.
	/// The downside is, this way of minting could be vulnerable to a phishing
	/// attack - an attacker could create a duplicate front end that makes the
	/// user think they are minting to themselves, when actually they are
	/// minting to someone else. To mitigate against this we restrict access to
	/// this function to only those accounts with the 'DELEGATED_MINTER' role.
	/// @param receiver the receiver of the NFTs
	/// @param maximumPrice maximum price, as per BuyConfig
	/// @param minimumUnits minimum units, as per BuyConfig
	/// @param desiredUnits desired units, as per BuyConfig
	function mintNFTFor(
		address receiver,
		uint256 maximumPrice,
		uint256 minimumUnits,
		uint256 desiredUnits
	) external payable onlyRole(DELEGATED_MINTER) {
		_mintNFT(receiver, BuyConfig(maximumPrice, minimumUnits, desiredUnits));
	}

	function setRecipient(address newRecipient) public {
		require(
			msg.sender == _recipient || _recipient == address(0),
			"RECIPIENT_ONLY"
		);
		require(
			newRecipient.code.length == 0 && newRecipient != address(0),
			"INVALID_ADDRESS."
		);
		_recipient = payable(newRecipient);
		emit RecipientChanged(newRecipient);
	}

	function burn(uint256 tokenId) external {
		_burn(tokenId, true);
	}

	function withdraw() external {
		require(_amountPayable > 0, "ZERO_FUND");
		unchecked {
			_amountWithdrawn = _amountWithdrawn + _amountPayable;
		}
		emit Withdraw(msg.sender, _amountPayable, _amountWithdrawn);

		if (_currency == address(0)) Address.sendValue(_recipient, _amountPayable);
		else IERC20(_currency).transfer(_recipient, _amountPayable);

		_amountPayable = 0;
	}

	//// @dev Get royalty information for token
	//// @param _salePrice Sale price for the token
	function royaltyInfo(uint256, uint256 _salePrice)
		external
		view
		returns (address receiver, uint256 royaltyAmount)
	{
		if (_recipient == address(0x0)) {
			return (_recipient, 0);
		}
		return (_recipient, (_salePrice * _royaltyBPS) / 10_000);
	}

	/// @inheritdoc RainVM
	function applyOp(
		bytes memory context_,
		State memory state_,
		uint256 opcode_,
		uint256 operand_
	) internal view override {
		unchecked {
			if (opcode_ < localOpsStart) {
				AllStandardOps.applyOp(
					state_,
					opcode_ - ALL_STANDARD_OPS_START,
					operand_
				);
			} else {
				(uint256 account_, uint256 units_) = abi.decode(
					context_,
					(uint256, uint256)
				);
				opcode_ -= localOpsStart;
				require(opcode_ < LOCAL_OPS_LENGTH, "MAX_OPCODE");
				if (opcode_ == LOCAL_OP_AMOUNT_PAYABLE) {
					state_.stack[state_.stackIndex] = _amountPayable;
				} else if (opcode_ == LOCAL_OP_AMOUNT_WITHDRAWN) {
					state_.stack[state_.stackIndex] = _amountWithdrawn;
				} else if (opcode_ == LOCAL_OP_SUPPLYLIMIT) {
					state_.stack[state_.stackIndex] = _supplyLimit;
				} else if (opcode_ == LOCAL_OP_ACCOUNT) {
					state_.stack[state_.stackIndex] = account_;
				} else if (opcode_ == LOCAL_OP_TARGET_UNITS) {
					state_.stack[state_.stackIndex] = units_;
				} else if (opcode_ == LOCAL_OP_TOTAL_SUPPLY) {
					state_.stack[state_.stackIndex] = totalSupply();
				} else if (opcode_ == LOCAL_OP_TOTAL_MINTED) {
					state_.stack[state_.stackIndex] = _totalMinted();
				} else if (opcode_ == LOCAL_OP_NUMBER_MINTED) {
					address account = address(
						uint160(state_.stack[state_.stackIndex - 1])
					);
					state_.stack[state_.stackIndex - 1] = _numberMinted(account);
					state_.stackIndex--;
				} else if (opcode_ == LOCAL_OP_NUMBER_BURNED) {
					address account = address(
						uint160(state_.stack[state_.stackIndex - 1])
					);
					state_.stack[state_.stackIndex - 1] = _numberBurned(account);
					state_.stackIndex--;
				}
				state_.stackIndex++;
			}
		}
	}

	function supportsInterface(bytes4 interfaceId)
		public
		view
		virtual
		override(AccessControlUpgradeable, ERC721AUpgradeable)
		returns (bool)
	{
		return ERC721AUpgradeable.supportsInterface(interfaceId);
	}
}

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

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _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);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. It the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`.
        // We also know that `k`, the position of the most significant bit, is such that `msb(a) = 2**k`.
        // This gives `2**k < a <= 2**(k+1)` → `2**(k/2) <= sqrt(a) < 2 ** (k/2+1)`.
        // Using an algorithm similar to the msb conmputation, we are able to compute `result = 2**(k/2)` which is a
        // good first aproximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1;
        uint256 x = a;
        if (x >> 128 > 0) {
            x >>= 128;
            result <<= 64;
        }
        if (x >> 64 > 0) {
            x >>= 64;
            result <<= 32;
        }
        if (x >> 32 > 0) {
            x >>= 32;
            result <<= 16;
        }
        if (x >> 16 > 0) {
            x >>= 16;
            result <<= 8;
        }
        if (x >> 8 > 0) {
            x >>= 8;
            result <<= 4;
        }
        if (x >> 4 > 0) {
            x >>= 4;
            result <<= 2;
        }
        if (x >> 2 > 0) {
            result <<= 1;
        }

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        uint256 result = sqrt(a);
        if (rounding == Rounding.Up && result * result < a) {
            result += 1;
        }
        return result;
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

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

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        StringsUpgradeable.toHexString(uint160(account), 20),
                        " is missing role ",
                        StringsUpgradeable.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721AUpgradeable.sol';
import {ERC721AStorage} from './ERC721AStorage.sol';
import './ERC721A__Initializable.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721ReceiverUpgradeable {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721AUpgradeable is ERC721A__Initializable, IERC721AUpgradeable {
    using ERC721AStorage for ERC721AStorage.Layout;

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializingERC721A {
        __ERC721A_init_unchained(name_, symbol_);
    }

    function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializingERC721A {
        ERC721AStorage.layout()._name = name_;
        ERC721AStorage.layout()._symbol = symbol_;
        ERC721AStorage.layout()._currentIndex = _startTokenId();
    }

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @dev Returns the starting token ID.
     * To change the starting token ID, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return ERC721AStorage.layout()._currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return ERC721AStorage.layout()._currentIndex - ERC721AStorage.layout()._burnCounter - _startTokenId();
        }
    }

    /**
     * @dev Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view virtual returns (uint256) {
        // Counter underflow is impossible as `_currentIndex` does not decrement,
        // and it is initialized to `_startTokenId()`.
        unchecked {
            return ERC721AStorage.layout()._currentIndex - _startTokenId();
        }
    }

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return ERC721AStorage.layout()._burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return ERC721AStorage.layout()._packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return
            (ERC721AStorage.layout()._packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return
            (ERC721AStorage.layout()._packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return uint64(ERC721AStorage.layout()._packedAddressData[owner] >> _BITPOS_AUX);
    }

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = ERC721AStorage.layout()._packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        ERC721AStorage.layout()._packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return ERC721AStorage.layout()._name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return ERC721AStorage.layout()._symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(ERC721AStorage.layout()._packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (ERC721AStorage.layout()._packedOwnerships[index] == 0) {
            ERC721AStorage.layout()._packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < ERC721AStorage.layout()._currentIndex) {
                    uint256 packed = ERC721AStorage.layout()._packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = ERC721AStorage.layout()._packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @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) public virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        ERC721AStorage.layout()._tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return ERC721AStorage.layout()._tokenApprovals[tokenId].value;
    }

    /**
     * @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) public virtual override {
        if (operator == _msgSenderERC721A()) revert ApproveToCaller();

        ERC721AStorage.layout()._operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return ERC721AStorage.layout()._operatorApprovals[owner][operator];
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < ERC721AStorage.layout()._currentIndex && // If within bounds,
            ERC721AStorage.layout()._packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        ERC721AStorage.TokenApprovalRef storage tokenApproval = ERC721AStorage.layout()._tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId]`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) public virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // We can directly increment and decrement the balances.
            --ERC721AStorage.layout()._packedAddressData[from]; // Updates: `balance -= 1`.
            ++ERC721AStorage.layout()._packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            ERC721AStorage.layout()._packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (ERC721AStorage.layout()._packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != ERC721AStorage.layout()._currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        ERC721AStorage.layout()._packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @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 memory _data
    ) public virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token IDs
     * are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token IDs
     * have been transferred. This includes minting.
     * And also called after one token has been burned.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try
            ERC721A__IERC721ReceiverUpgradeable(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data)
        returns (bytes4 retval) {
            return retval == ERC721A__IERC721ReceiverUpgradeable(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = ERC721AStorage.layout()._currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            ERC721AStorage.layout()._packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            ERC721AStorage.layout()._packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            ERC721AStorage.layout()._currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = ERC721AStorage.layout()._currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            ERC721AStorage.layout()._packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            ERC721AStorage.layout()._packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            ERC721AStorage.layout()._currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = ERC721AStorage.layout()._currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (ERC721AStorage.layout()._currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            ERC721AStorage.layout()._packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            ERC721AStorage.layout()._packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (ERC721AStorage.layout()._packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != ERC721AStorage.layout()._currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        ERC721AStorage.layout()._packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            ERC721AStorage.layout()._burnCounter++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = ERC721AStorage.layout()._packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        ERC721AStorage.layout()._packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory ptr) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit),
            // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged.
            // We will need 1 32-byte word to store the length,
            // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128.
            ptr := add(mload(0x40), 128)
            // Update the free memory pointer to allocate.
            mstore(0x40, ptr)

            // Cache the end of the memory to calculate the length later.
            let end := ptr

            // We write the string from the rightmost digit to the leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // Costs a bit more than early returning for the zero case,
            // but cheaper in terms of deployment and overall runtime costs.
            for {
                // Initialize and perform the first pass without check.
                let temp := value
                // Move the pointer 1 byte leftwards to point to an empty character slot.
                ptr := sub(ptr, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(ptr, add(48, mod(temp, 10)))
                temp := div(temp, 10)
            } temp {
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
            } {
                // Body of the for loop.
                ptr := sub(ptr, 1)
                mstore8(ptr, add(48, mod(temp, 10)))
            }

            let length := sub(end, ptr)
            // Move the pointer 32 bytes leftwards to make room for the length.
            ptr := sub(ptr, 32)
            // Store the length.
            mstore(ptr, length)
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import "hardhat/console.sol";

/// Everything required to evaluate and track the state of a rain script.
/// As this is a struct it will be in memory when passed to `RainVM` and so
/// will be modified by reference internally. This is important for gas
/// efficiency; the stack, arguments and stackIndex will likely be mutated by
/// the running script.
/// @param stackIndex Opcodes write to the stack at the stack index and can
/// consume from the stack by decrementing the index and reading between the
/// old and new stack index.
/// IMPORANT: The stack is never zeroed out so the index must be used to
/// find the "top" of the stack as the result of an `eval`.
/// @param stack Stack is the general purpose runtime state that opcodes can
/// read from and write to according to their functionality.
/// @param sources Sources available to be executed by `eval`.
/// Notably `ZIPMAP` can also select a source to execute by index.
/// @param constants Constants that can be copied to the stack by index by
/// `VAL`.
/// @param arguments `ZIPMAP` populates arguments which can be copied to the
/// stack by `VAL`.
struct State {
    uint256 stackIndex;
    uint256[] stack;
    bytes[] sources;
    uint256[] constants;
    uint256[] arguments;
}

/// @dev Number of provided opcodes for `RainVM`.
uint256 constant RAIN_VM_OPS_LENGTH = 5;

/// @title RainVM
/// @notice micro VM for implementing and executing custom contract DSLs.
/// Libraries and contracts map opcodes to `view` functionality then RainVM
/// runs rain scripts using these opcodes. Rain scripts dispatch as pairs of
/// bytes. The first byte is an opcode to run and the second byte is a value
/// the opcode can use contextually to inform how to run. Typically opcodes
/// will read/write to the stack to produce some meaningful final state after
/// all opcodes have been dispatched.
///
/// The only thing required to run a rain script is a `State` struct to pass
/// to `eval`, and the index of the source to run. Additional context can
/// optionally be provided to be used by opcodes. For example, an `ITier`
/// contract can take the input of `report`, abi encode it as context, then
/// expose a local opcode that copies this account to the stack. The state will
/// be mutated by reference rather than returned by `eval`, this is to make it
/// very clear to implementers that the inline mutation is occurring.
///
/// Rain scripts run "top to bottom", i.e. "left to right".
/// See the tests for examples on how to construct rain script in JavaScript
/// then pass to `ImmutableSource` contracts deployed by a factory that then
/// run `eval` to produce a final value.
///
/// There are only 4 "core" opcodes for `RainVM`:
/// - `0`: Skip self and optionally additional opcodes, `0 0` is a noop.
///   DEPRECATED! DON'T USE SKIP!
///   See https://github.com/beehive-innovation/rain-protocol/issues/262
/// - `1`: Copy value from either `constants` or `arguments` at index `operand`
///   to the top of the stack. High bit of `operand` is `0` for `constants` and
///   `1` for `arguments`.
/// - `2`: Duplicates the value at stack index `operand_` to the top of the
///   stack.
/// - `3`: Zipmap takes N values from the stack, interprets each as an array of
///   configurable length, then zips them into `arguments` and maps a source
///   from `sources` over these. See `zipmap` for more details.
///
/// To do anything useful the contract that inherits `RainVM` needs to provide
/// opcodes to build up an internal DSL. This may sound complex but it only
/// requires mapping opcode integers to functions to call, and reading/writing
/// values to the stack as input/output for these functions. Further, opcode
/// packs are provided in rain that any inheriting contract can use as a normal
/// solidity library. See `MathOps.sol` opcode pack and the
/// `CalculatorTest.sol` test contract for an example of how to dispatch
/// opcodes and handle the results in a wrapping contract.
///
/// RainVM natively has no concept of branching logic such as `if` or loops.
/// An opcode pack could implement these similar to the core zipmap by lazily
/// evaluating a source from `sources` based on some condition, etc. Instead
/// some simpler, eagerly evaluated selection tools such as `min` and `max` in
/// the `MathOps` opcode pack are provided. Future versions of `RainVM` MAY
/// implement lazy `if` and other similar patterns.
///
/// The `eval` function is `view` because rain scripts are expected to compute
/// results only without modifying any state. The contract wrapping the VM is
/// free to mutate as usual. This model encourages exposing only read-only
/// functionality to end-user deployers who provide scripts to a VM factory.
/// Removing all writes removes a lot of potential foot-guns for rain script
/// authors and allows VM contract authors to reason more clearly about the
/// input/output of the wrapping solidity code.
///
/// Internally `RainVM` makes heavy use of unchecked math and assembly logic
/// as the opcode dispatch logic runs on a tight loop and so gas costs can ramp
/// up very quickly. Implementing contracts and opcode packs SHOULD require
/// that opcodes they receive do not exceed the codes they are expecting.
abstract contract RainVM {
    /// DEPRECATED! DONT USE SKIP!
    /// `0` is a skip as this is the fallback value for unset solidity bytes.
    /// Any additional "whitespace" in rain scripts will be noops as `0 0` is
    /// "skip self". The val can be used to skip additional opcodes but take
    /// care to not underflow the source itself.
    uint256 private constant OP_SKIP = 0;
    /// `1` copies a value either off `constants` or `arguments` to the top of
    /// the stack. The high bit of the operand specifies which, `0` for
    /// `constants` and `1` for `arguments`.
    uint256 private constant OP_VAL = 1;
    /// `2` Duplicates the value at index `operand_` to the top of the stack.
    uint256 private constant OP_DUP = 2;
    /// `3` takes N values off the stack, interprets them as an array then zips
    /// and maps a source from `sources` over them. The source has access to
    /// the original constants using `1 0` and to zipped arguments as `1 1`.
    uint256 private constant OP_ZIPMAP = 3;
    /// `4` ABI encodes the entire stack and logs it to the hardhat console.
    uint256 private constant OP_DEBUG = 4;

    /// Zipmap is rain script's native looping construct.
    /// N values are taken from the stack as `uint256` then split into `uintX`
    /// values where X is configurable by `operand_`. Each 1 increment in the
    /// operand size config doubles the number of items in the implied arrays.
    /// For example, size 0 is 1 `uint256` value, size 1 is
    /// `2x `uint128` values, size 2 is 4x `uint64` values and so on.
    ///
    /// The implied arrays are zipped and then copied into `arguments` and
    /// mapped over with a source from `sources`. Each iteration of the mapping
    /// copies values into `arguments` from index `0` but there is no attempt
    /// to zero out any values that may already be in the `arguments` array.
    /// It is the callers responsibility to ensure that the `arguments` array
    /// is correctly sized and populated for the mapped source.
    ///
    /// The `operand_` for the zipmap opcode is split into 3 components:
    /// - 3 low bits: The index of the source to use from `sources`.
    /// - 2 middle bits: The size of the loop, where 0 is 1 iteration
    /// - 3 high bits: The number of vals to be zipped from the stack where 0
    ///   is 1 value to be zipped.
    ///
    /// This is a separate function to avoid blowing solidity compile stack.
    /// In the future it may be moved inline to `eval` for gas efficiency.
    ///
    /// See https://en.wikipedia.org/wiki/Zipping_(computer_science)
    /// See https://en.wikipedia.org/wiki/Map_(higher-order_function)
    /// @param context_ Domain specific context the wrapping contract can
    /// provide to passthrough back to its own opcodes.
    /// @param state_ The execution state of the VM.
    /// @param operand_ The operand_ associated with this dispatch to zipmap.
    function zipmap(
        bytes memory context_,
        State memory state_,
        uint256 operand_
    ) internal view {
        unchecked {
            uint256 sourceIndex_;
            uint256 stepSize_;
            uint256 offset_;
            uint256 valLength_;
            // assembly here to shave some gas.
            assembly {
                // rightmost 3 bits are the index of the source to use from
                // sources in `state_`.
                sourceIndex_ := and(operand_, 0x07)
                // bits 4 and 5 indicate size of the loop. Each 1 increment of
                // the size halves the bits of the arguments to the zipmap.
                // e.g. 256 `stepSize_` would copy all 256 bits of the uint256
                // into args for the inner `eval`. A loop size of `1` would
                // shift `stepSize_` by 1 (halving it) and meaning the uint256
                // is `eval` as 2x 128 bit values (runs twice). A loop size of
                // `2` would run 4 times as 64 bit values, and so on.
                //
                // Slither false positive here for the shift of constant `256`.
                // slither-disable-next-line incorrect-shift
                stepSize_ := shr(and(shr(3, operand_), 0x03), 256)
                // `offset_` is used by the actual bit shifting operations and
                // is precalculated here to save some gas as this is a hot
                // performance path.
                offset_ := sub(256, stepSize_)
                // bits 5+ determine the number of vals to be zipped. At least
                // one value must be provided so a `valLength_` of `0` is one
                // value to loop over.
                valLength_ := add(shr(5, operand_), 1)
            }
            state_.stackIndex -= valLength_;

            uint256[] memory baseVals_ = new uint256[](valLength_);
            for (uint256 a_ = 0; a_ < valLength_; a_++) {
                baseVals_[a_] = state_.stack[state_.stackIndex + a_];
            }

            for (uint256 step_ = 0; step_ < 256; step_ += stepSize_) {
                for (uint256 a_ = 0; a_ < valLength_; a_++) {
                    state_.arguments[a_] =
                        (baseVals_[a_] << (offset_ - step_)) >>
                        offset_;
                }
                eval(context_, state_, sourceIndex_);
            }
        }
    }

    /// Evaluates a rain script.
    /// The main workhorse of the rain VM, `eval` runs any core opcodes and
    /// dispatches anything it is unaware of to the implementing contract.
    /// For a script to be useful the implementing contract must override
    /// `applyOp` and dispatch non-core opcodes to domain specific logic. This
    /// could be mathematical operations for a calculator, tier reports for
    /// a membership combinator, entitlements for a minting curve, etc.
    ///
    /// Everything required to coordinate the execution of a rain script to
    /// completion is contained in the `State`. The context and source index
    /// are provided so the caller can provide additional data and kickoff the
    /// opcode dispatch from the correct source in `sources`.
    function eval(
        bytes memory context_,
        State memory state_,
        uint256 sourceIndex_
    ) internal view {
        // State needs to start with the stack index at a valid position which
        // may not be the case in general.
        require(state_.stackIndex <= state_.stack.length, "STACK_OVERFLOW");

        // Everything in eval can be checked statically, there are no dynamic
        // runtime values read from the stack that can cause out of bounds
        // behaviour. E.g. sourceIndex in zipmap and size of a skip are both
        // taken from the operand in the source, not the stack. A program that
        // operates out of bounds SHOULD be flagged by static code analysis and
        // avoided by end-users.
        unchecked {
            uint256 i_ = 0;
            uint256 opcode_;
            uint256 operand_;
            uint256 len_;
            uint256 sourceLocation_;
            uint256 constantsLocation_;
            uint256 argumentsLocation_;
            uint256 stackLocation_;
            assembly {
                stackLocation_ := mload(add(state_, 0x20))
                sourceLocation_ := mload(
                    add(
                        mload(add(state_, 0x40)),
                        add(0x20, mul(sourceIndex_, 0x20))
                    )
                )
                constantsLocation_ := mload(add(state_, 0x60))
                argumentsLocation_ := mload(add(state_, 0x80))
                len_ := mload(sourceLocation_)
            }

            // Loop until complete.
            while (i_ < len_) {
                assembly {
                    i_ := add(i_, 2)
                    let op_ := mload(add(sourceLocation_, i_))
                    opcode_ := byte(30, op_)
                    operand_ := byte(31, op_)
                }
                if (opcode_ < RAIN_VM_OPS_LENGTH) {
                    if (opcode_ == OP_VAL) {
                        assembly {
                            let location_ := argumentsLocation_
                            if iszero(and(operand_, 0x80)) {
                                location_ := constantsLocation_
                            }

                            let valIndex_ := and(operand_, 0x7F)
                            // Attempted to read beyond constants/arguments.
                            if iszero(lt(valIndex_, mload(location_))) {
                                revert(0, 0)
                            }

                            let stackIndex_ := mload(state_)
                            // Copy value to stack.
                            mstore(
                                add(
                                    stackLocation_,
                                    add(0x20, mul(stackIndex_, 0x20))
                                ),
                                mload(
                                    add(
                                        location_,
                                        add(0x20, mul(valIndex_, 0x20))
                                    )
                                )
                            )
                            mstore(state_, add(stackIndex_, 1))
                        }
                    } else if (opcode_ == OP_DUP) {
                        assembly {
                            let stackIndex_ := mload(state_)
                            // DUPing data past the values on the stack.
                            if iszero(lt(operand_, stackIndex_)) {
                                revert(0, 0)
                            }
                            mstore(
                                add(
                                    stackLocation_,
                                    add(0x20, mul(stackIndex_, 0x20))
                                ),
                                mload(
                                    add(
                                        stackLocation_,
                                        add(0x20, mul(operand_, 0x20))
                                    )
                                )
                            )
                            mstore(state_, add(stackIndex_, 1))
                        }
                    } else if (opcode_ == OP_ZIPMAP) {
                        zipmap(context_, state_, operand_);
                    } else if (opcode_ == OP_DEBUG) {
                        console.logBytes(abi.encode(state_));
                    } else {
                        // SKIP was deprecated and is now removed. This is due
                        // to skip making it impossible to statically analyse
                        // a script to calculate a valid stack length ahead of
                        // time.
                        require(opcode_ != OP_SKIP, "SKIP_REMOVED");
                    }
                } else {
                    applyOp(context_, state_, opcode_, operand_);
                }
                // The stack index may be the same as the length as this means
                // the stack is full. But we cannot write past the end of the
                // stack. This also catches a stack index that underflows due
                // to unchecked or assembly math. This check MAY be redundant
                // with standard OOB checks on the stack array due to indexing
                // into it, but is a required guard in the case of VM assembly.
                // Future versions of the VM will precalculate all stack
                // movements at deploy time rather than runtime as this kind of
                // accounting adds nontrivial gas across longer scripts that
                // include many opcodes.
                // Note: This check would NOT be safe in the case that some
                // opcode used assembly in a way that can underflow the stack
                // as this would allow a malicious rain script to write to the
                // stack length and/or the stack index.
                require(
                    state_.stackIndex <= state_.stack.length,
                    "STACK_OVERFLOW"
                );
            }
        }
    }

    /// Every contract that implements `RainVM` should override `applyOp` so
    /// that useful opcodes are available to script writers.
    /// For an example of a simple and efficient `applyOp` implementation that
    /// dispatches over several opcode packs see `CalculatorTest.sol`.
    /// Implementing contracts are encouraged to handle the dispatch with
    /// unchecked math as the dispatch is a critical performance path and
    /// default solidity checked math can significantly increase gas cost for
    /// each opcode dispatched. Consider that a single zipmap could loop over
    /// dozens of opcode dispatches internally.
    /// Stack is modified by reference NOT returned.
    /// @param context_ Bytes that the implementing contract can passthrough
    /// to be ready internally by its own opcodes. RainVM ignores the context.
    /// @param state_ The RainVM state that tracks the execution progress.
    /// @param opcode_ The current opcode to dispatch.
    /// @param operand_ Additional information to inform the opcode dispatch.
    function applyOp(
        bytes memory context_,
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal view virtual {} //solhint-disable-line no-empty-blocks
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State, RainVM, RAIN_VM_OPS_LENGTH} from "../RainVM.sol";
// solhint-disable-next-line max-line-length
import {EVMConstantOps, EVM_CONSTANT_OPS_LENGTH} from "./evm/EVMConstantOps.sol";
// solhint-disable-next-line max-line-length
import {FixedPointMathOps, FIXED_POINT_MATH_OPS_LENGTH} from "./math/FixedPointMathOps.sol";
import {IERC20Ops, IERC20_OPS_LENGTH} from "./token/IERC20Ops.sol";
import {IERC721Ops, IERC721_OPS_LENGTH} from "./token/IERC721Ops.sol";
import {IERC1155Ops, IERC1155_OPS_LENGTH} from "./token/IERC1155Ops.sol";
import {LogicOps, LOGIC_OPS_LENGTH} from "./math/LogicOps.sol";
import {MathOps, MATH_OPS_LENGTH} from "./math/MathOps.sol";
import {TierOps, TIER_OPS_LENGTH} from "./tier/TierOps.sol";

uint256 constant ALL_STANDARD_OPS_START = RAIN_VM_OPS_LENGTH;
uint256 constant FIXED_POINT_MATH_OPS_START = EVM_CONSTANT_OPS_LENGTH;
uint256 constant MATH_OPS_START = FIXED_POINT_MATH_OPS_START +
    FIXED_POINT_MATH_OPS_LENGTH;
uint256 constant LOGIC_OPS_START = MATH_OPS_START + MATH_OPS_LENGTH;
uint256 constant TIER_OPS_START = LOGIC_OPS_START + LOGIC_OPS_LENGTH;
uint256 constant IERC20_OPS_START = TIER_OPS_START + TIER_OPS_LENGTH;
uint256 constant IERC721_OPS_START = IERC20_OPS_START + IERC20_OPS_LENGTH;
uint256 constant IERC1155_OPS_START = IERC721_OPS_START + IERC721_OPS_LENGTH;
uint256 constant ALL_STANDARD_OPS_LENGTH = IERC1155_OPS_START +
    IERC1155_OPS_LENGTH;

/// @title AllStandardOps
/// @notice RainVM opcode pack to expose all other packs.
library AllStandardOps {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal view {
        unchecked {
            if (opcode_ < FIXED_POINT_MATH_OPS_START) {
                EVMConstantOps.applyOp(state_, opcode_, operand_);
            } else if (opcode_ < TIER_OPS_START) {
                if (opcode_ < MATH_OPS_START) {
                    FixedPointMathOps.applyOp(
                        state_,
                        opcode_ - FIXED_POINT_MATH_OPS_START,
                        operand_
                    );
                } else if (opcode_ < LOGIC_OPS_START) {
                    MathOps.applyOp(state_, opcode_ - MATH_OPS_START, operand_);
                } else {
                    LogicOps.applyOp(
                        state_,
                        opcode_ - LOGIC_OPS_START,
                        operand_
                    );
                }
            } else if (opcode_ < IERC20_OPS_START) {
                TierOps.applyOp(state_, opcode_ - TIER_OPS_START, operand_);
            } else {
                if (opcode_ < IERC721_OPS_START) {
                    IERC20Ops.applyOp(
                        state_,
                        opcode_ - IERC20_OPS_START,
                        operand_
                    );
                } else if (opcode_ < IERC1155_OPS_START) {
                    IERC721Ops.applyOp(
                        state_,
                        opcode_ - IERC721_OPS_START,
                        operand_
                    );
                } else {
                    IERC1155Ops.applyOp(
                        state_,
                        opcode_ - IERC1155_OPS_START,
                        operand_
                    );
                }
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../RainVM.sol";
import "../../sstore2/SSTORE2.sol";

/// Config required to build a new `State`.
/// @param sources Sources verbatim.
/// @param constants Constants verbatim.
/// @param stackLength Sets the length of the uint256[] of the stack.
/// @param argumentsLength Sets the length of the uint256[] of the arguments.
struct StateConfig {
    bytes[] sources;
    uint256[] constants;
    uint256 stackLength;
    uint256 argumentsLength;
}

/// @title StateSnapshot
/// @notice Deploys everything required to build a fresh `State` for rainVM
/// execution as an evm contract onchain. Uses SSTORE2 to abi encode rain
/// script into evm bytecode, then stores an immutable pointer to the resulting
/// contract. Allows arbitrary length rain script source, constants and stack.
/// Gas scales for reads much better for longer data than attempting to put
/// all the source into storage.
/// See https://github.com/0xsequence/sstore2
contract VMState {
    /// A new shapshot has been deployed onchain.
    /// @param sender `msg.sender` of the deployer.
    /// @param pointer Pointer to the onchain snapshot contract.
    /// @param state `State` of the snapshot that was deployed.
    event Snapshot(address sender, address pointer, State state);

    /// Builds a new `State` from `StateConfig`.
    /// Empty stack and arguments with stack index 0.
    /// @param config_ State config to build the new `State`.
    function _newState(StateConfig memory config_)
        internal
        pure
        returns (State memory)
    {
        require(config_.sources.length > 0, "0_SOURCES");
        return
            State(
                0,
                new uint256[](config_.stackLength),
                config_.sources,
                config_.constants,
                new uint256[](config_.argumentsLength)
            );
    }

    /// Snapshot a RainVM state as an immutable onchain contract.
    /// Usually `State` will be new as per `newState` but can be a snapshot of
    /// an "in flight" execution state also.
    /// @param state_ The state to snapshot.
    function _snapshot(State memory state_) internal returns (address) {
        address pointer_ = SSTORE2.write(abi.encode(state_));
        emit Snapshot(msg.sender, pointer_, state_);
        return pointer_;
    }

    /// Builds a fresh state for rainVM execution from all construction data.
    /// This can be passed directly to `eval` for a `RainVM` contract.
    /// @param pointer_ The pointer (address) of the snapshot to restore.
    function _restore(address pointer_) internal view returns (State memory) {
        return abi.decode(SSTORE2.read(pointer_), (State));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
     * initialization step. This is essential to configure modules that are added through upgrades and that require
     * initialization.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized < type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }
}

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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// 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 IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721AUpgradeable {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * The caller cannot approve to their own address.
     */
    error ApproveToCaller();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @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`,
     * 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,
        bytes calldata data
    ) external;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` 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);

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @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);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

library ERC721AStorage {
    // Reference type for token approval.
    struct TokenApprovalRef {
        address value;
    }

    struct Layout {
        // =============================================================
        //                            STORAGE
        // =============================================================

        // The next token ID to be minted.
        uint256 _currentIndex;
        // The number of tokens burned.
        uint256 _burnCounter;
        // Token name
        string _name;
        // Token symbol
        string _symbol;
        // Mapping from token ID to ownership details
        // An empty struct value does not necessarily mean the token is unowned.
        // See {_packedOwnershipOf} implementation for details.
        //
        // Bits Layout:
        // - [0..159]   `addr`
        // - [160..223] `startTimestamp`
        // - [224]      `burned`
        // - [225]      `nextInitialized`
        // - [232..255] `extraData`
        mapping(uint256 => uint256) _packedOwnerships;
        // Mapping owner address to address data.
        //
        // Bits Layout:
        // - [0..63]    `balance`
        // - [64..127]  `numberMinted`
        // - [128..191] `numberBurned`
        // - [192..255] `aux`
        mapping(address => uint256) _packedAddressData;
        // Mapping from token ID to approved address.
        mapping(uint256 => ERC721AStorage.TokenApprovalRef) _tokenApprovals;
        // Mapping from owner to operator approvals
        mapping(address => mapping(address => bool)) _operatorApprovals;
    }

    bytes32 internal constant STORAGE_SLOT = keccak256('ERC721A.contracts.storage.ERC721A');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @dev This is a base contract to aid in writing upgradeable diamond facet contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 */

import {ERC721A__InitializableStorage} from './ERC721A__InitializableStorage.sol';

abstract contract ERC721A__Initializable {
    using ERC721A__InitializableStorage for ERC721A__InitializableStorage.Layout;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializerERC721A() {
        // If the contract is initializing we ignore whether _initialized is set in order to support multiple
        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
        // contract may have been reentered.
        require(
            ERC721A__InitializableStorage.layout()._initializing
                ? _isConstructor()
                : !ERC721A__InitializableStorage.layout()._initialized,
            'ERC721A__Initializable: contract is already initialized'
        );

        bool isTopLevelCall = !ERC721A__InitializableStorage.layout()._initializing;
        if (isTopLevelCall) {
            ERC721A__InitializableStorage.layout()._initializing = true;
            ERC721A__InitializableStorage.layout()._initialized = true;
        }

        _;

        if (isTopLevelCall) {
            ERC721A__InitializableStorage.layout()._initializing = false;
        }
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} modifier, directly or indirectly.
     */
    modifier onlyInitializingERC721A() {
        require(
            ERC721A__InitializableStorage.layout()._initializing,
            'ERC721A__Initializable: contract is not initializing'
        );
        _;
    }

    /// @dev Returns true if and only if the function is running in the constructor
    function _isConstructor() private view returns (bool) {
        // extcodesize checks the size of the code stored in an address, and
        // address returns the current address. Since the code is still not
        // deployed when running a constructor, any checks on its code size will
        // yield zero, making it an effective way to detect if a contract is
        // under construction or not.
        address self = address(this);
        uint256 cs;
        assembly {
            cs := extcodesize(self)
        }
        return cs == 0;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev This is a base storage for the  initialization function for upgradeable diamond facet contracts
 **/

library ERC721A__InitializableStorage {
    struct Layout {
        /*
         * Indicates that the contract has been initialized.
         */
        bool _initialized;
        /*
         * Indicates that the contract is in the process of being initialized.
         */
        bool _initializing;
    }

    bytes32 internal constant STORAGE_SLOT = keccak256('ERC721A.contracts.storage.initializable.facet');

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >= 0.4.22 <0.9.0;

library console {
	address constant CONSOLE_ADDRESS = address(0x000000000000000000636F6e736F6c652e6c6f67);

	function _sendLogPayload(bytes memory payload) private view {
		uint256 payloadLength = payload.length;
		address consoleAddress = CONSOLE_ADDRESS;
		assembly {
			let payloadStart := add(payload, 32)
			let r := staticcall(gas(), consoleAddress, payloadStart, payloadLength, 0, 0)
		}
	}

	function log() internal view {
		_sendLogPayload(abi.encodeWithSignature("log()"));
	}

	function logInt(int p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(int)", p0));
	}

	function logUint(uint p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint)", p0));
	}

	function logString(string memory p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string)", p0));
	}

	function logBool(bool p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool)", p0));
	}

	function logAddress(address p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address)", p0));
	}

	function logBytes(bytes memory p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes)", p0));
	}

	function logBytes1(bytes1 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes1)", p0));
	}

	function logBytes2(bytes2 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes2)", p0));
	}

	function logBytes3(bytes3 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes3)", p0));
	}

	function logBytes4(bytes4 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes4)", p0));
	}

	function logBytes5(bytes5 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes5)", p0));
	}

	function logBytes6(bytes6 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes6)", p0));
	}

	function logBytes7(bytes7 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes7)", p0));
	}

	function logBytes8(bytes8 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes8)", p0));
	}

	function logBytes9(bytes9 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes9)", p0));
	}

	function logBytes10(bytes10 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes10)", p0));
	}

	function logBytes11(bytes11 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes11)", p0));
	}

	function logBytes12(bytes12 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes12)", p0));
	}

	function logBytes13(bytes13 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes13)", p0));
	}

	function logBytes14(bytes14 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes14)", p0));
	}

	function logBytes15(bytes15 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes15)", p0));
	}

	function logBytes16(bytes16 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes16)", p0));
	}

	function logBytes17(bytes17 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes17)", p0));
	}

	function logBytes18(bytes18 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes18)", p0));
	}

	function logBytes19(bytes19 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes19)", p0));
	}

	function logBytes20(bytes20 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes20)", p0));
	}

	function logBytes21(bytes21 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes21)", p0));
	}

	function logBytes22(bytes22 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes22)", p0));
	}

	function logBytes23(bytes23 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes23)", p0));
	}

	function logBytes24(bytes24 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes24)", p0));
	}

	function logBytes25(bytes25 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes25)", p0));
	}

	function logBytes26(bytes26 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes26)", p0));
	}

	function logBytes27(bytes27 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes27)", p0));
	}

	function logBytes28(bytes28 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes28)", p0));
	}

	function logBytes29(bytes29 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes29)", p0));
	}

	function logBytes30(bytes30 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes30)", p0));
	}

	function logBytes31(bytes31 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes31)", p0));
	}

	function logBytes32(bytes32 p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bytes32)", p0));
	}

	function log(uint p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint)", p0));
	}

	function log(string memory p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string)", p0));
	}

	function log(bool p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool)", p0));
	}

	function log(address p0) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address)", p0));
	}

	function log(uint p0, uint p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint)", p0, p1));
	}

	function log(uint p0, string memory p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string)", p0, p1));
	}

	function log(uint p0, bool p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool)", p0, p1));
	}

	function log(uint p0, address p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address)", p0, p1));
	}

	function log(string memory p0, uint p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint)", p0, p1));
	}

	function log(string memory p0, string memory p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string)", p0, p1));
	}

	function log(string memory p0, bool p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool)", p0, p1));
	}

	function log(string memory p0, address p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address)", p0, p1));
	}

	function log(bool p0, uint p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint)", p0, p1));
	}

	function log(bool p0, string memory p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string)", p0, p1));
	}

	function log(bool p0, bool p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool)", p0, p1));
	}

	function log(bool p0, address p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address)", p0, p1));
	}

	function log(address p0, uint p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint)", p0, p1));
	}

	function log(address p0, string memory p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string)", p0, p1));
	}

	function log(address p0, bool p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool)", p0, p1));
	}

	function log(address p0, address p1) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address)", p0, p1));
	}

	function log(uint p0, uint p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint)", p0, p1, p2));
	}

	function log(uint p0, uint p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,string)", p0, p1, p2));
	}

	function log(uint p0, uint p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool)", p0, p1, p2));
	}

	function log(uint p0, uint p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,address)", p0, p1, p2));
	}

	function log(uint p0, string memory p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,uint)", p0, p1, p2));
	}

	function log(uint p0, string memory p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,string)", p0, p1, p2));
	}

	function log(uint p0, string memory p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,bool)", p0, p1, p2));
	}

	function log(uint p0, string memory p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,address)", p0, p1, p2));
	}

	function log(uint p0, bool p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint)", p0, p1, p2));
	}

	function log(uint p0, bool p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,string)", p0, p1, p2));
	}

	function log(uint p0, bool p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool)", p0, p1, p2));
	}

	function log(uint p0, bool p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,address)", p0, p1, p2));
	}

	function log(uint p0, address p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,uint)", p0, p1, p2));
	}

	function log(uint p0, address p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,string)", p0, p1, p2));
	}

	function log(uint p0, address p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,bool)", p0, p1, p2));
	}

	function log(uint p0, address p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,address)", p0, p1, p2));
	}

	function log(string memory p0, uint p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,uint)", p0, p1, p2));
	}

	function log(string memory p0, uint p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,string)", p0, p1, p2));
	}

	function log(string memory p0, uint p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,bool)", p0, p1, p2));
	}

	function log(string memory p0, uint p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,address)", p0, p1, p2));
	}

	function log(string memory p0, string memory p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,uint)", p0, p1, p2));
	}

	function log(string memory p0, string memory p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,string)", p0, p1, p2));
	}

	function log(string memory p0, string memory p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,bool)", p0, p1, p2));
	}

	function log(string memory p0, string memory p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,address)", p0, p1, p2));
	}

	function log(string memory p0, bool p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,uint)", p0, p1, p2));
	}

	function log(string memory p0, bool p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,string)", p0, p1, p2));
	}

	function log(string memory p0, bool p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,bool)", p0, p1, p2));
	}

	function log(string memory p0, bool p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,address)", p0, p1, p2));
	}

	function log(string memory p0, address p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,uint)", p0, p1, p2));
	}

	function log(string memory p0, address p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,string)", p0, p1, p2));
	}

	function log(string memory p0, address p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,bool)", p0, p1, p2));
	}

	function log(string memory p0, address p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,address)", p0, p1, p2));
	}

	function log(bool p0, uint p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint)", p0, p1, p2));
	}

	function log(bool p0, uint p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,string)", p0, p1, p2));
	}

	function log(bool p0, uint p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool)", p0, p1, p2));
	}

	function log(bool p0, uint p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,address)", p0, p1, p2));
	}

	function log(bool p0, string memory p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,uint)", p0, p1, p2));
	}

	function log(bool p0, string memory p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,string)", p0, p1, p2));
	}

	function log(bool p0, string memory p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,bool)", p0, p1, p2));
	}

	function log(bool p0, string memory p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,address)", p0, p1, p2));
	}

	function log(bool p0, bool p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint)", p0, p1, p2));
	}

	function log(bool p0, bool p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,string)", p0, p1, p2));
	}

	function log(bool p0, bool p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool)", p0, p1, p2));
	}

	function log(bool p0, bool p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,address)", p0, p1, p2));
	}

	function log(bool p0, address p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,uint)", p0, p1, p2));
	}

	function log(bool p0, address p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,string)", p0, p1, p2));
	}

	function log(bool p0, address p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,bool)", p0, p1, p2));
	}

	function log(bool p0, address p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,address)", p0, p1, p2));
	}

	function log(address p0, uint p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,uint)", p0, p1, p2));
	}

	function log(address p0, uint p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,string)", p0, p1, p2));
	}

	function log(address p0, uint p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,bool)", p0, p1, p2));
	}

	function log(address p0, uint p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,address)", p0, p1, p2));
	}

	function log(address p0, string memory p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,uint)", p0, p1, p2));
	}

	function log(address p0, string memory p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,string)", p0, p1, p2));
	}

	function log(address p0, string memory p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,bool)", p0, p1, p2));
	}

	function log(address p0, string memory p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,address)", p0, p1, p2));
	}

	function log(address p0, bool p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,uint)", p0, p1, p2));
	}

	function log(address p0, bool p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,string)", p0, p1, p2));
	}

	function log(address p0, bool p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,bool)", p0, p1, p2));
	}

	function log(address p0, bool p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,address)", p0, p1, p2));
	}

	function log(address p0, address p1, uint p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,uint)", p0, p1, p2));
	}

	function log(address p0, address p1, string memory p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,string)", p0, p1, p2));
	}

	function log(address p0, address p1, bool p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,bool)", p0, p1, p2));
	}

	function log(address p0, address p1, address p2) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,address)", p0, p1, p2));
	}

	function log(uint p0, uint p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,string)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,address)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,string)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,address)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,string)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,address)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,string)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, uint p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,address)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,string)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,address)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,string,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,string,string)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,string,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,string,address)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,string)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,address)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,address,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,address,string)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,address,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, string memory p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,string,address,address)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,string)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,address)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,string)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,address)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,string)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,address)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,string)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, bool p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,address)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,string)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,address)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,string,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,string,string)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,string,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,string,address)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,string)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,address)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,address,uint)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,address,string)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,address,bool)", p0, p1, p2, p3));
	}

	function log(uint p0, address p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(uint,address,address,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,string,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,string,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,string,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,string,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,address,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,address,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,address,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, uint p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,uint,address,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,uint,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,uint,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,uint,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,uint,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,string,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,string,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,string,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,string,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,bool,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,bool,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,bool,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,bool,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,address,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,address,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,address,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, string memory p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,string,address,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,string,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,string,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,string,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,string,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,address,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,address,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,address,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, bool p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,bool,address,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,uint,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,uint,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,uint,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,uint,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,string,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,string,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,string,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,string,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,bool,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,bool,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,bool,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,bool,address)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,address,uint)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,address,string)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,address,bool)", p0, p1, p2, p3));
	}

	function log(string memory p0, address p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(string,address,address,address)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,string)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,address)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,string)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,address)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,string)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,address)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,string)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, uint p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,address)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,string)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,address)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,string,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,string,string)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,string,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,string,address)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,string)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,address)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,address,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,address,string)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,address,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, string memory p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,string,address,address)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,string)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,address)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,string)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,address)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,string)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,address)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,string)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, bool p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,address)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,string)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,address)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,string,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,string,string)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,string,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,string,address)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,string)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,address)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,address,uint)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,address,string)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,address,bool)", p0, p1, p2, p3));
	}

	function log(bool p0, address p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(bool,address,address,address)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,uint)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,string)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,bool)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,address)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,string,uint)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,string,string)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,string,bool)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,string,address)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,uint)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,string)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,bool)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,address)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,address,uint)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,address,string)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,address,bool)", p0, p1, p2, p3));
	}

	function log(address p0, uint p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,uint,address,address)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,uint,uint)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,uint,string)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,uint,bool)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,uint,address)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,string,uint)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,string,string)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,string,bool)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,string,address)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,bool,uint)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,bool,string)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,bool,bool)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,bool,address)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,address,uint)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,address,string)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,address,bool)", p0, p1, p2, p3));
	}

	function log(address p0, string memory p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,string,address,address)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,uint)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,string)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,bool)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,address)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,string,uint)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,string,string)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,string,bool)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,string,address)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,uint)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,string)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,bool)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,address)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,address,uint)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,address,string)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,address,bool)", p0, p1, p2, p3));
	}

	function log(address p0, bool p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,bool,address,address)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, uint p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,uint,uint)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, uint p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,uint,string)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, uint p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,uint,bool)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, uint p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,uint,address)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, string memory p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,string,uint)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, string memory p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,string,string)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, string memory p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,string,bool)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, string memory p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,string,address)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, bool p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,bool,uint)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, bool p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,bool,string)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, bool p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,bool,bool)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, bool p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,bool,address)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, address p2, uint p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,address,uint)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, address p2, string memory p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,address,string)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, address p2, bool p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,address,bool)", p0, p1, p2, p3));
	}

	function log(address p0, address p1, address p2, address p3) internal view {
		_sendLogPayload(abi.encodeWithSignature("log(address,address,address,address)", p0, p1, p2, p3));
	}

}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";

/// @dev Opcode for the block number.
uint256 constant OPCODE_BLOCK_NUMBER = 0;
/// @dev Opcode for the block timestamp.
uint256 constant OPCODE_BLOCK_TIMESTAMP = 1;
/// @dev Opcode for the `msg.sender`.
uint256 constant OPCODE_SENDER = 2;
/// @dev Opcode for `this` address of the current contract.
uint256 constant OPCODE_THIS_ADDRESS = 3;
/// @dev Number of provided opcodes for `BlockOps`.
uint256 constant EVM_CONSTANT_OPS_LENGTH = 4;

/// @title EVMConstantOps
/// @notice RainVM opcode pack to access constants from the EVM environment.
library EVMConstantOps {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256
    ) internal view {
        unchecked {
            require(opcode_ < EVM_CONSTANT_OPS_LENGTH, "MAX_OPCODE");
            // Stack the current `block.number`.
            if (opcode_ == OPCODE_BLOCK_NUMBER) {
                state_.stack[state_.stackIndex] = block.number;
            }
            // Stack the current `block.timestamp`.
            else if (opcode_ == OPCODE_BLOCK_TIMESTAMP) {
                // solhint-disable-next-line not-rely-on-time
                state_.stack[state_.stackIndex] = block.timestamp;
            } else if (opcode_ == OPCODE_SENDER) {
                // Stack the `msg.sender`.
                state_.stack[state_.stackIndex] = uint256(uint160(msg.sender));
            } else {
                state_.stack[state_.stackIndex] = uint256(
                    uint160(address(this))
                );
            }
            state_.stackIndex++;
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";
import "../../../math/FixedPointMath.sol";

/// @dev Opcode for multiplication.
uint256 constant OPCODE_SCALE18_MUL = 0;
/// @dev Opcode for division.
uint256 constant OPCODE_SCALE18_DIV = 1;
/// @dev Opcode to rescale some fixed point number to 18 OOMs in situ.
uint256 constant OPCODE_SCALE18 = 2;
/// @dev Opcode to rescale an 18 OOMs fixed point number to scale N.
uint256 constant OPCODE_SCALEN = 3;
/// @dev Opcode to rescale an arbitrary fixed point number by some OOMs.
uint256 constant OPCODE_SCALE_BY = 4;
/// @dev Opcode for stacking the definition of one.
uint256 constant OPCODE_ONE = 5;
/// @dev Opcode for stacking number of fixed point decimals used.
uint256 constant OPCODE_DECIMALS = 6;
/// @dev Number of provided opcodes for `FixedPointMathOps`.
uint256 constant FIXED_POINT_MATH_OPS_LENGTH = 7;

/// @title FixedPointMathOps
/// @notice RainVM opcode pack to perform basic checked math operations.
/// Underflow and overflow will error as per default solidity behaviour.
library FixedPointMathOps {
    using FixedPointMath for uint256;

    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal pure {
        unchecked {
            require(opcode_ < FIXED_POINT_MATH_OPS_LENGTH, "MAX_OPCODE");

            if (opcode_ < OPCODE_SCALE18) {
                uint256 baseIndex_ = state_.stackIndex - 2;
                if (opcode_ == OPCODE_SCALE18_MUL) {
                    state_.stack[baseIndex_] =
                        state_.stack[baseIndex_].scale18(operand_) *
                        state_.stack[baseIndex_ + 1];
                } else if (opcode_ == OPCODE_SCALE18_DIV) {
                    state_.stack[baseIndex_] =
                        state_.stack[baseIndex_].scale18(operand_) /
                        state_.stack[baseIndex_ + 1];
                }
                state_.stackIndex--;
            } else if (opcode_ < OPCODE_ONE) {
                uint256 baseIndex_ = state_.stackIndex - 1;
                if (opcode_ == OPCODE_SCALE18) {
                    state_.stack[baseIndex_] = state_.stack[baseIndex_].scale18(
                        operand_
                    );
                } else if (opcode_ == OPCODE_SCALEN) {
                    state_.stack[baseIndex_] = state_.stack[baseIndex_].scaleN(
                        operand_
                    );
                } else if (opcode_ == OPCODE_SCALE_BY) {
                    state_.stack[baseIndex_] = state_.stack[baseIndex_].scaleBy(
                        int8(uint8(operand_))
                    );
                }
            } else {
                if (opcode_ == OPCODE_ONE) {
                    state_.stack[state_.stackIndex] = FP_ONE;
                    state_.stackIndex++;
                } else if (opcode_ == OPCODE_DECIMALS) {
                    state_.stack[state_.stackIndex] = FP_DECIMALS;
                    state_.stackIndex++;
                }
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @dev Opcode for `IERC20` `balanceOf`.
uint256 constant OPCODE_BALANCE_OF = 0;
/// @dev Opcode for `IERC20` `totalSupply`.
uint256 constant OPCODE_TOTAL_SUPPLY = 1;
/// @dev Number of provided opcodes for `IERC20Ops`.
uint256 constant IERC20_OPS_LENGTH = 2;

/// @title IERC20Ops
/// @notice RainVM opcode pack to read the IERC20 interface.
library IERC20Ops {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256
    ) internal view {
        unchecked {
            require(opcode_ < IERC20_OPS_LENGTH, "MAX_OPCODE");

            // Stack the return of `balanceOf`.
            if (opcode_ == OPCODE_BALANCE_OF) {
                state_.stackIndex--;
                uint256 baseIndex_ = state_.stackIndex - 1;
                state_.stack[baseIndex_] = IERC20(
                    address(uint160(state_.stack[baseIndex_]))
                ).balanceOf(address(uint160(state_.stack[state_.stackIndex])));
            }
            // Stack the return of `totalSupply`.
            else if (opcode_ == OPCODE_TOTAL_SUPPLY) {
                uint256 baseIndex_ = state_.stackIndex - 1;
                state_.stack[baseIndex_] = IERC20(
                    address(uint160(state_.stack[baseIndex_]))
                ).totalSupply();
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";

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

/// @dev Opcode for `IERC721` `balanceOf`.
uint256 constant OPCODE_BALANCE_OF = 0;
/// @dev Opcode for `IERC721` `ownerOf`.
uint256 constant OPCODE_OWNER_OF = 1;
/// @dev Number of provided opcodes for `IERC721Ops`.
uint256 constant IERC721_OPS_LENGTH = 2;

/// @title IERC721Ops
/// @notice RainVM opcode pack to read the IERC721 interface.
library IERC721Ops {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256
    ) internal view {
        unchecked {
            require(opcode_ < IERC721_OPS_LENGTH, "MAX_OPCODE");

            state_.stackIndex--;
            uint256 baseIndex_ = state_.stackIndex - 1;
            // Stack the return of `balanceOf`.
            if (opcode_ == OPCODE_BALANCE_OF) {
                state_.stack[baseIndex_] = IERC721(
                    address(uint160(state_.stack[baseIndex_]))
                ).balanceOf(address(uint160(state_.stack[state_.stackIndex])));
            }
            // Stack the return of `ownerOf`.
            else if (opcode_ == OPCODE_OWNER_OF) {
                state_.stack[baseIndex_] = uint256(
                    uint160(
                        IERC721(address(uint160(state_.stack[baseIndex_])))
                            .ownerOf(state_.stack[state_.stackIndex])
                    )
                );
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";

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

/// @dev Opcode for `IERC1155` `balanceOf`.
uint256 constant OPCODE_BALANCE_OF = 0;
/// @dev Opcode for `IERC1155` `balanceOfBatch`.
uint256 constant OPCODE_BALANCE_OF_BATCH = 1;
/// @dev Number of provided opcodes for `IERC1155Ops`.
uint256 constant IERC1155_OPS_LENGTH = 2;

/// @title IERC1155Ops
/// @notice RainVM opcode pack to read the IERC1155 interface.
library IERC1155Ops {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal view {
        unchecked {
            require(opcode_ < IERC1155_OPS_LENGTH, "MAX_OPCODE");

            // Stack the return of `balanceOf`.
            if (opcode_ == OPCODE_BALANCE_OF) {
                state_.stackIndex -= 2;
                uint256 baseIndex_ = state_.stackIndex - 1;
                state_.stack[baseIndex_] = IERC1155(
                    address(uint160(state_.stack[baseIndex_]))
                ).balanceOf(
                        address(uint160(state_.stack[baseIndex_ + 1])),
                        state_.stack[baseIndex_ + 2]
                    );
            }
            // Stack the return of `balanceOfBatch`.
            // Operand will be the length
            else if (opcode_ == OPCODE_BALANCE_OF_BATCH) {
                uint256 len_ = operand_ + 1;
                address[] memory addresses_ = new address[](len_);
                uint256[] memory ids_ = new uint256[](len_);

                // Consumes (2 * len_ + 1) inputs and produces len_ outputs.
                state_.stackIndex = state_.stackIndex - (len_ + 1);
                uint256 baseIndex_ = state_.stackIndex - len_;

                IERC1155 token_ = IERC1155(
                    address(uint160(state_.stack[baseIndex_]))
                );
                for (uint256 i_ = 0; i_ < len_; i_++) {
                    addresses_[i_] = address(
                        uint160(state_.stack[baseIndex_ + i_ + 1])
                    );
                    ids_[i_] = state_.stack[baseIndex_ + len_ + i_ + 1];
                }

                uint256[] memory balances_ = token_.balanceOfBatch(
                    addresses_,
                    ids_
                );

                for (uint256 i_ = 0; i_ < len_; i_++) {
                    state_.stack[baseIndex_ + i_] = balances_[i_];
                }
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";

/// @dev Number of provided opcodes for `LogicOps`.
/// The opcodes are NOT listed on the library as they are all internal to
/// the assembly and yul doesn't seem to support using solidity constants
/// as switch case values.
uint256 constant LOGIC_OPS_LENGTH = 7;

/// @title LogicOps
/// @notice RainVM opcode pack to perform some basic logic operations.
library LogicOps {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal pure {
        require(opcode_ < LOGIC_OPS_LENGTH, "MAX_OPCODE");
        assembly {
            let stackIndex_ := mload(state_)
            // This is the start of the stack, adjusted for the leading length
            // 32 bytes.
            // i.e. reading from stackLocation_ gives the first value of the
            // stack and NOT its length.
            let stackTopLocation_ := add(
                // pointer to the stack.
                mload(add(state_, 0x20)),
                add(
                    // length of the stack
                    0x20,
                    // index of the stack
                    mul(stackIndex_, 0x20)
                )
            )

            switch opcode_
            // ISZERO
            case 0 {
                // The stackIndex_ doesn't change for iszero as there is
                // one input and output. ISZERO reads one value so the stack
                // index needs to be nonzero.
                if iszero(stackIndex_) {
                    revert(0, 0)
                }
                let location_ := sub(stackTopLocation_, 0x20)
                mstore(location_, iszero(mload(location_)))
            }
            // EAGER_IF
            // Eager because BOTH x_ and y_ must be eagerly evaluated
            // before EAGER_IF will select one of them. If both x_ and y_
            // are cheap (e.g. constant values) then this may also be the
            // simplest and cheapest way to select one of them.
            case 1 {
                // EAGER_IF reads 3 values.
                if lt(stackIndex_, 3) {
                    revert(0, 0)
                }
                // decrease stack index by 2 (3 inputs, 1 output)
                mstore(state_, sub(stackIndex_, 2))
                let location_ := sub(stackTopLocation_, 0x60)
                switch mload(location_)
                // false => use second value
                case 0 {
                    mstore(location_, mload(add(location_, 0x40)))
                }
                // true => use first value
                default {
                    mstore(location_, mload(add(location_, 0x20)))
                }
            }
            // EQUAL_TO
            case 2 {
                // EQUAL_TO reads 2 values.
                if lt(stackIndex_, 2) {
                    revert(0, 0)
                }
                // decrease stack index by 1 (2 inputs, 1 output)
                mstore(state_, sub(stackIndex_, 1))
                let location_ := sub(stackTopLocation_, 0x40)
                mstore(
                    location_,
                    eq(mload(location_), mload(add(location_, 0x20)))
                )
            }
            // LESS_THAN
            case 3 {
                // LESS_THAN reads 2 values.
                if lt(stackIndex_, 2) {
                    revert(0, 0)
                }
                // decrease stack index by 1 (2 inputs, 1 output)
                mstore(state_, sub(stackIndex_, 1))
                let location_ := sub(stackTopLocation_, 0x40)
                mstore(
                    location_,
                    lt(mload(location_), mload(add(location_, 0x20)))
                )
            }
            // GREATER_THAN
            case 4 {
                // GREATER_THAN reads 2 values.
                if lt(stackIndex_, 2) {
                    revert(0, 0)
                }
                // decrease stack index by 1 (2 inputs, 1 output)
                mstore(state_, sub(stackIndex_, 1))
                let location_ := sub(stackTopLocation_, 0x40)
                mstore(
                    location_,
                    gt(mload(location_), mload(add(location_, 0x20)))
                )
            }
            // EVERY
            // EVERY is either the first item if every item is nonzero, else 0.
            // operand_ is the length of items to check.
            // EVERY of length `0` is a noop.
            case 5 {
                // EVERY reads operand_ values.
                if lt(stackIndex_, operand_) {
                    revert(0, 0)
                }
                if iszero(iszero(operand_)) {
                    // decrease stack index by 1 less than operand_
                    mstore(state_, sub(stackIndex_, sub(operand_, 1)))
                    let location_ := sub(stackTopLocation_, mul(operand_, 0x20))
                    for {
                        let cursor_ := location_
                    } lt(cursor_, stackTopLocation_) {
                        cursor_ := add(cursor_, 0x20)
                    } {
                        // If anything is zero then EVERY is a failed check.
                        if iszero(mload(cursor_)) {
                            mstore(location_, 0)
                            break
                        }
                    }
                }
            }
            // ANY
            // ANY is the first nonzero item, else 0.
            // operand_ id the length of items to check.
            // ANY of length `0` is a noop.
            case 6 {
                // ANY reads operand_ values.
                if lt(stackIndex_, operand_) {
                    revert(0, 0)
                }
                if iszero(iszero(operand_)) {
                    // decrease stack index by 1 less than the operand_
                    mstore(state_, sub(stackIndex_, sub(operand_, 1)))
                    let location_ := sub(stackTopLocation_, mul(operand_, 0x20))
                    for {
                        let cursor_ := location_
                    } lt(cursor_, stackTopLocation_) {
                        cursor_ := add(cursor_, 0x20)
                    } {
                        // If anything is NOT zero then ANY is a successful
                        // check and can short-circuit.
                        let item_ := mload(cursor_)
                        if iszero(iszero(item_)) {
                            // Write the usable value to the top of the stack.
                            mstore(location_, item_)
                            break
                        }
                    }
                }
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";
import "../../../math/SaturatingMath.sol";

/// @dev Opcode for addition.
uint256 constant OPCODE_ADD = 0;
/// @dev Opcode for saturating addition.
uint256 constant OPCODE_SATURATING_ADD = 1;
/// @dev Opcode for subtraction.
uint256 constant OPCODE_SUB = 2;
/// @dev Opcode for saturating subtraction.
uint256 constant OPCODE_SATURATING_SUB = 3;
/// @dev Opcode for multiplication.
uint256 constant OPCODE_MUL = 4;
/// @dev Opcode for saturating multiplication.
uint256 constant OPCODE_SATURATING_MUL = 5;
/// @dev Opcode for division.
uint256 constant OPCODE_DIV = 6;
/// @dev Opcode for modulo.
uint256 constant OPCODE_MOD = 7;
/// @dev Opcode for exponentiation.
uint256 constant OPCODE_EXP = 8;
/// @dev Opcode for minimum.
uint256 constant OPCODE_MIN = 9;
/// @dev Opcode for maximum.
uint256 constant OPCODE_MAX = 10;
/// @dev Number of provided opcodes for `MathOps`.
uint256 constant MATH_OPS_LENGTH = 11;

/// @title MathOps
/// @notice RainVM opcode pack to perform basic checked math operations.
/// Underflow and overflow will error as per default solidity behaviour.
/// SaturatingMath opcodes are provided as "core" math because the VM has no
/// ability to lazily execute code, which means that overflows cannot be
/// guarded with conditional logic. Saturation is a quick and dirty solution to
/// overflow that is valid in many situations.
library MathOps {
    using SaturatingMath for uint256;

    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal pure {
        require(opcode_ < MATH_OPS_LENGTH, "MAX_OPCODE");
        uint256 baseIndex_;
        uint256 top_;
        unchecked {
            baseIndex_ = state_.stackIndex - operand_;
            top_ = state_.stackIndex - 1;
        }
        uint256 cursor_ = baseIndex_;
        uint256 accumulator_ = state_.stack[cursor_];

        // Addition.
        if (opcode_ == OPCODE_ADD) {
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                accumulator_ += state_.stack[cursor_];
            }
        }
        // Saturating addition.
        else if (opcode_ == OPCODE_SATURATING_ADD) {
            unchecked {
                while (cursor_ < top_ && accumulator_ < type(uint256).max) {
                    cursor_++;
                    accumulator_ = accumulator_.saturatingAdd(
                        state_.stack[cursor_]
                    );
                }
            }
        }
        // Subtraction.
        else if (opcode_ == OPCODE_SUB) {
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                accumulator_ -= state_.stack[cursor_];
            }
        }
        // Saturating subtraction.
        else if (opcode_ == OPCODE_SATURATING_SUB) {
            unchecked {
                while (cursor_ < top_ && 0 < accumulator_) {
                    cursor_++;
                    accumulator_ = accumulator_.saturatingSub(
                        state_.stack[cursor_]
                    );
                }
            }
        }
        // Multiplication.
        // Slither false positive here complaining about dividing before
        // multiplying but both are mututally exclusive according to `opcode_`.
        else if (opcode_ == OPCODE_MUL) {
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                accumulator_ *= state_.stack[cursor_];
            }
        }
        // Saturating multiplication.
        else if (opcode_ == OPCODE_SATURATING_MUL) {
            unchecked {
                while (cursor_ < top_ && accumulator_ < type(uint256).max) {
                    cursor_++;
                    accumulator_ = accumulator_.saturatingMul(
                        state_.stack[cursor_]
                    );
                }
            }
        }
        // Division.
        else if (opcode_ == OPCODE_DIV) {
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                accumulator_ /= state_.stack[cursor_];
            }
        }
        // Modulo.
        else if (opcode_ == OPCODE_MOD) {
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                accumulator_ %= state_.stack[cursor_];
            }
        }
        // Exponentiation.
        else if (opcode_ == OPCODE_EXP) {
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                accumulator_ = accumulator_**state_.stack[cursor_];
            }
        }
        // Minimum.
        else if (opcode_ == OPCODE_MIN) {
            uint256 item_;
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                item_ = state_.stack[cursor_];
                if (item_ < accumulator_) {
                    accumulator_ = item_;
                }
            }
        }
        // Maximum.
        else if (opcode_ == OPCODE_MAX) {
            uint256 item_;
            while (cursor_ < top_) {
                unchecked {
                    cursor_++;
                }
                item_ = state_.stack[cursor_];
                if (item_ > accumulator_) {
                    accumulator_ = item_;
                }
            }
        }

        unchecked {
            state_.stack[baseIndex_] = accumulator_;
            state_.stackIndex = baseIndex_ + 1;
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {State} from "../../RainVM.sol";
import "../../../tier/libraries/TierReport.sol";
import "../../../tier/libraries/TierwiseCombine.sol";

/// @dev Opcode to call `report` on an `ITier` contract.
uint256 constant OPCODE_REPORT = 0;
/// @dev Opcode to stack a report that has never been held for all tiers.
uint256 constant OPCODE_NEVER = 1;
/// @dev Opcode to stack a report that has always been held for all tiers.
uint256 constant OPCODE_ALWAYS = 2;
/// @dev Opcode to calculate the tierwise diff of two reports.
uint256 constant OPCODE_SATURATING_DIFF = 3;
/// @dev Opcode to update the blocks over a range of tiers for a report.
uint256 constant OPCODE_UPDATE_BLOCKS_FOR_TIER_RANGE = 4;
/// @dev Opcode to tierwise select the best block lte a reference block.
uint256 constant OPCODE_SELECT_LTE = 5;
/// @dev Number of provided opcodes for `TierOps`.
uint256 constant TIER_OPS_LENGTH = 6;

/// @title TierOps
/// @notice RainVM opcode pack to operate on tier reports.
/// The opcodes all map to functions from `ITier` and associated libraries such
/// as `TierConstants`, `TierwiseCombine`, and `TierReport`. For each, the
/// order of consumed values on the stack corresponds to the order of arguments
/// to interface/library functions.
library TierOps {
    function applyOp(
        State memory state_,
        uint256 opcode_,
        uint256 operand_
    ) internal view {
        unchecked {
            require(opcode_ < TIER_OPS_LENGTH, "MAX_OPCODE");
            uint256 baseIndex_;
            // Stack the report returned by an `ITier` contract.
            // Top two stack vals are used as `ITier` contract and address
            // to check the report for.
            if (opcode_ == OPCODE_REPORT) {
                state_.stackIndex -= 1;
                baseIndex_ = state_.stackIndex - 1;
                state_.stack[baseIndex_] = ITier(
                    address(uint160(state_.stack[baseIndex_]))
                ).report(address(uint160(state_.stack[baseIndex_ + 1])));
            }
            // Stack a report that has never been held at any tier.
            else if (opcode_ == OPCODE_NEVER) {
                state_.stack[state_.stackIndex] = TierConstants.NEVER_REPORT;
                state_.stackIndex++;
            }
            // Stack a report that has always been held at every tier.
            else if (opcode_ == OPCODE_ALWAYS) {
                state_.stack[state_.stackIndex] = TierConstants.ALWAYS;
                state_.stackIndex++;
            }
            // Stack the tierwise saturating subtraction of two reports.
            // If the older report is newer than newer report the result will
            // be `0`, else a tierwise diff in blocks will be obtained.
            // The older and newer report are taken from the stack.
            else if (opcode_ == OPCODE_SATURATING_DIFF) {
                state_.stackIndex -= 2;
                baseIndex_ = state_.stackIndex;
                uint256 newerReport_ = state_.stack[baseIndex_];
                uint256 olderReport_ = state_.stack[baseIndex_ + 1];
                state_.stack[baseIndex_] = TierwiseCombine.saturatingSub(
                    newerReport_,
                    olderReport_
                );
                state_.stackIndex++;
            }
            // Stacks a report with updated blocks over tier range.
            // The start and end tier are taken from the low and high bits of
            // the `operand_` respectively.
            // The report to update and block number to update to are both
            // taken from the stack.
            else if (opcode_ == OPCODE_UPDATE_BLOCKS_FOR_TIER_RANGE) {
                uint256 startTier_ = operand_ & 0x0f; // & 00001111
                uint256 endTier_ = (operand_ >> 4) & 0x0f; // & 00001111
                state_.stackIndex -= 2;
                baseIndex_ = state_.stackIndex;
                uint256 report_ = state_.stack[baseIndex_];
                uint256 blockNumber_ = state_.stack[baseIndex_ + 1];
                state_.stack[baseIndex_] = TierReport.updateBlocksForTierRange(
                    report_,
                    startTier_,
                    endTier_,
                    blockNumber_
                );
                state_.stackIndex++;
            }
            // Stacks the result of a `selectLte` combinator.
            // All `selectLte` share the same stack and argument handling.
            // Takes the `logic_` and `mode_` from the `operand_` high bits.
            // `logic_` is the highest bit.
            // `mode_` is the 2 highest bits after `logic_`.
            // The other bits specify how many values to take from the stack
            // as reports to compare against each other and the block number.
            else if (opcode_ == OPCODE_SELECT_LTE) {
                uint256 logic_ = operand_ >> 7;
                uint256 mode_ = (operand_ >> 5) & 0x3; // & 00000011
                uint256 reportsLength_ = operand_ & 0x1F; // & 00011111

                // Need one more than reports length to include block number.
                state_.stackIndex -= reportsLength_ + 1;
                baseIndex_ = state_.stackIndex;
                uint256 cursor_ = baseIndex_;

                uint256[] memory reports_ = new uint256[](reportsLength_);
                for (uint256 a_ = 0; a_ < reportsLength_; a_++) {
                    reports_[a_] = state_.stack[cursor_];
                    cursor_++;
                }
                uint256 blockNumber_ = state_.stack[cursor_];

                state_.stack[baseIndex_] = TierwiseCombine.selectLte(
                    reports_,
                    blockNumber_,
                    logic_,
                    mode_
                );
                state_.stackIndex++;
            }
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

/// @dev The scale of all fixed point math. This is adopting the conventions of
/// both ETH (wei) and most ERC20 tokens, so is hopefully uncontroversial.
uint256 constant FP_DECIMALS = 18;
/// @dev The number `1` in the standard fixed point math scaling. Most of the
/// differences between fixed point math and regular math is multiplying or
/// dividing by `ONE` after the appropriate scaling has been applied.
uint256 constant FP_ONE = 1e18;

/// @title FixedPointMath
/// @notice Sometimes we want to do math with decimal values but all we have
/// are integers, typically uint256 integers. Floats are very complex so we
/// don't attempt to simulate them. Instead we provide a standard definition of
/// "one" as 10 ** 18 and scale everything up/down to this as fixed point math.
/// Overflows are errors as per Solidity.
library FixedPointMath {
    /// Scale a fixed point decimal of some scale factor to match `DECIMALS`.
    /// @param a_ Some fixed point decimal value.
    /// @param aDecimals_ The number of fixed decimals of `a_`.
    /// @return `a_` scaled to match `DECIMALS`.
    function scale18(uint256 a_, uint256 aDecimals_)
        internal
        pure
        returns (uint256)
    {
        uint256 decimals_;
        if (FP_DECIMALS == aDecimals_) {
            return a_;
        } else if (FP_DECIMALS > aDecimals_) {
            unchecked {
                decimals_ = FP_DECIMALS - aDecimals_;
            }
            return a_ * 10**decimals_;
        } else {
            unchecked {
                decimals_ = aDecimals_ - FP_DECIMALS;
            }
            return a_ / 10**decimals_;
        }
    }

    /// Scale a fixed point decimals of `DECIMALS` to some other scale.
    /// @param a_ A `DECIMALS` fixed point decimals.
    /// @param targetDecimals_ The new scale of `a_`.
    /// @return `a_` rescaled from `DECIMALS` to `targetDecimals_`.
    function scaleN(uint256 a_, uint256 targetDecimals_)
        internal
        pure
        returns (uint256)
    {
        uint256 decimals_;
        if (targetDecimals_ == FP_DECIMALS) {
            return a_;
        } else if (FP_DECIMALS > targetDecimals_) {
            unchecked {
                decimals_ = FP_DECIMALS - targetDecimals_;
            }
            return a_ / 10**decimals_;
        } else {
            unchecked {
                decimals_ = targetDecimals_ - FP_DECIMALS;
            }
            return a_ * 10**decimals_;
        }
    }

    /// Scale a fixed point up or down by `scaleBy_` orders of magnitude.
    /// The caller MUST ensure the end result matches `DECIMALS` if other
    /// functions in this library are to work correctly.
    /// Notably `scaleBy` is a SIGNED integer so scaling down by negative OOMS
    /// is supported.
    /// @param a_ Some integer of any scale.
    /// @param scaleBy_ OOMs to scale `a_` up or down by.
    /// @return `a_` rescaled according to `scaleBy_`.
    function scaleBy(uint256 a_, int8 scaleBy_)
        internal
        pure
        returns (uint256)
    {
        if (scaleBy_ == 0) {
            return a_;
        } else if (scaleBy_ > 0) {
            return a_ * 10**uint8(scaleBy_);
        } else {
            uint256 posScaleDownBy_;
            unchecked {
                posScaleDownBy_ = uint8(-scaleBy_);
            }
            return a_ / 10**posScaleDownBy_;
        }
    }

    /// Fixed point multiplication in native scale decimals.
    /// Both `a_` and `b_` MUST be `DECIMALS` fixed point decimals.
    /// @param a_ First term.
    /// @param b_ Second term.
    /// @return `a_` multiplied by `b_` to `DECIMALS` fixed point decimals.
    function fixedPointMul(uint256 a_, uint256 b_)
        internal
        pure
        returns (uint256)
    {
        return (a_ * b_) / FP_ONE;
    }

    /// Fixed point division in native scale decimals.
    /// Both `a_` and `b_` MUST be `DECIMALS` fixed point decimals.
    /// @param a_ First term.
    /// @param b_ Second term.
    /// @return `a_` divided by `b_` to `DECIMALS` fixed point decimals.
    function fixedPointDiv(uint256 a_, uint256 b_)
        internal
        pure
        returns (uint256)
    {
        return (a_ * FP_ONE) / b_;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 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);
}

// 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 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;
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

/// @title SaturatingMath
/// @notice Sometimes we neither want math operations to error nor wrap around
/// on an overflow or underflow. In the case of transferring assets an error
/// may cause assets to be locked in an irretrievable state within the erroring
/// contract, e.g. due to a tiny rounding/calculation error. We also can't have
/// assets underflowing and attempting to approve/transfer "infinity" when we
/// wanted "almost or exactly zero" but some calculation bug underflowed zero.
/// Ideally there are no calculation mistakes, but in guarding against bugs it
/// may be safer pragmatically to saturate arithmatic at the numeric bounds.
/// Note that saturating div is not supported because 0/0 is undefined.
library SaturatingMath {
    /// Saturating addition.
    /// @param a_ First term.
    /// @param b_ Second term.
    /// @return Minimum of a_ + b_ and max uint256.
    function saturatingAdd(uint256 a_, uint256 b_)
        internal
        pure
        returns (uint256)
    {
        unchecked {
            uint256 c_ = a_ + b_;
            return c_ < a_ ? type(uint256).max : c_;
        }
    }

    /// Saturating subtraction.
    /// @param a_ Minuend.
    /// @param b_ Subtrahend.
    /// @return Maximum of a_ - b_ and 0.
    function saturatingSub(uint256 a_, uint256 b_)
        internal
        pure
        returns (uint256)
    {
        unchecked {
            return a_ > b_ ? a_ - b_ : 0;
        }
    }

    /// Saturating multiplication.
    /// @param a_ First term.
    /// @param b_ Second term.
    /// @return Minimum of a_ * b_ and max uint256.
    function saturatingMul(uint256 a_, uint256 b_)
        internal
        pure
        returns (uint256)
    {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being
            // zero, but the benefit is lost if 'b' is also tested.
            // https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a_ == 0) return 0;
            uint256 c_ = a_ * b_;
            return c_ / a_ != b_ ? type(uint256).max : c_;
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import {ITier} from "../ITier.sol";
import "./TierConstants.sol";

/// @title TierReport
/// @notice `TierReport` implements several pure functions that can be
/// used to interface with reports.
/// - `tierAtBlockFromReport`: Returns the highest status achieved relative to
/// a block number and report. Statuses gained after that block are ignored.
/// - `tierBlock`: Returns the block that a given tier has been held
/// since according to a report.
/// - `truncateTiersAbove`: Resets all the tiers above the reference tier.
/// - `updateBlocksForTierRange`: Updates a report with a block
/// number for every tier in a range.
/// - `updateReportWithTierAtBlock`: Updates a report to a new tier.
/// @dev Utilities to consistently read, write and manipulate tiers in reports.
/// The low-level bit shifting can be difficult to get right so this
/// factors that out.
library TierReport {
    /// Enforce upper limit on tiers so we can do unchecked math.
    /// @param tier_ The tier to enforce bounds on.
    modifier maxTier(uint256 tier_) {
        require(tier_ <= TierConstants.MAX_TIER, "MAX_TIER");
        _;
    }

    /// Returns the highest tier achieved relative to a block number
    /// and report.
    ///
    /// Note that typically the report will be from the _current_ contract
    /// state, i.e. `block.number` but not always. Tiers gained after the
    /// reference block are ignored.
    ///
    /// When the `report` comes from a later block than the `blockNumber` this
    /// means the user must have held the tier continuously from `blockNumber`
    /// _through_ to the report block.
    /// I.e. NOT a snapshot.
    ///
    /// @param report_ A report as per `ITier`.
    /// @param blockNumber_ The block number to check the tiers against.
    /// @return The highest tier held since `blockNumber` as per `report`.
    function tierAtBlockFromReport(uint256 report_, uint256 blockNumber_)
        internal
        pure
        returns (uint256)
    {
        unchecked {
            for (uint256 i_ = 0; i_ < 8; i_++) {
                if (uint32(uint256(report_ >> (i_ * 32))) > blockNumber_) {
                    return i_;
                }
            }
            return TierConstants.MAX_TIER;
        }
    }

    /// Returns the block that a given tier has been held since from a report.
    ///
    /// The report MUST encode "never" as 0xFFFFFFFF. This ensures
    /// compatibility with `tierAtBlockFromReport`.
    ///
    /// @param report_ The report to read a block number from.
    /// @param tier_ The Tier to read the block number for.
    /// @return The block number this has been held since.
    function tierBlock(uint256 report_, uint256 tier_)
        internal
        pure
        maxTier(tier_)
        returns (uint256)
    {
        unchecked {
            // ZERO is a special case. Everyone has always been at least ZERO,
            // since block 0.
            if (tier_ == 0) {
                return 0;
            }

            uint256 offset_ = (tier_ - 1) * 32;
            return uint256(uint32(uint256(report_ >> offset_)));
        }
    }

    /// Resets all the tiers above the reference tier to 0xFFFFFFFF.
    ///
    /// @param report_ Report to truncate with high bit 1s.
    /// @param tier_ Tier to truncate above (exclusive).
    /// @return Truncated report.
    function truncateTiersAbove(uint256 report_, uint256 tier_)
        internal
        pure
        maxTier(tier_)
        returns (uint256)
    {
        unchecked {
            uint256 offset_ = tier_ * 32;
            uint256 mask_ = (TierConstants.NEVER_REPORT >> offset_) << offset_;
            return report_ | mask_;
        }
    }

    /// Updates a report with a block number for a given tier.
    /// More gas efficient than `updateBlocksForTierRange` if only a single
    /// tier is being modified.
    /// The tier at/above the given tier is updated. E.g. tier `0` will update
    /// the block for tier `1`.
    /// @param report_ Report to use as the baseline for the updated report.
    /// @param tier_ The tier level to update.
    /// @param blockNumber_ The new block number for `tier_`.
    function updateBlockAtTier(
        uint256 report_,
        uint256 tier_,
        uint256 blockNumber_
    ) internal pure maxTier(tier_) returns (uint256) {
        unchecked {
            uint256 offset_ = tier_ * 32;
            return
                (report_ &
                    ~uint256(uint256(TierConstants.NEVER_TIER) << offset_)) |
                uint256(blockNumber_ << offset_);
        }
    }

    /// Updates a report with a block number for every tier in a range.
    ///
    /// Does nothing if the end status is equal or less than the start tier.
    /// @param report_ The report to update.
    /// @param startTier_ The tier at the start of the range (exclusive).
    /// @param endTier_ The tier at the end of the range (inclusive).
    /// @param blockNumber_ The block number to set for every tier in the
    /// range.
    /// @return The updated report.
    function updateBlocksForTierRange(
        uint256 report_,
        uint256 startTier_,
        uint256 endTier_,
        uint256 blockNumber_
    ) internal pure maxTier(endTier_) returns (uint256) {
        unchecked {
            uint256 offset_;
            for (uint256 i_ = startTier_; i_ < endTier_; i_++) {
                offset_ = i_ * 32;
                report_ =
                    (report_ &
                        ~uint256(
                            uint256(TierConstants.NEVER_TIER) << offset_
                        )) |
                    uint256(blockNumber_ << offset_);
            }
            return report_;
        }
    }

    /// Updates a report to a new status.
    ///
    /// Internally dispatches to `truncateTiersAbove` and
    /// `updateBlocksForTierRange`.
    /// The dispatch is based on whether the new tier is above or below the
    /// current tier.
    /// The `startTier_` MUST match the result of `tierAtBlockFromReport`.
    /// It is expected the caller will know the current tier when
    /// calling this function and need to do other things in the calling scope
    /// with it.
    ///
    /// @param report_ The report to update.
    /// @param startTier_ The tier to start updating relative to. Data above
    /// this tier WILL BE LOST so probably should be the current tier.
    /// @param endTier_ The new highest tier held, at the given block number.
    /// @param blockNumber_ The block number to update the highest tier to, and
    /// intermediate tiers from `startTier_`.
    /// @return The updated report.
    function updateReportWithTierAtBlock(
        uint256 report_,
        uint256 startTier_,
        uint256 endTier_,
        uint256 blockNumber_
    ) internal pure returns (uint256) {
        return
            endTier_ < startTier_
                ? truncateTiersAbove(report_, endTier_)
                : updateBlocksForTierRange(
                    report_,
                    startTier_,
                    endTier_,
                    blockNumber_
                );
    }
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

import "@openzeppelin/contracts/utils/math/Math.sol";
import "./TierReport.sol";
import "../../math/SaturatingMath.sol";

library TierwiseCombine {
    using Math for uint256;
    using SaturatingMath for uint256;

    /// Every lte check in `selectLte` must pass.
    uint256 internal constant LOGIC_EVERY = 0;
    /// Only one lte check in `selectLte` must pass.
    uint256 internal constant LOGIC_ANY = 1;

    /// Select the minimum block number from passing blocks in `selectLte`.
    uint256 internal constant MODE_MIN = 0;
    /// Select the maximum block number from passing blocks in `selectLte`.
    uint256 internal constant MODE_MAX = 1;
    /// Select the first block number that passes in `selectLte`.
    uint256 internal constant MODE_FIRST = 2;

    /// Performs a tierwise saturating subtraction of two reports.
    /// Intepret as "# of blocks older report was held before newer report".
    /// If older report is in fact newer then `0` will be returned.
    /// i.e. the diff cannot be negative, older report as simply spent 0 blocks
    /// existing before newer report, if it is in truth the newer report.
    /// @param newerReport_ Block to subtract from.
    /// @param olderReport_ Block to subtract.
    function saturatingSub(uint256 newerReport_, uint256 olderReport_)
        internal
        pure
        returns (uint256)
    {
        unchecked {
            uint256 ret_;
            for (uint256 tier_ = 1; tier_ <= 8; tier_++) {
                uint256 newerBlock_ = TierReport.tierBlock(newerReport_, tier_);
                uint256 olderBlock_ = TierReport.tierBlock(olderReport_, tier_);
                uint256 diff_ = newerBlock_.saturatingSub(olderBlock_);
                ret_ = TierReport.updateBlockAtTier(ret_, tier_ - 1, diff_);
            }
            return ret_;
        }
    }

    /// Given a list of reports, selects the best tier in a tierwise fashion.
    /// The "best" criteria can be configured by `logic_` and `mode_`.
    /// Logic can be "every" or "any", which means that the reports for a given
    /// tier must either all or any be less than or equal to the reference
    /// `blockNumber_`.
    /// Mode can be "min", "max", "first" which selects between all the block
    /// numbers for a given tier that meet the lte criteria.
    /// IMPORTANT: If the output of `selectLte` is used to write to storage
    /// care must be taken to ensure that "upcoming" tiers relative to the
    /// `blockNumber_` are not overwritten inappropriately. Typically this
    /// function should be used as a filter over reads only from an upstream
    /// source of truth.
    /// @param reports_ The list of reports to select over.
    /// @param blockNumber_ The block number that tier blocks must be lte.
    /// @param logic_ `LOGIC_EVERY` or `LOGIC_ANY`.
    /// @param mode_ `MODE_MIN`, `MODE_MAX` or `MODE_FIRST`.
    function selectLte(
        uint256[] memory reports_,
        uint256 blockNumber_,
        uint256 logic_,
        uint256 mode_
    ) internal pure returns (uint256) {
        unchecked {
            uint256 ret_;
            uint256 block_;
            bool anyLte_;
            uint256 length_ = reports_.length;
            for (uint256 tier_ = 1; tier_ <= 8; tier_++) {
                uint256 accumulator_;
                // Nothing lte the reference block for this tier yet.
                anyLte_ = false;

                // Initialize the accumulator for this tier.
                if (mode_ == MODE_MIN) {
                    accumulator_ = TierConstants.NEVER_REPORT;
                } else {
                    accumulator_ = 0;
                }

                // Filter all the blocks at the current tier from all the
                // reports against the reference tier and each other.
                for (uint256 i_ = 0; i_ < length_; i_++) {
                    block_ = TierReport.tierBlock(reports_[i_], tier_);

                    if (block_ <= blockNumber_) {
                        // Min and max need to compare current value against
                        // the accumulator.
                        if (mode_ == MODE_MIN) {
                            accumulator_ = block_.min(accumulator_);
                        } else if (mode_ == MODE_MAX) {
                            accumulator_ = block_.max(accumulator_);
                        } else if (mode_ == MODE_FIRST && !anyLte_) {
                            accumulator_ = block_;
                        }
                        anyLte_ = true;
                    } else if (logic_ == LOGIC_EVERY) {
                        // Can short circuit for an "every" check.
                        accumulator_ = TierConstants.NEVER_REPORT;
                        break;
                    }
                }
                if (!anyLte_) {
                    accumulator_ = TierConstants.NEVER_REPORT;
                }
                ret_ = TierReport.updateBlockAtTier(
                    ret_,
                    tier_ - 1,
                    accumulator_
                );
            }
            return ret_;
        }
    }
}

// SPDX-License-Identifier: CAL
pragma solidity ^0.8.0;

/// @title ITier
/// @notice `ITier` is a simple interface that contracts can
/// implement to provide membership lists for other contracts.
///
/// There are many use-cases for a time-preserving conditional membership list.
///
/// Some examples include:
///
/// - Self-serve whitelist to participate in fundraising
/// - Lists of users who can claim airdrops and perks
/// - Pooling resources with implied governance/reward tiers
/// - POAP style attendance proofs allowing access to future exclusive events
///
/// @dev Standard interface to a tiered membership.
///
/// A "membership" can represent many things:
/// - Exclusive access.
/// - Participation in some event or process.
/// - KYC completion.
/// - Combination of sub-memberships.
/// - Etc.
///
/// The high level requirements for a contract implementing `ITier`:
/// - MUST represent held tiers as a `uint`.
/// - MUST implement `report`.
///   - The report is a `uint256` that SHOULD represent the block each tier has
///     been continuously held since encoded as `uint32`.
///   - The encoded tiers start at `1`; Tier `0` is implied if no tier has ever
///     been held.
///   - Tier `0` is NOT encoded in the report, it is simply the fallback value.
///   - If a tier is lost the block data is erased for that tier and will be
///     set if/when the tier is regained to the new block.
///   - If a tier is held but the historical block information is not available
///     the report MAY return `0x00000000` for all held tiers.
///   - Tiers that are lost or have never been held MUST return `0xFFFFFFFF`.
/// - SHOULD implement `setTier`.
///   - Contracts SHOULD revert with `SET_TIER` error if they cannot
///     meaningfully set a tier directly.
///     For example a contract that can only derive a membership tier by
///     reading the state of an external contract cannot set tiers.
///   - Contracts implementing `setTier` SHOULD error with `SET_ZERO_TIER`
///     if tier 0 is being set.
/// - MUST emit `TierChange` when `setTier` successfully writes a new tier.
///   - Contracts that cannot meaningfully set a tier are exempt.
///
/// So the four possible states and report values are:
/// - Tier is held and block is known: Block is in the report
/// - Tier is held but block is NOT known: `0` is in the report
/// - Tier is NOT held: `0xFF..` is in the report
/// - Tier is unknown: `0xFF..` is in the report
interface ITier {
    /// Every time a tier changes we log start and end tier against the
    /// account.
    /// This MAY NOT be emitted if reports are being read from the state of an
    /// external contract.
    /// The start tier MAY be lower than the current tier as at the block this
    /// event is emitted in.
    /// @param sender The `msg.sender` that authorized the tier change.
    /// @param account The account changing tier.
    /// @param startTier The previous tier the account held.
    /// @param endTier The newly acquired tier the account now holds.
    /// @param data The associated data for the tier change.
    event TierChange(
        address sender,
        address account,
        uint256 startTier,
        uint256 endTier,
        bytes data
    );

    /// @notice Users can set their own tier by calling `setTier`.
    ///
    /// The contract that implements `ITier` is responsible for checking
    /// eligibility and/or taking actions required to set the tier.
    ///
    /// For example, the contract must take/refund any tokens relevant to
    /// changing the tier.
    ///
    /// Obviously the user is responsible for any approvals for this action
    /// prior to calling `setTier`.
    ///
    /// When the tier is changed a `TierChange` event will be emmited as:
    /// ```
    /// event TierChange(address account, uint startTier, uint endTier);
    /// ```
    ///
    /// The `setTier` function includes arbitrary data as the third
    /// parameter. This can be used to disambiguate in the case that
    /// there may be many possible options for a user to achieve some tier.
    ///
    /// For example, consider the case where tier 3 can be achieved
    /// by EITHER locking 1x rare NFT or 3x uncommon NFTs. A user with both
    /// could use `data` to explicitly state their intent.
    ///
    /// NOTE however that _any_ address can call `setTier` for any other
    /// address.
    ///
    /// If you implement `data` or anything that changes state then be very
    /// careful to avoid griefing attacks.
    ///
    /// The `data` parameter can also be ignored by the contract implementing
    /// `ITier`. For example, ERC20 tokens are fungible so only the balance
    /// approved by the user is relevant to a tier change.
    ///
    /// The `setTier` function SHOULD prevent users from reassigning
    /// tier 0 to themselves.
    ///
    /// The tier 0 status represents never having any status.
    /// @dev Updates the tier of an account.
    ///
    /// The implementing contract is responsible for all checks and state
    /// changes required to set the tier. For example, taking/refunding
    /// funds/NFTs etc.
    ///
    /// Contracts may disallow directly setting tiers, preferring to derive
    /// reports from other onchain data.
    /// In this case they should `revert("SET_TIER");`.
    ///
    /// @param account Account to change the tier for.
    /// @param endTier Tier after the change.
    /// @param data Arbitrary input to disambiguate ownership
    /// (e.g. NFTs to lock).
    function setTier(
        address account,
        uint256 endTier,
        bytes calldata data
    ) external;

    /// @notice A tier report is a `uint256` that contains each of the block
    /// numbers each tier has been held continously since as a `uint32`.
    /// There are 9 possible tier, starting with tier 0 for `0` offset or
    /// "never held any tier" then working up through 8x 4 byte offsets to the
    /// full 256 bits.
    ///
    /// Low bits = Lower tier.
    ///
    /// In hexadecimal every 8 characters = one tier, starting at tier 8
    /// from high bits and working down to tier 1.
    ///
    /// `uint32` should be plenty for any blockchain that measures block times
    /// in seconds, but reconsider if deploying to an environment with
    /// significantly sub-second block times.
    ///
    /// ~135 years of 1 second blocks fit into `uint32`.
    ///
    /// `2^8 / (365 * 24 * 60 * 60)`
    ///
    /// When a user INCREASES their tier they keep all the block numbers they
    /// already had, and get new block times for each increased tiers they have
    /// earned.
    ///
    /// When a user DECREASES their tier they return to `0xFFFFFFFF` (never)
    /// for every tier level they remove, but keep their block numbers for the
    /// remaining tiers.
    ///
    /// GUIs are encouraged to make this dynamic very clear for users as
    /// round-tripping to a lower status and back is a DESTRUCTIVE operation
    /// for block times.
    ///
    /// The intent is that downstream code can provide additional benefits for
    /// members who have maintained a certain tier for/since a long time.
    /// These benefits can be provided by inspecting the report, and by
    /// on-chain contracts directly,
    /// rather than needing to work with snapshots etc.
    /// @dev Returns the earliest block the account has held each tier for
    /// continuously.
    /// This is encoded as a uint256 with blocks represented as 8x
    /// concatenated uint32.
    /// I.e. Each 4 bytes of the uint256 represents a u32 tier start time.
    /// The low bits represent low tiers and high bits the high tiers.
    /// Implementing contracts should return 0xFFFFFFFF for lost and
    /// never-held tiers.
    ///
    /// @param account Account to get the report for.
    /// @return The report blocks encoded as a uint256.
    function report(address account) external view returns (uint256);
}

// SPDX-License-Identifier: CAL
pragma solidity =0.8.10;

/// @title TierConstants
/// @notice Constants for use with tier logic.
library TierConstants {
    /// NEVER is 0xFF.. as it is infinitely in the future.
    /// NEVER for an entire report.
    uint256 internal constant NEVER_REPORT = type(uint256).max;
    /// NEVER for a single tier.
    uint32 internal constant NEVER_TIER = type(uint32).max;

    /// Always is 0 as it is the genesis block.
    /// Tiers can't predate the chain but they can predate an `ITier` contract.
    uint256 internal constant ALWAYS = 0;

    /// Account has never held a tier.
    uint256 internal constant TIER_ZERO = 0;

    /// Magic number for tier one.
    uint256 internal constant TIER_ONE = 1;
    /// Magic number for tier two.
    uint256 internal constant TIER_TWO = 2;
    /// Magic number for tier three.
    uint256 internal constant TIER_THREE = 3;
    /// Magic number for tier four.
    uint256 internal constant TIER_FOUR = 4;
    /// Magic number for tier five.
    uint256 internal constant TIER_FIVE = 5;
    /// Magic number for tier six.
    uint256 internal constant TIER_SIX = 6;
    /// Magic number for tier seven.
    uint256 internal constant TIER_SEVEN = 7;
    /// Magic number for tier eight.
    uint256 internal constant TIER_EIGHT = 8;
    /// Maximum tier is `TIER_EIGHT`.
    uint256 internal constant MAX_TIER = TIER_EIGHT;
}

// SPDX-License-Identifier: MIT
pragma solidity =0.8.10;

import "./utils/Bytecode.sol";

/**
  @title A key-value storage with auto-generated keys for storing chunks of
  data with a lower write & read cost.
  @author Agustin Aguilar <[email protected]>

  Readme: https://github.com/0xsequence/sstore2#readme
*/
library SSTORE2 {
    error WriteError();

    /**
    @notice Stores `_data` and returns `pointer` as key for later retrieval
    @dev The pointer is a contract address with `_data` as code
    @param _data to be written
    @return pointer Pointer to the written `_data`
  */
    function write(bytes memory _data) internal returns (address pointer) {
        // Append 00 to _data so contract can't be called
        // Build init code
        bytes memory code = Bytecode.creationCodeFor(
            abi.encodePacked(hex"00", _data)
        );

        // Deploy contract using create
        assembly {
            pointer := create(0, add(code, 32), mload(code))
        }

        // Address MUST be non-zero
        if (pointer == address(0)) revert WriteError();
    }

    /**
    @notice Reads the contents of the `_pointer` code as data, skips the first
    byte
    @dev The function is intended for reading pointers generated by `write`
    @param _pointer to be read
    @return data read from `_pointer` contract
  */
    function read(address _pointer) internal view returns (bytes memory) {
        return Bytecode.codeAt(_pointer, 1, type(uint256).max);
    }

    /**
    @notice Reads the contents of the `_pointer` code as data, skips the first
    byte
    @dev The function is intended for reading pointers generated by `write`
    @param _pointer to be read
    @param _start number of bytes to skip
    @return data read from `_pointer` contract
  */
    function read(address _pointer, uint256 _start)
        internal
        view
        returns (bytes memory)
    {
        return Bytecode.codeAt(_pointer, _start + 1, type(uint256).max);
    }

    /**
    @notice Reads the contents of the `_pointer` code as data, skips the first
    byte
    @dev The function is intended for reading pointers generated by `write`
    @param _pointer to be read
    @param _start number of bytes to skip
    @param _end index before which to end extraction
    @return data read from `_pointer` contract
  */
    function read(
        address _pointer,
        uint256 _start,
        uint256 _end
    ) internal view returns (bytes memory) {
        return Bytecode.codeAt(_pointer, _start + 1, _end + 1);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity =0.8.10;

library Bytecode {
    error InvalidCodeAtRange(uint256 _size, uint256 _start, uint256 _end);

    /**
    @notice Generate a creation code that results on a contract with `_code` as
    bytecode
    @param _code The returning value of the resulting `creationCode`
    @return creationCode (constructor) for new contract
  */
    function creationCodeFor(bytes memory _code)
        internal
        pure
        returns (bytes memory)
    {
        /*
      0x00    0x63         0x63XXXXXX  PUSH4 _code.length  size
      0x01    0x80         0x80        DUP1                size size
      0x02    0x60         0x600e      PUSH1 14            14 size size
      0x03    0x60         0x6000      PUSH1 00            0 14 size size
      0x04    0x39         0x39        CODECOPY            size
      0x05    0x60         0x6000      PUSH1 00            0 size
      0x06    0xf3         0xf3        RETURN
      <CODE>
    */

        return
            abi.encodePacked(
                hex"63",
                uint32(_code.length),
                hex"80_60_0E_60_00_39_60_00_F3",
                _code
            );
    }

    /**
    @notice Returns the size of the code on a given address
    @param _addr Address that may or may not contain code
    @return size of the code on the given `_addr`
  */
    function codeSize(address _addr) internal view returns (uint256 size) {
        assembly {
            size := extcodesize(_addr)
        }
    }

    /**
    @notice Returns the code of a given address
    @dev It will fail if `_end < _start`
    @param _addr Address that may or may not contain code
    @param _start number of bytes of code to skip on read
    @param _end index before which to end extraction
    @return oCode read from `_addr` deployed bytecode

    Forked: https://gist.github.com/KardanovIR/fe98661df9338c842b4a30306d507fbd
  */
    function codeAt(
        address _addr,
        uint256 _start,
        uint256 _end
    ) internal view returns (bytes memory oCode) {
        uint256 csize = codeSize(_addr);
        if (csize == 0) return bytes("");

        if (_start > csize) return bytes("");
        if (_end < _start) revert InvalidCodeAtRange(csize, _start, _end);

        unchecked {
            uint256 reqSize = _end - _start;
            uint256 maxSize = csize - _start;

            uint256 size = maxSize < reqSize ? maxSize : reqSize;

            assembly {
                // allocate output byte array - this could also be done without
                // assembly
                // by using o_code = new bytes(size)
                oCode := mload(0x40)
                // new "memory end" including padding
                mstore(
                    0x40,
                    add(oCode, and(add(add(size, 0x20), 0x1f), not(0x1f)))
                )
                // store length in memory
                mstore(oCode, size)
                // actually retrieve the code, this needs assembly
                extcodecopy(_addr, add(oCode, 0x20), _start, size)
            }
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10
  },
  "metadata": {
    "useLiteralContent": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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