pragma solidity ^0.8.26;
// SPDX-License-Identifier: MIT

import {IERC165} from "@openzeppelin/contracts/interfaces/IERC165.sol";
import {IERC1271} from "@openzeppelin/contracts/interfaces/IERC1271.sol";
import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import {IERC1155Receiver} from "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
import {IERC6551Account} from "../interfaces/IERC6551Account.sol";
import {IERC6551Executable} from "../interfaces/IERC6551Executable.sol";
import {IERC404} from "../interfaces/IERC404.sol";
import {ERC6551AccountLib} from "./ERC6551AccountLib.sol";
import {SignatureChecker} from "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";

contract ERC6551Account is IERC165, IERC1271, IERC6551Account, IERC6551Executable, IERC721Receiver, IERC1155Receiver {
    uint256 public state;

    receive() external payable {}

    function execute(address to, uint256 value, bytes calldata data, uint8 operation)
        external
        payable
        virtual
        returns (bytes memory result)
    {
        require(_isValidSigner(msg.sender), "Invalid signer");
        require(operation == 0, "Only call operations are supported");

        ++state;

        bool success;
        (success, result) = to.call{value: value}(data);

        if (!success) {
            assembly {
                revert(add(result, 32), mload(result))
            }
        }
    }

    function isValidSigner(address signer, bytes calldata) external view virtual returns (bytes4) {
        if (_isValidSigner(signer)) {
            return IERC6551Account.isValidSigner.selector;
        }

        return bytes4(0);
    }

    function isValidSignature(bytes32 hash, bytes memory signature) external view virtual returns (bytes4 magicValue) {
        bool isValid = SignatureChecker.isValidSignatureNow(owner(), hash, signature);

        if (isValid) {
            return IERC1271.isValidSignature.selector;
        }

        return bytes4(0);
    }

    function onERC721Received(address, address, uint256 receivedTokenId, bytes memory)
        external
        view
        virtual
        returns (bytes4)
    {
        _revertIfOwnershipCycle(msg.sender, receivedTokenId);
        return IERC721Receiver.onERC721Received.selector;
    }

    function onERC1155Received(address, address, uint256, uint256, bytes memory)
        external
        view
        virtual
        returns (bytes4)
    {
        return IERC1155Receiver.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(address, address, uint256[] memory, uint256[] memory, bytes memory)
        external
        pure
        virtual
        returns (bytes4)
    {
        return IERC1155Receiver.onERC1155BatchReceived.selector;
    }

    function supportsInterface(bytes4 interfaceId) public pure virtual returns (bool) {
        return (
            interfaceId == type(IERC6551Account).interfaceId || interfaceId == type(IERC6551Executable).interfaceId
                || interfaceId == type(IERC1155Receiver).interfaceId || interfaceId == type(IERC721Receiver).interfaceId
                || interfaceId == type(IERC165).interfaceId
        );
    }

    function token() public view virtual override returns (uint256, address, uint256) {
        return ERC6551AccountLib.token();
    }

    function owner() public view virtual returns (address) {
        (uint256 chainId, address contractAddress, uint256 tokenId) = token();
        if (chainId != block.chainid) return address(0);
        return IERC404(contractAddress).ownerOf(tokenId);
    }

    function _isValidSigner(address signer) internal view virtual returns (bool) {
        return signer == owner();
    }

    /**
     * @dev Helper method to check if a received token is in the ownership chain of the wallet.
     * @param receivedTokenAddress The address of the token being received.
     * @param receivedTokenId The ID of the token being received.
     */
    function _revertIfOwnershipCycle(address receivedTokenAddress, uint256 receivedTokenId) internal view virtual {
        (uint256 _chainId, address _contractAddress, uint256 _tokenId) = token();
        require(
            _chainId != block.chainid || receivedTokenAddress != _contractAddress || receivedTokenId != _tokenId,
            "Cannot own yourself"
        );

        address currentOwner = owner();
        require(currentOwner != address(this), "Token in ownership chain");
        uint256 depth = 0;
        while (currentOwner.code.length > 0) {
            try IERC6551Account(payable(currentOwner)).token() returns (
                uint256 chainId, address contractAddress, uint256 tokenId
            ) {
                require(
                    chainId != block.chainid || contractAddress != receivedTokenAddress || tokenId != receivedTokenId,
                    "Token in ownership chain"
                );
                // Advance up the ownership chain
                currentOwner = IERC404(contractAddress).ownerOf(tokenId);
                require(currentOwner != address(this), "Token in ownership chain");
            } catch {
                break;
            }
            unchecked {
                ++depth;
            }
            if (depth == 5) revert("Ownership chain too deep");
        }
    }
}

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

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1271.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 */
interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param hash      Hash of the data to be signed
     * @param signature Signature byte array associated with _data
     */
    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Interface that must be implemented by smart contracts in order to receive
 * ERC-1155 token transfers.
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

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

pragma solidity ^0.8.26;
// SPDX-License-Identifier: MIT

interface IERC6551Account {
    receive() external payable;

    function token() external view returns (uint256 chainId, address tokenContract, uint256 tokenId);

    function state() external view returns (uint256);

    function isValidSigner(address signer, bytes calldata context) external view returns (bytes4 magicValue);
}

pragma solidity ^0.8.26;
// SPDX-License-Identifier: MIT

interface IERC6551Executable {
    function execute(address to, uint256 value, bytes calldata data, uint8 operation)
        external
        payable
        returns (bytes memory);
}

pragma solidity ^0.8.26;
// SPDX-License-Identifier: MIT

import {IERC165} from "@openzeppelin/contracts/interfaces/IERC165.sol";

interface IERC404 is IERC165 {
    error NotFound();
    error InvalidTokenId();
    error AlreadyExists();
    error InvalidRecipient();
    error InvalidSender();
    error InvalidSpender();
    error InvalidOperator();
    error UnsafeRecipient();
    error RecipientIsERC721TransferExempt();
    error Unauthorized();
    error InsufficientAllowance();
    error DecimalsTooLow();
    error PermitDeadlineExpired();
    error InvalidSigner();
    error InvalidApproval();
    error OwnedIndexOverflow();
    error MintLimitReached();
    error InvalidExemption();

    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function totalSupply() external view returns (uint256);
    function erc20TotalSupply() external view returns (uint256);
    function erc721TotalSupply() external view returns (uint256);
    function balanceOf(address owner_) external view returns (uint256);
    function erc721BalanceOf(address owner_) external view returns (uint256);
    function erc20BalanceOf(address owner_) external view returns (uint256);
    function erc721TransferExempt(address account_) external view returns (bool);
    function isApprovedForAll(address owner_, address operator_) external view returns (bool);
    function allowance(address owner_, address spender_) external view returns (uint256);
    function owned(address owner_) external view returns (uint256[] memory);
    function ownerOf(uint256 id_) external view returns (address erc721Owner);
    function tokenURI(uint256 id_) external view returns (string memory);
    function approve(address spender_, uint256 valueOrId_) external returns (bool);
    function erc20Approve(address spender_, uint256 value_) external returns (bool);
    function erc721Approve(address spender_, uint256 id_) external returns (bool);
    function setApprovalForAll(address operator_, bool approved_) external;
    function transferFrom(address from_, address to_, uint256 valueOrId_) external returns (bool);
    function erc20TransferFrom(address from_, address to_, uint256 value_) external returns (bool);
    function erc721TransferFrom(address from_, address to_, uint256 id_) external;
    function transfer(address to_, uint256 amount_) external returns (bool);
    function getERC721QueueLength() external view returns (uint256);
    function getERC721TokensInQueue(uint256 start_, uint256 count_) external view returns (uint256[] memory);
    function setSelfERC721TransferExempt(bool state_) external;
    function safeTransferFrom(address from_, address to_, uint256 id_) external;
    function safeTransferFrom(address from_, address to_, uint256 id_, bytes calldata data_) external;
    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function permit(
        address owner_,
        address spender_,
        uint256 value_,
        uint256 deadline_,
        uint8 v_,
        bytes32 r_,
        bytes32 s_
    ) external;
}

pragma solidity ^0.8.26;
// SPDX-License-Identifier: MIT

import {ERC6551BytecodeLib} from "./ERC6551BytecodeLib.sol";
import {Create2} from "@openzeppelin/contracts/utils/Create2.sol";

library ERC6551AccountLib {
    function computeAddress(
        address registry,
        address _implementation,
        bytes32 _salt,
        uint256 chainId,
        address tokenContract,
        uint256 tokenId
    ) internal pure returns (address) {
        bytes32 bytecodeHash =
            keccak256(ERC6551BytecodeLib.getCreationCode(_implementation, _salt, chainId, tokenContract, tokenId));

        return Create2.computeAddress(_salt, bytecodeHash, registry);
    }

    function isERC6551Account(address account, address expectedImplementation, address registry)
        internal
        view
        returns (bool)
    {
        // invalid bytecode size
        if (account.code.length != 0xAD) return false;

        address _implementation = implementation(account);

        // implementation does not exist
        if (_implementation.code.length == 0) return false;

        // invalid implementation
        if (_implementation != expectedImplementation) return false;

        (bytes32 _salt, uint256 chainId, address tokenContract, uint256 tokenId) = context(account);

        return account == computeAddress(registry, _implementation, _salt, chainId, tokenContract, tokenId);
    }

    function implementation(address account) internal view returns (address _implementation) {
        assembly {
            // copy proxy implementation (0x14 bytes)
            extcodecopy(account, 0xC, 0xA, 0x14)
            _implementation := mload(0x00)
        }
    }

    function implementation() internal view returns (address _implementation) {
        return implementation(address(this));
    }

    function token(address account) internal view returns (uint256, address, uint256) {
        bytes memory encodedData = new bytes(0x60);

        assembly {
            // copy 0x60 bytes from end of context
            extcodecopy(account, add(encodedData, 0x20), 0x4d, 0x60)
        }

        return abi.decode(encodedData, (uint256, address, uint256));
    }

    function token() internal view returns (uint256, address, uint256) {
        return token(address(this));
    }

    function salt(address account) internal view returns (bytes32) {
        bytes memory encodedData = new bytes(0x20);

        assembly {
            // copy 0x20 bytes from beginning of context
            extcodecopy(account, add(encodedData, 0x20), 0x2d, 0x20)
        }

        return abi.decode(encodedData, (bytes32));
    }

    function salt() internal view returns (bytes32) {
        return salt(address(this));
    }

    function context(address account) internal view returns (bytes32, uint256, address, uint256) {
        bytes memory encodedData = new bytes(0x80);

        assembly {
            // copy full context (0x80 bytes)
            extcodecopy(account, add(encodedData, 0x20), 0x2D, 0x80)
        }

        return abi.decode(encodedData, (bytes32, uint256, address, uint256));
    }

    function context() internal view returns (bytes32, uint256, address, uint256) {
        return context(address(this));
    }
}

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

pragma solidity ^0.8.20;

import {ECDSA} from "./ECDSA.sol";
import {IERC1271} from "../../interfaces/IERC1271.sol";

/**
 * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
 * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like
 * Argent and Safe Wallet (previously Gnosis Safe).
 */
library SignatureChecker {
    /**
     * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
     * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) {
        (address recovered, ECDSA.RecoverError error, ) = ECDSA.tryRecover(hash, signature);
        return
            (error == ECDSA.RecoverError.NoError && recovered == signer) ||
            isValidERC1271SignatureNow(signer, hash, signature);
    }

    /**
     * @dev Checks if a signature is valid for a given signer and data hash. The signature is validated
     * against the signer smart contract using ERC1271.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidERC1271SignatureNow(
        address signer,
        bytes32 hash,
        bytes memory signature
    ) internal view returns (bool) {
        (bool success, bytes memory result) = signer.staticcall(
            abi.encodeCall(IERC1271.isValidSignature, (hash, signature))
        );
        return (success &&
            result.length >= 32 &&
            abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
    }
}

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

pragma solidity ^0.8.20;

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

pragma solidity ^0.8.26;
// SPDX-License-Identifier: MIT

library ERC6551BytecodeLib {
    /**
     * @dev Returns the creation code of the token bound account for a non-fungible token.
     *
     * @return result The creation code of the token bound account
     */
    function getCreationCode(
        address implementation,
        bytes32 salt,
        uint256 chainId,
        address tokenContract,
        uint256 tokenId
    ) internal pure returns (bytes memory result) {
        assembly {
            result := mload(0x40) // Grab the free memory pointer
            // Layout the variables and bytecode backwards
            mstore(add(result, 0xb7), tokenId)
            mstore(add(result, 0x97), shr(96, shl(96, tokenContract)))
            mstore(add(result, 0x77), chainId)
            mstore(add(result, 0x57), salt)
            mstore(add(result, 0x37), 0x5af43d82803e903d91602b57fd5bf3)
            mstore(add(result, 0x28), implementation)
            mstore(add(result, 0x14), 0x3d60ad80600a3d3981f3363d3d373d3d3d363d73)
            mstore(result, 0xb7) // Store the length
            mstore(0x40, add(result, 0xd7)) // Allocate the memory
        }
    }

    /**
     * @dev Returns the create2 address computed from `salt`, `bytecodeHash`, `deployer`.
     *
     * @return result The create2 address computed from `salt`, `bytecodeHash`, `deployer`
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash, address deployer)
        internal
        pure
        returns (address result)
    {
        assembly {
            result := mload(0x40) // Grab the free memory pointer
            mstore8(result, 0xff)
            mstore(add(result, 0x35), bytecodeHash)
            mstore(add(result, 0x01), shl(96, deployer))
            mstore(add(result, 0x15), salt)
            result := keccak256(result, 0x55)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Create2.sol)

pragma solidity ^0.8.20;

/**
 * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
 * `CREATE2` can be used to compute in advance the address where a smart
 * contract will be deployed, which allows for interesting new mechanisms known
 * as 'counterfactual interactions'.
 *
 * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
 * information.
 */
library Create2 {
    /**
     * @dev Not enough balance for performing a CREATE2 deploy.
     */
    error Create2InsufficientBalance(uint256 balance, uint256 needed);

    /**
     * @dev There's no code to deploy.
     */
    error Create2EmptyBytecode();

    /**
     * @dev The deployment failed.
     */
    error Create2FailedDeployment();

    /**
     * @dev Deploys a contract using `CREATE2`. The address where the contract
     * will be deployed can be known in advance via {computeAddress}.
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * Requirements:
     *
     * - `bytecode` must not be empty.
     * - `salt` must have not been used for `bytecode` already.
     * - the factory must have a balance of at least `amount`.
     * - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
     */
    function deploy(uint256 amount, bytes32 salt, bytes memory bytecode) internal returns (address addr) {
        if (address(this).balance < amount) {
            revert Create2InsufficientBalance(address(this).balance, amount);
        }
        if (bytecode.length == 0) {
            revert Create2EmptyBytecode();
        }
        /// @solidity memory-safe-assembly
        assembly {
            addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
        }
        if (addr == address(0)) {
            revert Create2FailedDeployment();
        }
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the
     * `bytecodeHash` or `salt` will result in a new destination address.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash) internal view returns (address) {
        return computeAddress(salt, bytecodeHash, address(this));
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at
     * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash, address deployer) internal pure returns (address addr) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40) // Get free memory pointer

            // |                   | ↓ ptr ...  ↓ ptr + 0x0B (start) ...  ↓ ptr + 0x20 ...  ↓ ptr + 0x40 ...   |
            // |-------------------|---------------------------------------------------------------------------|
            // | bytecodeHash      |                                                        CCCCCCCCCCCCC...CC |
            // | salt              |                                      BBBBBBBBBBBBB...BB                   |
            // | deployer          | 000000...0000AAAAAAAAAAAAAAAAAAA...AA                                     |
            // | 0xFF              |            FF                                                             |
            // |-------------------|---------------------------------------------------------------------------|
            // | memory            | 000000...00FFAAAAAAAAAAAAAAAAAAA...AABBBBBBBBBBBBB...BBCCCCCCCCCCCCC...CC |
            // | keccak(start, 85) |            ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ |

            mstore(add(ptr, 0x40), bytecodeHash)
            mstore(add(ptr, 0x20), salt)
            mstore(ptr, deployer) // Right-aligned with 12 preceding garbage bytes
            let start := add(ptr, 0x0b) // The hashed data starts at the final garbage byte which we will set to 0xff
            mstore8(start, 0xff)
            addr := keccak256(start, 85)
        }
    }
}

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

pragma solidity ^0.8.20;

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS
    }

    /**
     * @dev The signature derives the `address(0)`.
     */
    error ECDSAInvalidSignature();

    /**
     * @dev The signature has an invalid length.
     */
    error ECDSAInvalidSignatureLength(uint256 length);

    /**
     * @dev The signature has an S value that is in the upper half order.
     */
    error ECDSAInvalidSignatureS(bytes32 s);

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
     * return address(0) without also returning an error description. Errors are documented using an enum (error type)
     * and a bytes32 providing additional information about the error.
     *
     * If no error is returned, then the address can be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {
        unchecked {
            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
            // We do not check for an overflow here since the shift operation results in 0 or 1.
            uint8 v = uint8((uint256(vs) >> 255) + 27);
            return tryRecover(hash, v, r, s);
        }
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError, bytes32) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS, s);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature, bytes32(0));
        }

        return (signer, RecoverError.NoError, bytes32(0));
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
     */
    function _throwError(RecoverError error, bytes32 errorArg) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert ECDSAInvalidSignature();
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert ECDSAInvalidSignatureLength(uint256(errorArg));
        } else if (error == RecoverError.InvalidSignatureS) {
            revert ECDSAInvalidSignatureS(errorArg);
        }
    }
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

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