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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
// ──────────────────────────────────────────────────────────────────────────────
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//  / /|  /  __/   / /_/ (__  )
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//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: security@biconomy.io
import { ECDSA } from "solady/utils/ECDSA.sol";
import { PackedUserOperation } from "account-abstraction/interfaces/PackedUserOperation.sol";
import { ERC7739Validator } from "erc7739Validator/ERC7739Validator.sol";
import { IValidator } from "../../interfaces/modules/IValidator.sol";
import { EnumerableSet } from "../../lib/EnumerableSet4337.sol";
import { MODULE_TYPE_VALIDATOR, VALIDATION_SUCCESS, VALIDATION_FAILED } from "../../types/Constants.sol";
/// @title Nexus - K1Validator (ECDSA)
/// @notice Validator module for smart accounts, verifying user operation signatures
///         based on the K1 curve (secp256k1), a widely used ECDSA algorithm.
/// @dev Implements secure ownership validation by checking signatures against registered
///      owners. This module supports ERC-7579 and ERC-4337 standards, ensuring only the
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @notice Gas optimized ECDSA wrapper.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/ECDSA.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ECDSA.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/ECDSA.sol)
///
/// @dev Note:
/// - The recovery functions use the ecrecover precompile (0x1).
/// - As of Solady version 0.0.68, the `recover` variants will revert upon recovery failure.
///   This is for more safety by default.
///   Use the `tryRecover` variants if you need to get the zero address back
///   upon recovery failure instead.
/// - As of Solady version 0.0.134, all `bytes signature` variants accept both
///   regular 65-byte `(r, s, v)` and EIP-2098 `(r, vs)` short form signatures.
///   See: https://eips.ethereum.org/EIPS/eip-2098
///   This is for calldata efficiency on smart accounts prevalent on L2s.
///
/// WARNING! Do NOT directly use signatures as unique identifiers:
/// - The recovery operations do NOT check if a signature is non-malleable.
/// - Use a nonce in the digest to prevent replay attacks on the same contract.
/// - Use EIP-712 for the digest to prevent replay attacks across different chains and contracts.
///   EIP-712 also enables readable signing of typed data for better user safety.
/// - If you need a unique hash from a signature, please use the `canonicalHash` functions.
library ECDSA {
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// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.5;
/**
 * User Operation struct
 * @param sender                - The sender account of this request.
 * @param nonce                 - Unique value the sender uses to verify it is not a replay.
 * @param initCode              - If set, the account contract will be created by this constructor/
 * @param callData              - The method call to execute on this account.
 * @param accountGasLimits      - Packed gas limits for validateUserOp and gas limit passed to the callData method call.
 * @param preVerificationGas    - Gas not calculated by the handleOps method, but added to the gas paid.
 *                                Covers batch overhead.
 * @param gasFees               - packed gas fields maxPriorityFeePerGas and maxFeePerGas - Same as EIP-1559 gas parameters.
 * @param paymasterAndData      - If set, this field holds the paymaster address, verification gas limit, postOp gas limit and paymaster-specific 
     extra data
 *                                The paymaster will pay for the transaction instead of the sender.
 * @param signature             - Sender-verified signature over the entire request, the EntryPoint address and the chain ID.
 */
struct PackedUserOperation {
    address sender;
    uint256 nonce;
    bytes initCode;
    bytes callData;
    bytes32 accountGasLimits;
    uint256 preVerificationGas;
    bytes32 gasFees;
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
interface IERC5267 {
    function eip712Domain() external view returns (
        bytes1 fields,
        string memory name,
        string memory version,
        uint256 chainId,
        address verifyingContract,
        bytes32 salt,
        uint256[] memory extensions
    );
}
/// @title ERC-7739: Nested Typed Data Sign Support for ERC-7579 Validators
abstract contract ERC7739Validator {
    error InvalidSignature();
    
    /// @dev `keccak256("PersonalSign(bytes prefixed)")`.
    bytes32 internal constant _PERSONAL_SIGN_TYPEHASH = 0x983e65e5148e570cd828ead231ee759a8d7958721a768f93bc4483ba005c32de;
    bytes32 internal constant _DOMAIN_TYPEHASH = 0x8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f;
    bytes4 internal constant SUPPORTS_ERC7739 = 0x77390001;
    /*//////////////////////////////////////////////////////////////////////////
                                     INTERNAL
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: security@biconomy.io
import { PackedUserOperation } from "account-abstraction/interfaces/PackedUserOperation.sol";
import { IModule } from "./IModule.sol";
/// @author @livingrockrises | Biconomy | chirag@biconomy.io
/// @author @aboudjem | Biconomy | adam.boudjemaa@biconomy.io
/// @author @filmakarov | Biconomy | filipp.makarov@biconomy.io
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
interface IValidator is IModule {
    /// @notice Validates a user operation as per ERC-4337 standard requirements.
    /// @dev Should ensure that the signature and nonce are verified correctly before the transaction is allowed to proceed.
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
import "./AssociatedArrayLib.sol";
/**
 * Fork of OZ's EnumerableSet that makes all storage access ERC-4337 compliant via associated storage
 * @author zeroknots.eth (rhinestone)
 */
library EnumerableSet {
    using AssociatedArrayLib for AssociatedArrayLib.Bytes32Array;
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.
    struct Set {
        // Storage of set values
        AssociatedArrayLib.Bytes32Array _values;
        // Position is the index of the value in the `values` array plus 1.
        // Position 0 is used to mean a value is not in the set.
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: security@biconomy.io
// Magic value for ERC-1271 valid signature
bytes4 constant ERC1271_MAGICVALUE = 0x1626ba7e;
// Value indicating an invalid ERC-1271 signature
bytes4 constant ERC1271_INVALID = 0xFFFFFFFF;
// Value indicating successful validation
uint256 constant VALIDATION_SUCCESS = 0;
// Value indicating failed validation
uint256 constant VALIDATION_FAILED = 1;
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: security@biconomy.io
/// @title Nexus - ERC-7579 Module Base Interface
/// @notice Interface for module management in smart accounts, complying with ERC-7579 specifications.
/// @dev Defines the lifecycle hooks and checks for modules within the smart account architecture.
/// This interface includes methods for installing, uninstalling, and verifying module types and initialization status.
/// @author @livingrockrises | Biconomy | chirag@biconomy.io
/// @author @aboudjem | Biconomy | adam.boudjemaa@biconomy.io
/// @author @filmakarov | Biconomy | filipp.makarov@biconomy.io
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
interface IModule {
    /// @notice Installs the module with necessary initialization data.
    /// @dev Reverts if the module is already initialized.
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
library AssociatedArrayLib {
    using AssociatedArrayLib for *;
    struct Array {
        uint256 _spacer;
    }
    struct Bytes32Array {
        Array _inner;
    }
    struct AddressArray {
        Array _inner;
    }
    struct UintArray {
        Array _inner;
    }
    error AssociatedArray_OutOfBounds(uint256 index);
    function add(Bytes32Array storage s, address account, bytes32 value) internal {
        if (!_contains(s._inner, account, value)) {
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{
  "remappings": [
    "@openzeppelin/=node_modules/@openzeppelin/",
    "forge-std/=node_modules/forge-std/src/",
    "account-abstraction/=node_modules/account-abstraction/contracts/",
    "solady/=node_modules/solady/src/",
    "excessively-safe-call/=node_modules/excessively-safe-call/src/",
    "sentinellist/=node_modules/sentinellist/src/",
    "solarray/=node_modules/solarray/src/",
    "erc7739Validator/=node_modules/erc7739-validator-base/src/",
    "@ERC4337/=node_modules/@ERC4337/",
    "@gnosis.pm/=node_modules/@gnosis.pm/",
    "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/",
    "@prb/=node_modules/@prb/",
    "@prb/math/=node_modules/erc7739-validator-base/node_modules/@prb/math/src/",
    "@rhinestone/=node_modules/@rhinestone/",
    "@safe-global/=node_modules/@safe-global/",
    "@zerodev/=node_modules/@zerodev/",
    "ExcessivelySafeCall/=node_modules/erc7739-validator-base/node_modules/excessively-safe-call/src/",
    "account-abstraction-v0.6/=node_modules/account-abstraction-v0.6/",
    "ds-test/=node_modules/ds-test/",
    "enumerablemap/=node_modules/enumerablemap/",
    "enumerableset4337/=node_modules/erc7739-validator-base/node_modules/enumerablemap/src/",
    "erc4337-validation/=node_modules/erc7739-validator-base/node_modules/@rhinestone/erc4337-validation/src/",
    "erc7579/=node_modules/erc7579/",
    "erc7739-validator-base/=node_modules/erc7739-validator-base/",
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[{"inputs":[],"name":"InvalidDataLength","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"ModuleAlreadyInitialized","type":"error"},{"inputs":[],"name":"NewOwnerIsContract","type":"error"},{"inputs":[],"name":"NoOwnerProvided","type":"error"},{"inputs":[],"name":"OwnerCannotBeZeroAddress","type":"error"},{"inputs":[],"name":"ZeroAddressNotAllowed","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"addSafeSender","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"smartAccount","type":"address"}],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"typeId","type":"uint256"}],"name":"isModuleType","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"smartAccount","type":"address"}],"name":"isSafeSender","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"bytes32","name":"hash","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"isValidSignatureWithSender","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"data","type":"bytes"}],"name":"onInstall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"","type":"bytes"}],"name":"onUninstall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"removeSafeSender","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"smartAccountOwners","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"supportsNestedTypedDataSign","outputs":[{"internalType":"bytes32","name":"result","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"hash","type":"bytes32"},{"internalType":"bytes","name":"sig","type":"bytes"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"validateSignatureWithData","outputs":[{"internalType":"bool","name":"validSig","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"bytes","name":"initCode","type":"bytes"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"bytes32","name":"accountGasLimits","type":"bytes32"},{"internalType":"uint256","name":"preVerificationGas","type":"uint256"},{"internalType":"bytes32","name":"gasFees","type":"bytes32"},{"internalType":"bytes","name":"paymasterAndData","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct PackedUserOperation","name":"userOp","type":"tuple"},{"internalType":"bytes32","name":"userOpHash","type":"bytes32"}],"name":"validateUserOp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"}]

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