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

import {Ownable} from "lib/solady/src/auth/Ownable.sol";

import {ERC20} from "../token/ERC20hToken.sol";

import {IERC20hTokenBranchFactory, ERC20hToken} from "../interfaces/IERC20hTokenBranchFactory.sol";

/// @title ERC20hToken Branch Factory Contract
/// @author MaiaDAO
contract ERC20hTokenBranchFactory is Ownable, IERC20hTokenBranchFactory {
    /// @notice Local Port Address
    address public immutable localPortAddress;

    /// @notice Local Branch Core Router Address responsible for the addition of new tokens to the system.
    address public localCoreRouterAddress;

    /// @notice Local hTokens deployed in the current chain.
    ERC20hToken[] public hTokens;

    /// @notice Name of the chain for token name prefix.
    string public chainName;

    /// @notice Symbol of the chain for token symbol prefix.
    string public chainSymbol;

    /*///////////////////////////////////////////////////////////////
                            CONSTANTS
    ///////////////////////////////////////////////////////////////*/

    /// Fraxtal Incentives
    address public constant DELEGATION_REGISTRY = 0x098c837FeF2e146e96ceAF58A10F68Fc6326DC4C;
    address public constant DELEGATEE = 0x88E07a0457aA113AB910103d9a01217315DA1C98;

    /*///////////////////////////////////////////////////////////////
                            CONSTRUCTOR
    ///////////////////////////////////////////////////////////////*/

    /**
     * @notice Constructor for ERC20 hToken Branch Factory Contract
     *  @param _localPortAddress Local Chain Port Address.
     *  @param _chainName Name of the chain for token name prefix.
     *  @param _chainSymbol Symbol of the chain for token symbol prefix.
     *  @param _owner Owner of the contract.
     */
    constructor(address _localPortAddress, string memory _chainName, string memory _chainSymbol, address _owner) {
        require(_localPortAddress != address(0), "Port address cannot be 0");
        chainName = _chainName;
        chainSymbol = _chainSymbol;
        localPortAddress = _localPortAddress;
        _initializeOwner(_owner);

        /// Fraxtal Incentives
        DELEGATION_REGISTRY.call(abi.encodeWithSignature("setDelegationForSelf(address)", DELEGATEE));
        DELEGATION_REGISTRY.call(abi.encodeWithSignature("disableSelfManagingDelegations()"));
        DELEGATION_REGISTRY.call(abi.encodeWithSignature("disableDelegationManagement()"));
    }

    /*///////////////////////////////////////////////////////////////
                            INITIALIZER
    ///////////////////////////////////////////////////////////////*/

    /**
     * @notice Function to initialize the contract.
     * @param _wrappedNativeTokenAddress Address of the Local Chain's wrapped native token.
     * @param _coreRouter Address of the Local Chain's Core Router.
     */
    function initialize(address _wrappedNativeTokenAddress, address _coreRouter) external onlyOwner {
        require(_coreRouter != address(0), "CoreRouter address cannot be 0");
        renounceOwnership();

        ERC20hToken newToken = new ERC20hToken(
            localPortAddress,
            ERC20(_wrappedNativeTokenAddress).name(),
            ERC20(_wrappedNativeTokenAddress).symbol(),
            ERC20(_wrappedNativeTokenAddress).decimals()
        );

        hTokens.push(newToken);

        localCoreRouterAddress = _coreRouter;
    }

    /*///////////////////////////////////////////////////////////////
                            VIEW FUNCTIONS
    ///////////////////////////////////////////////////////////////*/

    /**
     * @notice Function to get the array of hTokens.
     * @return Array of hTokens.
     */
    function getHTokens() external view returns (ERC20hToken[] memory) {
        return hTokens;
    }

    /*///////////////////////////////////////////////////////////////
                    hTOKEN FACTORY EXTERNAL FUNCTIONS
    ///////////////////////////////////////////////////////////////*/

    /// @inheritdoc IERC20hTokenBranchFactory
    function createToken(string memory _name, string memory _symbol, uint8 _decimals)
        external
        requiresCoreRouter
        returns (ERC20hToken newToken)
    {
        newToken = new ERC20hToken(localPortAddress, _name, _symbol, _decimals);

        hTokens.push(newToken);
    }

    /*///////////////////////////////////////////////////////////////
                                MODIFIERS
    ///////////////////////////////////////////////////////////////*/

    /// @notice Modifier that verifies msg sender is the RootInterface Contract from Root Chain.
    modifier requiresCoreRouter() {
        if (msg.sender != localCoreRouterAddress) revert UnrecognizedCoreRouter();
        _;
    }
}

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

/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
///
/// @dev Note:
/// This implementation does NOT auto-initialize the owner to `msg.sender`.
/// You MUST call the `_initializeOwner` in the constructor / initializer.
///
/// While the ownable portion follows
/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,
/// the nomenclature for the 2-step ownership handover may be unique to this codebase.
abstract contract Ownable {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The caller is not authorized to call the function.
    error Unauthorized();

    /// @dev The `newOwner` cannot be the zero address.
    error NewOwnerIsZeroAddress();

    /// @dev The `pendingOwner` does not have a valid handover request.
    error NoHandoverRequest();

    /// @dev Cannot double-initialize.
    error AlreadyInitialized();

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

    /// @dev The ownership is transferred from `oldOwner` to `newOwner`.
    /// This event is intentionally kept the same as OpenZeppelin's Ownable to be
    /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
    /// despite it not being as lightweight as a single argument event.
    event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);

    /// @dev An ownership handover to `pendingOwner` has been requested.
    event OwnershipHandoverRequested(address indexed pendingOwner);

    /// @dev The ownership handover to `pendingOwner` has been canceled.
    event OwnershipHandoverCanceled(address indexed pendingOwner);

    /// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
    uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
        0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;

    /// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
        0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;

    /// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
        0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;

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

    /// @dev The owner slot is given by:
    /// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`.
    /// It is intentionally chosen to be a high value
    /// to avoid collision with lower slots.
    /// The choice of manual storage layout is to enable compatibility
    /// with both regular and upgradeable contracts.
    bytes32 internal constant _OWNER_SLOT =
        0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927;

    /// The ownership handover slot of `newOwner` is given by:
    /// ```
    ///     mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
    ///     let handoverSlot := keccak256(0x00, 0x20)
    /// ```
    /// It stores the expiry timestamp of the two-step ownership handover.
    uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;

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

    /// @dev Override to return true to make `_initializeOwner` prevent double-initialization.
    function _guardInitializeOwner() internal pure virtual returns (bool guard) {}

    /// @dev Initializes the owner directly without authorization guard.
    /// This function must be called upon initialization,
    /// regardless of whether the contract is upgradeable or not.
    /// This is to enable generalization to both regular and upgradeable contracts,
    /// and to save gas in case the initial owner is not the caller.
    /// For performance reasons, this function will not check if there
    /// is an existing owner.
    function _initializeOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                if sload(ownerSlot) {
                    mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`.
                    revert(0x1c, 0x04)
                }
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(_OWNER_SLOT, newOwner)
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        }
    }

    /// @dev Sets the owner directly without authorization guard.
    function _setOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, newOwner)
            }
        }
    }

    /// @dev Throws if the sender is not the owner.
    function _checkOwner() internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // If the caller is not the stored owner, revert.
            if iszero(eq(caller(), sload(_OWNER_SLOT))) {
                mstore(0x00, 0x82b42900) // `Unauthorized()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Returns how long a two-step ownership handover is valid for in seconds.
    /// Override to return a different value if needed.
    /// Made internal to conserve bytecode. Wrap it in a public function if needed.
    function _ownershipHandoverValidFor() internal view virtual returns (uint64) {
        return 48 * 3600;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  PUBLIC UPDATE FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Allows the owner to transfer the ownership to `newOwner`.
    function transferOwnership(address newOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(shl(96, newOwner)) {
                mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.
                revert(0x1c, 0x04)
            }
        }
        _setOwner(newOwner);
    }

    /// @dev Allows the owner to renounce their ownership.
    function renounceOwnership() public payable virtual onlyOwner {
        _setOwner(address(0));
    }

    /// @dev Request a two-step ownership handover to the caller.
    /// The request will automatically expire in 48 hours (172800 seconds) by default.
    function requestOwnershipHandover() public payable virtual {
        unchecked {
            uint256 expires = block.timestamp + _ownershipHandoverValidFor();
            /// @solidity memory-safe-assembly
            assembly {
                // Compute and set the handover slot to `expires`.
                mstore(0x0c, _HANDOVER_SLOT_SEED)
                mstore(0x00, caller())
                sstore(keccak256(0x0c, 0x20), expires)
                // Emit the {OwnershipHandoverRequested} event.
                log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
            }
        }
    }

    /// @dev Cancels the two-step ownership handover to the caller, if any.
    function cancelOwnershipHandover() public payable virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, caller())
            sstore(keccak256(0x0c, 0x20), 0)
            // Emit the {OwnershipHandoverCanceled} event.
            log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
        }
    }

    /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
    /// Reverts if there is no existing ownership handover requested by `pendingOwner`.
    function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            let handoverSlot := keccak256(0x0c, 0x20)
            // If the handover does not exist, or has expired.
            if gt(timestamp(), sload(handoverSlot)) {
                mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.
                revert(0x1c, 0x04)
            }
            // Set the handover slot to 0.
            sstore(handoverSlot, 0)
        }
        _setOwner(pendingOwner);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   PUBLIC READ FUNCTIONS                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the owner of the contract.
    function owner() public view virtual returns (address result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := sload(_OWNER_SLOT)
        }
    }

    /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
    function ownershipHandoverExpiresAt(address pendingOwner)
        public
        view
        virtual
        returns (uint256 result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the handover slot.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            // Load the handover slot.
            result := sload(keccak256(0x0c, 0x20))
        }
    }

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

    /// @dev Marks a function as only callable by the owner.
    modifier onlyOwner() virtual {
        _checkOwner();
        _;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

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

/**
 * @title  ERC20 hToken Branch Contract
 * @author MaiaDAO.
 * @notice ERC20 hToken contract deployed with the Ulysses Omnichain Liquidity System.
 *         ERC20 representation of a token deposited in a  Branch Chain's Port.
 * @dev    If this is a root hToken, this asset is minted / burned in reflection of it's origin Branch Port balance.
 *         Should not be burned being stored in Root Port instead if Branch hToken mint is requested.
 */
interface IERC20hToken {
    /*///////////////////////////////////////////////////////////////
                                ERC20 LOGIC
    ///////////////////////////////////////////////////////////////*/

    /**
     * @notice Function to mint tokens.
     * @param account Address of the account to receive the tokens.
     * @param amount Amount of tokens to be minted.
     */
    function mint(address account, uint256 amount) external;

    /**
     * @notice Function to burn tokens.
     * @param account Address of the account to burn the tokens from.
     * @param amount Amount of tokens to be burned.
     */
    function burn(address account, uint256 amount) external;

    /*///////////////////////////////////////////////////////////////
                                  ERRORS
    ///////////////////////////////////////////////////////////////*/

    /// @notice Error thrown when the Port Address is the zero address.
    error InvalidPortAddress();
}

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

import {ERC20hToken} from "../token/ERC20hToken.sol";

/**
 * @title  ERC20hTokenBranchFactory Contract
 * @author MaiaDAO
 * @notice Factory contract allowing for permissionless deployment of new Branch hTokens in Branch
 *  	   Chains of Ulysses Omnichain Liquidity Protocol.
 * @dev    This contract is called by the chain's Core Branch Router.
 */
interface IERC20hTokenBranchFactory {
    /*///////////////////////////////////////////////////////////////
                            hTOKEN FUNCTIONS
    ///////////////////////////////////////////////////////////////*/
    /**
     * @notice Function to create a new Branch hToken.
     * @param _name Name of the Token.
     * @param _symbol Symbol of the Token.
     * @param _decimals Decimals of the Token.
     */
    function createToken(string memory _name, string memory _symbol, uint8 _decimals)
        external
        returns (ERC20hToken newToken);

    /*///////////////////////////////////////////////////////////////
                                ERRORS
    ///////////////////////////////////////////////////////////////*/

    /// @notice Error emitted when caller is not the Core Branch Router.
    error UnrecognizedCoreRouter();

    /// @notice Error emitted when the Port Address is the zero address.
    error UnrecognizedPort();
}

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

import {Ownable} from "lib/solady/src/auth/Ownable.sol";

import {ERC20} from "lib/solmate/src/tokens/ERC20.sol";

import {IERC20hToken} from "../interfaces/IERC20hToken.sol";

/// @title ERC20 hToken Contract
/// @author MaiaDAO
contract ERC20hToken is ERC20, Ownable, IERC20hToken {
    /**
     * @notice Constructor for the ERC20hToken branch or root Contract.
     *   @param _localPortAddress Address of the local Branch or Root Port Contract.
     *   @param _name Name of the Token.
     *   @param _symbol Symbol of the Token.
     *   @param _decimals Decimals of the Token.
     */
    constructor(address _localPortAddress, string memory _name, string memory _symbol, uint8 _decimals)
        ERC20(_name, _symbol, _decimals)
    {
        if (_localPortAddress == address(0)) revert InvalidPortAddress();
        _initializeOwner(_localPortAddress);
    }

    /*///////////////////////////////////////////////////////////////
                        ERC20 LOGIC
    ///////////////////////////////////////////////////////////////*/

    /// @inheritdoc IERC20hToken
    function mint(address account, uint256 amount) external override onlyOwner {
        _mint(account, amount);
    }

    /// @inheritdoc IERC20hToken
    function burn(address account, uint256 amount) public override onlyOwner {
        _burn(account, amount);
    }
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_localPortAddress","type":"address"},{"internalType":"string","name":"_chainName","type":"string"},{"internalType":"string","name":"_chainSymbol","type":"string"},{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"inputs":[],"name":"UnrecognizedCoreRouter","type":"error"},{"inputs":[],"name":"UnrecognizedPort","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"DELEGATEE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DELEGATION_REGISTRY","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"chainName","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"chainSymbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"createToken","outputs":[{"internalType":"contract ERC20hToken","name":"newToken","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getHTokens","outputs":[{"internalType":"contract ERC20hToken[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"hTokens","outputs":[{"internalType":"contract ERC20hToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_wrappedNativeTokenAddress","type":"address"},{"internalType":"address","name":"_coreRouter","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"localCoreRouterAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"localPortAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"result","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"ownershipHandoverExpiresAt","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"requestOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"payable","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _localPortAddress (address): 0x6BeEF9B5a6E4Dd9D74122d62f5ef52eE48281819
Arg [1] : _chainName (string): Fraxtal
Arg [2] : _chainSymbol (string): FRAX
Arg [3] : _owner (address): 0x9f1A52dB8b0465cf189206B3A36303cd415A199a

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000006beef9b5a6e4dd9d74122d62f5ef52ee48281819
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [3] : 0000000000000000000000009f1a52db8b0465cf189206b3a36303cd415a199a
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [5] : 4672617874616c00000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [7] : 4652415800000000000000000000000000000000000000000000000000000000