// File: contracts/abstract/Admin.sol



// SPDX-License-Identifier: UNLICENSED
/*

                         ┌───────────┐
                         │ HOLOGRAPH │
                         └───────────┘
╔═════════════════════════════════════════════════════════════╗
║                                                             ║
║                            / ^ \                            ║
║                            ~~*~~            ¸               ║
║                         [ '<>:<>' ]         │░░░            ║
║               ╔╗           _/"\_           ╔╣               ║
║             ┌─╬╬─┐          """          ┌─╬╬─┐             ║
║          ┌─┬┘ ╠╣ └┬─┐       \_/       ┌─┬┘ ╠╣ └┬─┐          ║
║       ┌─┬┘ │  ╠╣  │ └┬─┐           ┌─┬┘ │  ╠╣  │ └┬─┐       ║
║    ┌─┬┘ │  │  ╠╣  │  │ └┬─┐     ┌─┬┘ │  │  ╠╣  │  │ └┬─┐    ║
║ ┌─┬┘ │  │  │  ╠╣  │  │  │ └┬┐ ┌┬┘ │  │  │  ╠╣  │  │  │ └┬─┐ ║
╠┬┘ │  │  │  │  ╠╣  │  │  │  │└¤┘│  │  │  │  ╠╣  │  │  │  │ └┬╣
║│  │  │  │  │  ╠╣  │  │  │  │   │  │  │  │  ╠╣  │  │  │  │  │║
╠╩══╩══╩══╩══╩══╬╬══╩══╩══╩══╩═══╩══╩══╩══╩══╬╬══╩══╩══╩══╩══╩╣
╠┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╣
║               ╠╣                           ╠╣               ║
║               ╠╣                           ╠╣               ║
║    ,          ╠╣     ,        ,'      *    ╠╣               ║
║~~~~~^~~~~~~~~┌╬╬┐~~~^~~~~~~~~^^~~~~~~~~^~~┌╬╬┐~~~~~~~^~~~~~~║
╚══════════════╩╩╩╩═════════════════════════╩╩╩╩══════════════╝
     - one protocol, one bridge = infinite possibilities -


 ***************************************************************

 DISCLAIMER: U.S Patent Pending

 LICENSE: Holograph Limited Public License (H-LPL)

 https://holograph.xyz/licenses/h-lpl/1.0.0

 This license governs use of the accompanying software. If you
 use the software, you accept this license. If you do not accept
 the license, you are not permitted to use the software.

 1. Definitions

 The terms "reproduce," "reproduction," "derivative works," and
 "distribution" have the same meaning here as under U.S.
 copyright law. A "contribution" is the original software, or
 any additions or changes to the software. A "contributor" is
 any person that distributes its contribution under this
 license. "Licensed patents" are a contributor’s patent claims
 that read directly on its contribution.

 2. Grant of Rights

 A) Copyright Grant- Subject to the terms of this license,
 including the license conditions and limitations in sections 3
 and 4, each contributor grants you a non-exclusive, worldwide,
 royalty-free copyright license to reproduce its contribution,
 prepare derivative works of its contribution, and distribute
 its contribution or any derivative works that you create.
 B) Patent Grant- Subject to the terms of this license,
 including the license conditions and limitations in section 3,
 each contributor grants you a non-exclusive, worldwide,
 royalty-free license under its licensed patents to make, have
 made, use, sell, offer for sale, import, and/or otherwise
 dispose of its contribution in the software or derivative works
 of the contribution in the software.

 3. Conditions and Limitations

 A) No Trademark License- This license does not grant you rights
 to use any contributors’ name, logo, or trademarks.
 B) If you bring a patent claim against any contributor over
 patents that you claim are infringed by the software, your
 patent license from such contributor is terminated with
 immediate effect.
 C) If you distribute any portion of the software, you must
 retain all copyright, patent, trademark, and attribution
 notices that are present in the software.
 D) If you distribute any portion of the software in source code
 form, you may do so only under this license by including a
 complete copy of this license with your distribution. If you
 distribute any portion of the software in compiled or object
 code form, you may only do so under a license that complies
 with this license.
 E) The software is licensed “as-is.” You bear all risks of
 using it. The contributors give no express warranties,
 guarantees, or conditions. You may have additional consumer
 rights under your local laws which this license cannot change.
 To the extent permitted under your local laws, the contributors
 exclude all implied warranties, including those of
 merchantability, fitness for a particular purpose and
 non-infringement.

 4. (F) Platform Limitation- The licenses granted in sections
 2.A & 2.B extend only to the software or derivative works that
 you create that run on a Holograph system product.

 ***************************************************************

*/

pragma solidity 0.8.13;

abstract contract Admin {
  /**
   * @dev bytes32(uint256(keccak256('eip1967.Holograph.admin')) - 1)
   */
  bytes32 constant _adminSlot = 0x3f106594dc74eeef980dae234cde8324dc2497b13d27a0c59e55bd2ca10a07c9;

  modifier onlyAdmin() {
    require(msg.sender == getAdmin(), "HOLOGRAPH: admin only function");
    _;
  }

  constructor() {}

  function admin() public view returns (address) {
    return getAdmin();
  }

  function getAdmin() public view returns (address adminAddress) {
    assembly {
      adminAddress := sload(_adminSlot)
    }
  }

  function setAdmin(address adminAddress) public onlyAdmin {
    assembly {
      sstore(_adminSlot, adminAddress)
    }
  }

  function adminCall(address target, bytes calldata data) external payable onlyAdmin {
    assembly {
      calldatacopy(0, data.offset, data.length)
      let result := call(gas(), target, callvalue(), 0, data.length, 0, 0)
      returndatacopy(0, 0, returndatasize())
      switch result
      case 0 {
        revert(0, returndatasize())
      }
      default {
        return(0, returndatasize())
      }
    }
  }
}

// File: contracts/abstract/Initializable.sol



// SPDX-License-Identifier: UNLICENSED
/*

                         ┌───────────┐
                         │ HOLOGRAPH │
                         └───────────┘
╔═════════════════════════════════════════════════════════════╗
║                                                             ║
║                            / ^ \                            ║
║                            ~~*~~            ¸               ║
║                         [ '<>:<>' ]         │░░░            ║
║               ╔╗           _/"\_           ╔╣               ║
║             ┌─╬╬─┐          """          ┌─╬╬─┐             ║
║          ┌─┬┘ ╠╣ └┬─┐       \_/       ┌─┬┘ ╠╣ └┬─┐          ║
║       ┌─┬┘ │  ╠╣  │ └┬─┐           ┌─┬┘ │  ╠╣  │ └┬─┐       ║
║    ┌─┬┘ │  │  ╠╣  │  │ └┬─┐     ┌─┬┘ │  │  ╠╣  │  │ └┬─┐    ║
║ ┌─┬┘ │  │  │  ╠╣  │  │  │ └┬┐ ┌┬┘ │  │  │  ╠╣  │  │  │ └┬─┐ ║
╠┬┘ │  │  │  │  ╠╣  │  │  │  │└¤┘│  │  │  │  ╠╣  │  │  │  │ └┬╣
║│  │  │  │  │  ╠╣  │  │  │  │   │  │  │  │  ╠╣  │  │  │  │  │║
╠╩══╩══╩══╩══╩══╬╬══╩══╩══╩══╩═══╩══╩══╩══╩══╬╬══╩══╩══╩══╩══╩╣
╠┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╣
║               ╠╣                           ╠╣               ║
║               ╠╣                           ╠╣               ║
║    ,          ╠╣     ,        ,'      *    ╠╣               ║
║~~~~~^~~~~~~~~┌╬╬┐~~~^~~~~~~~~^^~~~~~~~~^~~┌╬╬┐~~~~~~~^~~~~~~║
╚══════════════╩╩╩╩═════════════════════════╩╩╩╩══════════════╝
     - one protocol, one bridge = infinite possibilities -


 ***************************************************************

 DISCLAIMER: U.S Patent Pending

 LICENSE: Holograph Limited Public License (H-LPL)

 https://holograph.xyz/licenses/h-lpl/1.0.0

 This license governs use of the accompanying software. If you
 use the software, you accept this license. If you do not accept
 the license, you are not permitted to use the software.

 1. Definitions

 The terms "reproduce," "reproduction," "derivative works," and
 "distribution" have the same meaning here as under U.S.
 copyright law. A "contribution" is the original software, or
 any additions or changes to the software. A "contributor" is
 any person that distributes its contribution under this
 license. "Licensed patents" are a contributor’s patent claims
 that read directly on its contribution.

 2. Grant of Rights

 A) Copyright Grant- Subject to the terms of this license,
 including the license conditions and limitations in sections 3
 and 4, each contributor grants you a non-exclusive, worldwide,
 royalty-free copyright license to reproduce its contribution,
 prepare derivative works of its contribution, and distribute
 its contribution or any derivative works that you create.
 B) Patent Grant- Subject to the terms of this license,
 including the license conditions and limitations in section 3,
 each contributor grants you a non-exclusive, worldwide,
 royalty-free license under its licensed patents to make, have
 made, use, sell, offer for sale, import, and/or otherwise
 dispose of its contribution in the software or derivative works
 of the contribution in the software.

 3. Conditions and Limitations

 A) No Trademark License- This license does not grant you rights
 to use any contributors’ name, logo, or trademarks.
 B) If you bring a patent claim against any contributor over
 patents that you claim are infringed by the software, your
 patent license from such contributor is terminated with
 immediate effect.
 C) If you distribute any portion of the software, you must
 retain all copyright, patent, trademark, and attribution
 notices that are present in the software.
 D) If you distribute any portion of the software in source code
 form, you may do so only under this license by including a
 complete copy of this license with your distribution. If you
 distribute any portion of the software in compiled or object
 code form, you may only do so under a license that complies
 with this license.
 E) The software is licensed “as-is.” You bear all risks of
 using it. The contributors give no express warranties,
 guarantees, or conditions. You may have additional consumer
 rights under your local laws which this license cannot change.
 To the extent permitted under your local laws, the contributors
 exclude all implied warranties, including those of
 merchantability, fitness for a particular purpose and
 non-infringement.

 4. (F) Platform Limitation- The licenses granted in sections
 2.A & 2.B extend only to the software or derivative works that
 you create that run on a Holograph system product.

 ***************************************************************

*/

pragma solidity 0.8.13;

import "../interface/InitializableInterface.sol";

/**
 * @title Initializable
 * @author https://github.com/holographxyz
 * @notice Use init instead of constructor
 * @dev This allows for use of init function to make one time initializations without the need for a constructor
 */
abstract contract Initializable is InitializableInterface {
  /**
   * @dev bytes32(uint256(keccak256('eip1967.Holograph.initialized')) - 1)
   */
  bytes32 constant _initializedSlot = 0x4e5f991bca30eca2d4643aaefa807e88f96a4a97398933d572a3c0d973004a01;

  /**
   * @dev Constructor is left empty and init is used instead
   */
  constructor() {}

  /**
   * @notice Used internally to initialize the contract instead of through a constructor
   * @dev This function is called by the deployer/factory when creating a contract
   * @param initPayload abi encoded payload to use for contract initilaization
   */
  function init(bytes memory initPayload) external virtual returns (bytes4);

  function _isInitialized() internal view returns (bool initialized) {
    assembly {
      initialized := sload(_initializedSlot)
    }
  }

  function _setInitialized() internal {
    assembly {
      sstore(_initializedSlot, 0x0000000000000000000000000000000000000000000000000000000000000001)
    }
  }
}

// File: contracts/interface/HolographRegistryInterface.sol



// SPDX-License-Identifier: UNLICENSED
/*

                         ┌───────────┐
                         │ HOLOGRAPH │
                         └───────────┘
╔═════════════════════════════════════════════════════════════╗
║                                                             ║
║                            / ^ \                            ║
║                            ~~*~~            ¸               ║
║                         [ '<>:<>' ]         │░░░            ║
║               ╔╗           _/"\_           ╔╣               ║
║             ┌─╬╬─┐          """          ┌─╬╬─┐             ║
║          ┌─┬┘ ╠╣ └┬─┐       \_/       ┌─┬┘ ╠╣ └┬─┐          ║
║       ┌─┬┘ │  ╠╣  │ └┬─┐           ┌─┬┘ │  ╠╣  │ └┬─┐       ║
║    ┌─┬┘ │  │  ╠╣  │  │ └┬─┐     ┌─┬┘ │  │  ╠╣  │  │ └┬─┐    ║
║ ┌─┬┘ │  │  │  ╠╣  │  │  │ └┬┐ ┌┬┘ │  │  │  ╠╣  │  │  │ └┬─┐ ║
╠┬┘ │  │  │  │  ╠╣  │  │  │  │└¤┘│  │  │  │  ╠╣  │  │  │  │ └┬╣
║│  │  │  │  │  ╠╣  │  │  │  │   │  │  │  │  ╠╣  │  │  │  │  │║
╠╩══╩══╩══╩══╩══╬╬══╩══╩══╩══╩═══╩══╩══╩══╩══╬╬══╩══╩══╩══╩══╩╣
╠┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╣
║               ╠╣                           ╠╣               ║
║               ╠╣                           ╠╣               ║
║    ,          ╠╣     ,        ,'      *    ╠╣               ║
║~~~~~^~~~~~~~~┌╬╬┐~~~^~~~~~~~~^^~~~~~~~~^~~┌╬╬┐~~~~~~~^~~~~~~║
╚══════════════╩╩╩╩═════════════════════════╩╩╩╩══════════════╝
     - one protocol, one bridge = infinite possibilities -


 ***************************************************************

 DISCLAIMER: U.S Patent Pending

 LICENSE: Holograph Limited Public License (H-LPL)

 https://holograph.xyz/licenses/h-lpl/1.0.0

 This license governs use of the accompanying software. If you
 use the software, you accept this license. If you do not accept
 the license, you are not permitted to use the software.

 1. Definitions

 The terms "reproduce," "reproduction," "derivative works," and
 "distribution" have the same meaning here as under U.S.
 copyright law. A "contribution" is the original software, or
 any additions or changes to the software. A "contributor" is
 any person that distributes its contribution under this
 license. "Licensed patents" are a contributor’s patent claims
 that read directly on its contribution.

 2. Grant of Rights

 A) Copyright Grant- Subject to the terms of this license,
 including the license conditions and limitations in sections 3
 and 4, each contributor grants you a non-exclusive, worldwide,
 royalty-free copyright license to reproduce its contribution,
 prepare derivative works of its contribution, and distribute
 its contribution or any derivative works that you create.
 B) Patent Grant- Subject to the terms of this license,
 including the license conditions and limitations in section 3,
 each contributor grants you a non-exclusive, worldwide,
 royalty-free license under its licensed patents to make, have
 made, use, sell, offer for sale, import, and/or otherwise
 dispose of its contribution in the software or derivative works
 of the contribution in the software.

 3. Conditions and Limitations

 A) No Trademark License- This license does not grant you rights
 to use any contributors’ name, logo, or trademarks.
 B) If you bring a patent claim against any contributor over
 patents that you claim are infringed by the software, your
 patent license from such contributor is terminated with
 immediate effect.
 C) If you distribute any portion of the software, you must
 retain all copyright, patent, trademark, and attribution
 notices that are present in the software.
 D) If you distribute any portion of the software in source code
 form, you may do so only under this license by including a
 complete copy of this license with your distribution. If you
 distribute any portion of the software in compiled or object
 code form, you may only do so under a license that complies
 with this license.
 E) The software is licensed “as-is.” You bear all risks of
 using it. The contributors give no express warranties,
 guarantees, or conditions. You may have additional consumer
 rights under your local laws which this license cannot change.
 To the extent permitted under your local laws, the contributors
 exclude all implied warranties, including those of
 merchantability, fitness for a particular purpose and
 non-infringement.

 4. (F) Platform Limitation- The licenses granted in sections
 2.A & 2.B extend only to the software or derivative works that
 you create that run on a Holograph system product.

 ***************************************************************

*/

pragma solidity 0.8.13;

interface HolographRegistryInterface {
  event HolographableContractEvent(address indexed _holographableContract, bytes _payload);

  function isHolographedContract(address smartContract) external view returns (bool);

  function isHolographedHashDeployed(bytes32 hash) external view returns (bool);

  function referenceContractTypeAddress(address contractAddress) external returns (bytes32);

  function getContractTypeAddress(bytes32 contractType) external view returns (address);

  function setContractTypeAddress(bytes32 contractType, address contractAddress) external;

  function getHolograph() external view returns (address holograph);

  function setHolograph(address holograph) external;

  function getHolographableContracts(uint256 index, uint256 length) external view returns (address[] memory contracts);

  function getHolographableContractsLength() external view returns (uint256);

  function getHolographedHashAddress(bytes32 hash) external view returns (address);

  function setHolographedHashAddress(bytes32 hash, address contractAddress) external;

  function getHToken(uint32 chainId) external view returns (address);

  function setHToken(uint32 chainId, address hToken) external;

  function getReservedContractTypeAddress(bytes32 contractType) external view returns (address contractTypeAddress);

  function setReservedContractTypeAddress(bytes32 hash, bool reserved) external;

  function setReservedContractTypeAddresses(bytes32[] calldata hashes, bool[] calldata reserved) external;

  function getUtilityToken() external view returns (address utilityToken);

  function setUtilityToken(address utilityToken) external;

  function holographableEvent(bytes calldata payload) external;
}

// File: contracts/interface/InitializableInterface.sol



// SPDX-License-Identifier: UNLICENSED
/*

                         ┌───────────┐
                         │ HOLOGRAPH │
                         └───────────┘
╔═════════════════════════════════════════════════════════════╗
║                                                             ║
║                            / ^ \                            ║
║                            ~~*~~            ¸               ║
║                         [ '<>:<>' ]         │░░░            ║
║               ╔╗           _/"\_           ╔╣               ║
║             ┌─╬╬─┐          """          ┌─╬╬─┐             ║
║          ┌─┬┘ ╠╣ └┬─┐       \_/       ┌─┬┘ ╠╣ └┬─┐          ║
║       ┌─┬┘ │  ╠╣  │ └┬─┐           ┌─┬┘ │  ╠╣  │ └┬─┐       ║
║    ┌─┬┘ │  │  ╠╣  │  │ └┬─┐     ┌─┬┘ │  │  ╠╣  │  │ └┬─┐    ║
║ ┌─┬┘ │  │  │  ╠╣  │  │  │ └┬┐ ┌┬┘ │  │  │  ╠╣  │  │  │ └┬─┐ ║
╠┬┘ │  │  │  │  ╠╣  │  │  │  │└¤┘│  │  │  │  ╠╣  │  │  │  │ └┬╣
║│  │  │  │  │  ╠╣  │  │  │  │   │  │  │  │  ╠╣  │  │  │  │  │║
╠╩══╩══╩══╩══╩══╬╬══╩══╩══╩══╩═══╩══╩══╩══╩══╬╬══╩══╩══╩══╩══╩╣
╠┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╣
║               ╠╣                           ╠╣               ║
║               ╠╣                           ╠╣               ║
║    ,          ╠╣     ,        ,'      *    ╠╣               ║
║~~~~~^~~~~~~~~┌╬╬┐~~~^~~~~~~~~^^~~~~~~~~^~~┌╬╬┐~~~~~~~^~~~~~~║
╚══════════════╩╩╩╩═════════════════════════╩╩╩╩══════════════╝
     - one protocol, one bridge = infinite possibilities -


 ***************************************************************

 DISCLAIMER: U.S Patent Pending

 LICENSE: Holograph Limited Public License (H-LPL)

 https://holograph.xyz/licenses/h-lpl/1.0.0

 This license governs use of the accompanying software. If you
 use the software, you accept this license. If you do not accept
 the license, you are not permitted to use the software.

 1. Definitions

 The terms "reproduce," "reproduction," "derivative works," and
 "distribution" have the same meaning here as under U.S.
 copyright law. A "contribution" is the original software, or
 any additions or changes to the software. A "contributor" is
 any person that distributes its contribution under this
 license. "Licensed patents" are a contributor’s patent claims
 that read directly on its contribution.

 2. Grant of Rights

 A) Copyright Grant- Subject to the terms of this license,
 including the license conditions and limitations in sections 3
 and 4, each contributor grants you a non-exclusive, worldwide,
 royalty-free copyright license to reproduce its contribution,
 prepare derivative works of its contribution, and distribute
 its contribution or any derivative works that you create.
 B) Patent Grant- Subject to the terms of this license,
 including the license conditions and limitations in section 3,
 each contributor grants you a non-exclusive, worldwide,
 royalty-free license under its licensed patents to make, have
 made, use, sell, offer for sale, import, and/or otherwise
 dispose of its contribution in the software or derivative works
 of the contribution in the software.

 3. Conditions and Limitations

 A) No Trademark License- This license does not grant you rights
 to use any contributors’ name, logo, or trademarks.
 B) If you bring a patent claim against any contributor over
 patents that you claim are infringed by the software, your
 patent license from such contributor is terminated with
 immediate effect.
 C) If you distribute any portion of the software, you must
 retain all copyright, patent, trademark, and attribution
 notices that are present in the software.
 D) If you distribute any portion of the software in source code
 form, you may do so only under this license by including a
 complete copy of this license with your distribution. If you
 distribute any portion of the software in compiled or object
 code form, you may only do so under a license that complies
 with this license.
 E) The software is licensed “as-is.” You bear all risks of
 using it. The contributors give no express warranties,
 guarantees, or conditions. You may have additional consumer
 rights under your local laws which this license cannot change.
 To the extent permitted under your local laws, the contributors
 exclude all implied warranties, including those of
 merchantability, fitness for a particular purpose and
 non-infringement.

 4. (F) Platform Limitation- The licenses granted in sections
 2.A & 2.B extend only to the software or derivative works that
 you create that run on a Holograph system product.

 ***************************************************************

*/

pragma solidity 0.8.13;

/**
 * @title Initializable
 * @author https://github.com/holographxyz
 * @notice Use init instead of constructor
 * @dev This allows for use of init function to make one time initializations without the need of a constructor
 */
interface InitializableInterface {
  /**
   * @notice Used internally to initialize the contract instead of through a constructor
   * @dev This function is called by the deployer/factory when creating a contract
   * @param initPayload abi encoded payload to use for contract initilaization
   */
  function init(bytes memory initPayload) external returns (bytes4);
}

// File: contracts/proxy/hTokenProxy.sol



// SPDX-License-Identifier: UNLICENSED
/*

                         ┌───────────┐
                         │ HOLOGRAPH │
                         └───────────┘
╔═════════════════════════════════════════════════════════════╗
║                                                             ║
║                            / ^ \                            ║
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║             ┌─╬╬─┐          """          ┌─╬╬─┐             ║
║          ┌─┬┘ ╠╣ └┬─┐       \_/       ┌─┬┘ ╠╣ └┬─┐          ║
║       ┌─┬┘ │  ╠╣  │ └┬─┐           ┌─┬┘ │  ╠╣  │ └┬─┐       ║
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╠┬┘ │  │  │  │  ╠╣  │  │  │  │└¤┘│  │  │  │  ╠╣  │  │  │  │ └┬╣
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╠╩══╩══╩══╩══╩══╬╬══╩══╩══╩══╩═══╩══╩══╩══╩══╬╬══╩══╩══╩══╩══╩╣
╠┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╬╬┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴╣
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║    ,          ╠╣     ,        ,'      *    ╠╣               ║
║~~~~~^~~~~~~~~┌╬╬┐~~~^~~~~~~~~^^~~~~~~~~^~~┌╬╬┐~~~~~~~^~~~~~~║
╚══════════════╩╩╩╩═════════════════════════╩╩╩╩══════════════╝
     - one protocol, one bridge = infinite possibilities -


 ***************************************************************

 DISCLAIMER: U.S Patent Pending

 LICENSE: Holograph Limited Public License (H-LPL)

 https://holograph.xyz/licenses/h-lpl/1.0.0

 This license governs use of the accompanying software. If you
 use the software, you accept this license. If you do not accept
 the license, you are not permitted to use the software.

 1. Definitions

 The terms "reproduce," "reproduction," "derivative works," and
 "distribution" have the same meaning here as under U.S.
 copyright law. A "contribution" is the original software, or
 any additions or changes to the software. A "contributor" is
 any person that distributes its contribution under this
 license. "Licensed patents" are a contributor’s patent claims
 that read directly on its contribution.

 2. Grant of Rights

 A) Copyright Grant- Subject to the terms of this license,
 including the license conditions and limitations in sections 3
 and 4, each contributor grants you a non-exclusive, worldwide,
 royalty-free copyright license to reproduce its contribution,
 prepare derivative works of its contribution, and distribute
 its contribution or any derivative works that you create.
 B) Patent Grant- Subject to the terms of this license,
 including the license conditions and limitations in section 3,
 each contributor grants you a non-exclusive, worldwide,
 royalty-free license under its licensed patents to make, have
 made, use, sell, offer for sale, import, and/or otherwise
 dispose of its contribution in the software or derivative works
 of the contribution in the software.

 3. Conditions and Limitations

 A) No Trademark License- This license does not grant you rights
 to use any contributors’ name, logo, or trademarks.
 B) If you bring a patent claim against any contributor over
 patents that you claim are infringed by the software, your
 patent license from such contributor is terminated with
 immediate effect.
 C) If you distribute any portion of the software, you must
 retain all copyright, patent, trademark, and attribution
 notices that are present in the software.
 D) If you distribute any portion of the software in source code
 form, you may do so only under this license by including a
 complete copy of this license with your distribution. If you
 distribute any portion of the software in compiled or object
 code form, you may only do so under a license that complies
 with this license.
 E) The software is licensed “as-is.” You bear all risks of
 using it. The contributors give no express warranties,
 guarantees, or conditions. You may have additional consumer
 rights under your local laws which this license cannot change.
 To the extent permitted under your local laws, the contributors
 exclude all implied warranties, including those of
 merchantability, fitness for a particular purpose and
 non-infringement.

 4. (F) Platform Limitation- The licenses granted in sections
 2.A & 2.B extend only to the software or derivative works that
 you create that run on a Holograph system product.

 ***************************************************************

*/

pragma solidity 0.8.13;

import "../abstract/Admin.sol";
import "../abstract/Initializable.sol";

import "../interface/HolographRegistryInterface.sol";

contract hTokenProxy is Admin, Initializable {
  /**
   * @dev bytes32(uint256(keccak256('eip1967.Holograph.contractType')) - 1)
   */
  bytes32 constant _contractTypeSlot = 0x0b671eb65810897366dd82c4cbb7d9dff8beda8484194956e81e89b8a361d9c7;
  /**
   * @dev bytes32(uint256(keccak256('eip1967.Holograph.registry')) - 1)
   */
  bytes32 constant _registrySlot = 0xce8e75d5c5227ce29a4ee170160bb296e5dea6934b80a9bd723f7ef1e7c850e7;

  constructor() {}

  function init(bytes memory data) external override returns (bytes4) {
    require(!_isInitialized(), "HOLOGRAPH: already initialized");
    (bytes32 contractType, address registry, bytes memory initCode) = abi.decode(data, (bytes32, address, bytes));
    assembly {
      sstore(_contractTypeSlot, contractType)
      sstore(_registrySlot, registry)
    }
    (bool success, bytes memory returnData) = getHTokenSource().delegatecall(
      abi.encodeWithSignature("init(bytes)", initCode)
    );
    bytes4 selector = abi.decode(returnData, (bytes4));
    require(success && selector == Initializable.init.selector, "initialization failed");

    _setInitialized();
    return Initializable.init.selector;
  }

  function getHTokenSource() public view returns (address) {
    HolographRegistryInterface registry;
    bytes32 contractType;
    assembly {
      registry := sload(_registrySlot)
      contractType := sload(_contractTypeSlot)
    }
    return registry.getContractTypeAddress(contractType);
  }

  receive() external payable {}

  fallback() external payable {
    address hTokenSource = getHTokenSource();
    assembly {
      calldatacopy(0, 0, calldatasize())
      let result := delegatecall(gas(), hTokenSource, 0, calldatasize(), 0, 0)
      returndatacopy(0, 0, returndatasize())
      switch result
      case 0 {
        revert(0, returndatasize())
      }
      default {
        return(0, returndatasize())
      }
    }
  }
}